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ConcurrentStack<T> Class

.NET Framework 4.6 and 4.5

Represents a thread-safe last in-first out (LIFO) collection.

System.Object
  System.Collections.Concurrent.ConcurrentStack<T>

Namespace:  System.Collections.Concurrent
Assemblies:   System.Collections.Concurrent (in System.Collections.Concurrent.dll)
  mscorlib (in mscorlib.dll)

public class ConcurrentStack<T> : IProducerConsumerCollection<T>, 
	IEnumerable<T>, IEnumerable, ICollection, IReadOnlyCollection<T>

Type Parameters

T

The type of the elements contained in the stack.

The ConcurrentStack<T> type exposes the following members.

  NameDescription
Public methodSupported by Portable Class LibraryConcurrentStack<T>()Initializes a new instance of the ConcurrentStack<T> class.
Public methodSupported by Portable Class LibraryConcurrentStack<T>(IEnumerable<T>)Initializes a new instance of the ConcurrentStack<T> class that contains elements copied from the specified collection
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  NameDescription
Public propertySupported by Portable Class LibraryCountGets the number of elements contained in the ConcurrentStack<T>.
Public propertySupported by Portable Class LibraryIsEmptyGets a value that indicates whether the ConcurrentStack<T> is empty.
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  NameDescription
Public methodSupported by Portable Class LibraryClearRemoves all objects from the ConcurrentStack<T>.
Public methodSupported by Portable Class LibraryCopyToCopies the ConcurrentStack<T> elements to an existing one-dimensional Array, starting at the specified array index.
Public methodSupported by Portable Class LibraryEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodSupported by Portable Class LibraryFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Portable Class LibraryGetEnumeratorReturns an enumerator that iterates through the ConcurrentStack<T>.
Public methodSupported by Portable Class LibraryGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodSupported by Portable Class LibraryGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodSupported by Portable Class LibraryMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by Portable Class LibraryPushInserts an object at the top of the ConcurrentStack<T>.
Public methodSupported by Portable Class LibraryPushRange(T[])Inserts multiple objects at the top of the ConcurrentStack<T> atomically.
Public methodSupported by Portable Class LibraryPushRange(T[], Int32, Int32)Inserts multiple objects at the top of the ConcurrentStack<T> atomically.
Public methodSupported by Portable Class LibraryToArrayCopies the items stored in the ConcurrentStack<T> to a new array.
Public methodSupported by Portable Class LibraryToStringReturns a string that represents the current object. (Inherited from Object.)
Public methodSupported by Portable Class LibraryTryPeekAttempts to return an object from the top of the ConcurrentStack<T> without removing it.
Public methodSupported by Portable Class LibraryTryPopAttempts to pop and return the object at the top of the ConcurrentStack<T>.
Public methodSupported by Portable Class LibraryTryPopRange(T[])Attempts to pop and return multiple objects from the top of the ConcurrentStack<T> atomically.
Public methodSupported by Portable Class LibraryTryPopRange(T[], Int32, Int32)Attempts to pop and return multiple objects from the top of the ConcurrentStack<T> atomically.
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  NameDescription
Public Extension MethodSupported by Portable Class LibraryAggregate<T>(Func<T, T, T>)Overloaded. Applies an accumulator function over a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAggregate<T>(Func<T, T, T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAggregate<T, TAccumulate>(TAccumulate, Func<TAccumulate, T, TAccumulate>)Overloaded. Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAggregate<T, TAccumulate>(TAccumulate, Func<TAccumulate, T, TAccumulate>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAggregate<T, TAccumulate, TResult>(TAccumulate, Func<TAccumulate, T, TAccumulate>, Func<TAccumulate, TResult>)Overloaded. Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value, and the specified function is used to select the result value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAggregate<T, TAccumulate, TResult>(TAccumulate, Func<TAccumulate, T, TAccumulate>, Func<TAccumulate, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAll<T>(Func<T, Boolean>)Overloaded. Determines whether all elements of a sequence satisfy a condition. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAll<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAny<T>()Overloaded. Determines whether a sequence contains any elements. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAny<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAny<T>(Func<T, Boolean>)Overloaded. Determines whether any element of a sequence satisfies a condition. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAny<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAsEnumerable<T>()Overloaded. Returns the input typed as IEnumerable<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAsEnumerable<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAsParallel()Overloaded. Enables parallelization of a query. (Defined by ParallelEnumerable.)
Public Extension MethodSupported by Portable Class LibraryAsParallel()Overloaded. (Defined by ParallelEnumerable.)
Public Extension MethodSupported by Portable Class LibraryAsParallel<T>()Overloaded. Enables parallelization of a query. (Defined by ParallelEnumerable.)
Public Extension MethodSupported by Portable Class LibraryAsParallel<T>()Overloaded. (Defined by ParallelEnumerable.)
Public Extension MethodSupported by Portable Class LibraryAsQueryable()Overloaded. Converts an IEnumerable to an IQueryable. (Defined by Queryable.)
Public Extension MethodSupported by Portable Class LibraryAsQueryable()Overloaded. (Defined by Queryable.)
Public Extension MethodSupported by Portable Class LibraryAsQueryable<T>()Overloaded. Converts a generic IEnumerable<T> to a generic IQueryable<T>. (Defined by Queryable.)
Public Extension MethodSupported by Portable Class LibraryAsQueryable<T>()Overloaded. (Defined by Queryable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Decimal>)Overloaded. Computes the average of a sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Nullable<Decimal>>)Overloaded. Computes the average of a sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Decimal>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Nullable<Decimal>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Double>)Overloaded. Computes the average of a sequence of Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Nullable<Double>>)Overloaded. Computes the average of a sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Double>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Nullable<Double>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Int32>)Overloaded. Computes the average of a sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Nullable<Int32>>)Overloaded. Computes the average of a sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Int64>)Overloaded. Computes the average of a sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Nullable<Int64>>)Overloaded. Computes the average of a sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Single>)Overloaded. Computes the average of a sequence of Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Nullable<Single>>)Overloaded. Computes the average of a sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Int32>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Int64>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Nullable<Int32>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Nullable<Int64>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Nullable<Single>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryAverage<T>(Func<T, Single>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryCast<TResult>()Overloaded. Casts the elements of an IEnumerable to the specified type. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryCast<TResult>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryConcat<T>(IEnumerable<T>)Overloaded. Concatenates two sequences. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryConcat<T>(IEnumerable<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryContains<T>(T)Overloaded. Determines whether a sequence contains a specified element by using the default equality comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryContains<T>(T)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryContains<T>(T, IEqualityComparer<T>)Overloaded. Determines whether a sequence contains a specified element by using a specified IEqualityComparer<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryContains<T>(T, IEqualityComparer<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryCount<T>()Overloaded. Returns the number of elements in a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryCount<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryCount<T>(Func<T, Boolean>)Overloaded. Returns a number that represents how many elements in the specified sequence satisfy a condition. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryCount<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryDefaultIfEmpty<T>()Overloaded. Returns the elements of the specified sequence or the type parameter's default value in a singleton collection if the sequence is empty. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryDefaultIfEmpty<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryDefaultIfEmpty<T>(T)Overloaded. Returns the elements of the specified sequence or the specified value in a singleton collection if the sequence is empty. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryDefaultIfEmpty<T>(T)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryDistinct<T>()Overloaded. Returns distinct elements from a sequence by using the default equality comparer to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryDistinct<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryDistinct<T>(IEqualityComparer<T>)Overloaded. Returns distinct elements from a sequence by using a specified IEqualityComparer<T> to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryDistinct<T>(IEqualityComparer<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryElementAt<T>(Int32)Overloaded. Returns the element at a specified index in a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryElementAt<T>(Int32)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryElementAtOrDefault<T>(Int32)Overloaded. Returns the element at a specified index in a sequence or a default value if the index is out of range. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryElementAtOrDefault<T>(Int32)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryExcept<T>(IEnumerable<T>)Overloaded. Produces the set difference of two sequences by using the default equality comparer to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryExcept<T>(IEnumerable<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryExcept<T>(IEnumerable<T>, IEqualityComparer<T>)Overloaded. Produces the set difference of two sequences by using the specified IEqualityComparer<T> to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryExcept<T>(IEnumerable<T>, IEqualityComparer<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryFirst<T>()Overloaded. Returns the first element of a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryFirst<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryFirst<T>(Func<T, Boolean>)Overloaded. Returns the first element in a sequence that satisfies a specified condition. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryFirst<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryFirstOrDefault<T>()Overloaded. Returns the first element of a sequence, or a default value if the sequence contains no elements. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryFirstOrDefault<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryFirstOrDefault<T>(Func<T, Boolean>)Overloaded. Returns the first element of the sequence that satisfies a condition or a default value if no such element is found. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryFirstOrDefault<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey>(Func<T, TKey>)Overloaded. Groups the elements of a sequence according to a specified key selector function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey>(Func<T, TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey>(Func<T, TKey>, IEqualityComparer<TKey>)Overloaded. Groups the elements of a sequence according to a specified key selector function and compares the keys by using a specified comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey>(Func<T, TKey>, IEqualityComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>)Overloaded. Groups the elements of a sequence according to a specified key selector function and projects the elements for each group by using a specified function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TResult>(Func<T, TKey>, Func<TKey, IEnumerable<T>, TResult>)Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TResult>(Func<T, TKey>, Func<TKey, IEnumerable<T>, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>, IEqualityComparer<TKey>)Overloaded. Groups the elements of a sequence according to a key selector function. The keys are compared by using a comparer and each group's elements are projected by using a specified function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TResult>(Func<T, TKey>, Func<TKey, IEnumerable<T>, TResult>, IEqualityComparer<TKey>)Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. The keys are compared by using a specified comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>, IEqualityComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TResult>(Func<T, TKey>, Func<TKey, IEnumerable<T>, TResult>, IEqualityComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TElement, TResult>(Func<T, TKey>, Func<T, TElement>, Func<TKey, IEnumerable<TElement>, TResult>)Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. The elements of each group are projected by using a specified function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TElement, TResult>(Func<T, TKey>, Func<T, TElement>, Func<TKey, IEnumerable<TElement>, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TElement, TResult>(Func<T, TKey>, Func<T, TElement>, Func<TKey, IEnumerable<TElement>, TResult>, IEqualityComparer<TKey>)Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. Key values are compared by using a specified comparer, and the elements of each group are projected by using a specified function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupBy<T, TKey, TElement, TResult>(Func<T, TKey>, Func<T, TElement>, Func<TKey, IEnumerable<TElement>, TResult>, IEqualityComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupJoin<T, TInner, TKey, TResult>(IEnumerable<TInner>, Func<T, TKey>, Func<TInner, TKey>, Func<T, IEnumerable<TInner>, TResult>)Overloaded. Correlates the elements of two sequences based on equality of keys and groups the results. The default equality comparer is used to compare keys. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupJoin<T, TInner, TKey, TResult>(IEnumerable<TInner>, Func<T, TKey>, Func<TInner, TKey>, Func<T, IEnumerable<TInner>, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupJoin<T, TInner, TKey, TResult>(IEnumerable<TInner>, Func<T, TKey>, Func<TInner, TKey>, Func<T, IEnumerable<TInner>, TResult>, IEqualityComparer<TKey>)Overloaded. Correlates the elements of two sequences based on key equality and groups the results. A specified IEqualityComparer<T> is used to compare keys. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryGroupJoin<T, TInner, TKey, TResult>(IEnumerable<TInner>, Func<T, TKey>, Func<TInner, TKey>, Func<T, IEnumerable<TInner>, TResult>, IEqualityComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryIntersect<T>(IEnumerable<T>)Overloaded. Produces the set intersection of two sequences by using the default equality comparer to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryIntersect<T>(IEnumerable<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryIntersect<T>(IEnumerable<T>, IEqualityComparer<T>)Overloaded. Produces the set intersection of two sequences by using the specified IEqualityComparer<T> to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryIntersect<T>(IEnumerable<T>, IEqualityComparer<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryJoin<T, TInner, TKey, TResult>(IEnumerable<TInner>, Func<T, TKey>, Func<TInner, TKey>, Func<T, TInner, TResult>)Overloaded. Correlates the elements of two sequences based on matching keys. The default equality comparer is used to compare keys. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryJoin<T, TInner, TKey, TResult>(IEnumerable<TInner>, Func<T, TKey>, Func<TInner, TKey>, Func<T, TInner, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryJoin<T, TInner, TKey, TResult>(IEnumerable<TInner>, Func<T, TKey>, Func<TInner, TKey>, Func<T, TInner, TResult>, IEqualityComparer<TKey>)Overloaded. Correlates the elements of two sequences based on matching keys. A specified IEqualityComparer<T> is used to compare keys. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryJoin<T, TInner, TKey, TResult>(IEnumerable<TInner>, Func<T, TKey>, Func<TInner, TKey>, Func<T, TInner, TResult>, IEqualityComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLast<T>()Overloaded. Returns the last element of a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLast<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLast<T>(Func<T, Boolean>)Overloaded. Returns the last element of a sequence that satisfies a specified condition. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLast<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLastOrDefault<T>()Overloaded. Returns the last element of a sequence, or a default value if the sequence contains no elements. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLastOrDefault<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLastOrDefault<T>(Func<T, Boolean>)Overloaded. Returns the last element of a sequence that satisfies a condition or a default value if no such element is found. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLastOrDefault<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLongCount<T>()Overloaded. Returns an Int64 that represents the total number of elements in a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLongCount<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLongCount<T>(Func<T, Boolean>)Overloaded. Returns an Int64 that represents how many elements in a sequence satisfy a condition. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryLongCount<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>()Overloaded. Returns the maximum value in a generic sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Decimal>)Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Decimal value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Nullable<Decimal>>)Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Decimal value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Decimal>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Nullable<Decimal>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Double>)Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Double value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Nullable<Double>>)Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Double value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Double>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Nullable<Double>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Int32>)Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Int32 value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Nullable<Int32>>)Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Int32 value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Int64>)Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Int64 value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Nullable<Int64>>)Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Int64 value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Single>)Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Single value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Nullable<Single>>)Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Single value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Int32>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Int64>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Nullable<Int32>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Nullable<Int64>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Nullable<Single>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T>(Func<T, Single>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T, TResult>(Func<T, TResult>)Overloaded. Invokes a transform function on each element of a generic sequence and returns the maximum resulting value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMax<T, TResult>(Func<T, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>()Overloaded. Returns the minimum value in a generic sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Decimal>)Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Decimal value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Nullable<Decimal>>)Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Decimal value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Decimal>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Nullable<Decimal>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Double>)Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Double value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Nullable<Double>>)Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Double value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Double>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Nullable<Double>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Int32>)Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Int32 value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Nullable<Int32>>)Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Int32 value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Int64>)Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Int64 value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Nullable<Int64>>)Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Int64 value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Single>)Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Single value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Nullable<Single>>)Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Single value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Int32>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Int64>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Nullable<Int32>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Nullable<Int64>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Nullable<Single>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T>(Func<T, Single>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T, TResult>(Func<T, TResult>)Overloaded. Invokes a transform function on each element of a generic sequence and returns the minimum resulting value. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryMin<T, TResult>(Func<T, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryOfType<TResult>()Overloaded. Filters the elements of an IEnumerable based on a specified type. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryOfType<TResult>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryOrderBy<T, TKey>(Func<T, TKey>)Overloaded. Sorts the elements of a sequence in ascending order according to a key. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryOrderBy<T, TKey>(Func<T, TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryOrderBy<T, TKey>(Func<T, TKey>, IComparer<TKey>)Overloaded. Sorts the elements of a sequence in ascending order by using a specified comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryOrderBy<T, TKey>(Func<T, TKey>, IComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryOrderByDescending<T, TKey>(Func<T, TKey>)Overloaded. Sorts the elements of a sequence in descending order according to a key. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryOrderByDescending<T, TKey>(Func<T, TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryOrderByDescending<T, TKey>(Func<T, TKey>, IComparer<TKey>)Overloaded. Sorts the elements of a sequence in descending order by using a specified comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryOrderByDescending<T, TKey>(Func<T, TKey>, IComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryReverse<T>()Overloaded. Inverts the order of the elements in a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryReverse<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelect<T, TResult>(Func<T, TResult>)Overloaded. Projects each element of a sequence into a new form. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelect<T, TResult>(Func<T, Int32, TResult>)Overloaded. Projects each element of a sequence into a new form by incorporating the element's index. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelect<T, TResult>(Func<T, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelect<T, TResult>(Func<T, Int32, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelectMany<T, TResult>(Func<T, IEnumerable<TResult>>)Overloaded. Projects each element of a sequence to an IEnumerable<T> and flattens the resulting sequences into one sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelectMany<T, TResult>(Func<T, Int32, IEnumerable<TResult>>)Overloaded. Projects each element of a sequence to an IEnumerable<T>, and flattens the resulting sequences into one sequence. The index of each source element is used in the projected form of that element. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelectMany<T, TResult>(Func<T, IEnumerable<TResult>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelectMany<T, TResult>(Func<T, Int32, IEnumerable<TResult>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelectMany<T, TCollection, TResult>(Func<T, Int32, IEnumerable<TCollection>>, Func<T, TCollection, TResult>)Overloaded. Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein. The index of each source element is used in the intermediate projected form of that element. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelectMany<T, TCollection, TResult>(Func<T, IEnumerable<TCollection>>, Func<T, TCollection, TResult>)Overloaded. Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelectMany<T, TCollection, TResult>(Func<T, IEnumerable<TCollection>>, Func<T, TCollection, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySelectMany<T, TCollection, TResult>(Func<T, Int32, IEnumerable<TCollection>>, Func<T, TCollection, TResult>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySequenceEqual<T>(IEnumerable<T>)Overloaded. Determines whether two sequences are equal by comparing the elements by using the default equality comparer for their type. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySequenceEqual<T>(IEnumerable<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySequenceEqual<T>(IEnumerable<T>, IEqualityComparer<T>)Overloaded. Determines whether two sequences are equal by comparing their elements by using a specified IEqualityComparer<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySequenceEqual<T>(IEnumerable<T>, IEqualityComparer<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySingle<T>()Overloaded. Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySingle<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySingle<T>(Func<T, Boolean>)Overloaded. Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySingle<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySingleOrDefault<T>()Overloaded. Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySingleOrDefault<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySingleOrDefault<T>(Func<T, Boolean>)Overloaded. Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySingleOrDefault<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySkip<T>(Int32)Overloaded. Bypasses a specified number of elements in a sequence and then returns the remaining elements. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySkip<T>(Int32)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySkipWhile<T>(Func<T, Boolean>)Overloaded. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySkipWhile<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySkipWhile<T>(Func<T, Int32, Boolean>)Overloaded. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. The element's index is used in the logic of the predicate function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySkipWhile<T>(Func<T, Int32, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Decimal>)Overloaded. Computes the sum of the sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Nullable<Decimal>>)Overloaded. Computes the sum of the sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Decimal>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Nullable<Decimal>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Double>)Overloaded. Computes the sum of the sequence of Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Nullable<Double>>)Overloaded. Computes the sum of the sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Double>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Nullable<Double>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Int32>)Overloaded. Computes the sum of the sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Nullable<Int32>>)Overloaded. Computes the sum of the sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Int64>)Overloaded. Computes the sum of the sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Nullable<Int64>>)Overloaded. Computes the sum of the sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Single>)Overloaded. Computes the sum of the sequence of Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Nullable<Single>>)Overloaded. Computes the sum of the sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Int32>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Int64>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Nullable<Int32>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Nullable<Int64>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Nullable<Single>>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibrarySum<T>(Func<T, Single>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryTake<T>(Int32)Overloaded. Returns a specified number of contiguous elements from the start of a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryTake<T>(Int32)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryTakeWhile<T>(Func<T, Boolean>)Overloaded. Returns elements from a sequence as long as a specified condition is true. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryTakeWhile<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryTakeWhile<T>(Func<T, Int32, Boolean>)Overloaded. Returns elements from a sequence as long as a specified condition is true. The element's index is used in the logic of the predicate function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryTakeWhile<T>(Func<T, Int32, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToArray<T>()Overloaded. Creates an array from a IEnumerable<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToArray<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToDictionary<T, TKey>(Func<T, TKey>)Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to a specified key selector function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToDictionary<T, TKey>(Func<T, TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToDictionary<T, TKey>(Func<T, TKey>, IEqualityComparer<TKey>)Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to a specified key selector function and key comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToDictionary<T, TKey>(Func<T, TKey>, IEqualityComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToDictionary<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>)Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to specified key selector and element selector functions. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToDictionary<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToDictionary<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>, IEqualityComparer<TKey>)Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to a specified key selector function, a comparer, and an element selector function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToDictionary<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>, IEqualityComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToList<T>()Overloaded. Creates a List<T> from an IEnumerable<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToList<T>()Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToLookup<T, TKey>(Func<T, TKey>)Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToLookup<T, TKey>(Func<T, TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToLookup<T, TKey>(Func<T, TKey>, IEqualityComparer<TKey>)Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function and key comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToLookup<T, TKey>(Func<T, TKey>, IEqualityComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToLookup<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>)Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to specified key selector and element selector functions. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToLookup<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToLookup<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>, IEqualityComparer<TKey>)Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function, a comparer and an element selector function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryToLookup<T, TKey, TElement>(Func<T, TKey>, Func<T, TElement>, IEqualityComparer<TKey>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryUnion<T>(IEnumerable<T>)Overloaded. Produces the set union of two sequences by using the default equality comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryUnion<T>(IEnumerable<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryUnion<T>(IEnumerable<T>, IEqualityComparer<T>)Overloaded. Produces the set union of two sequences by using a specified IEqualityComparer<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryUnion<T>(IEnumerable<T>, IEqualityComparer<T>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryWhere<T>(Func<T, Boolean>)Overloaded. Filters a sequence of values based on a predicate. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryWhere<T>(Func<T, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryWhere<T>(Func<T, Int32, Boolean>)Overloaded. Filters a sequence of values based on a predicate. Each element's index is used in the logic of the predicate function. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryWhere<T>(Func<T, Int32, Boolean>)Overloaded. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryZip<T, TSecond, TResult>(IEnumerable<TSecond>, Func<T, TSecond, TResult>)Overloaded. Applies a specified function to the corresponding elements of two sequences, producing a sequence of the results. (Defined by Enumerable.)
Public Extension MethodSupported by Portable Class LibraryZip<T, TSecond, TResult>(IEnumerable<TSecond>, Func<T, TSecond, TResult>)Overloaded. (Defined by Enumerable.)
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  NameDescription
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryICollection.CopyToCopies the elements of the ICollection to an Array, starting at a particular Array index.
Explicit interface implemetationPrivate propertySupported by Portable Class LibraryICollection.IsSynchronizedGets a value indicating whether access to the ICollection is synchronized with the SyncRoot.
Explicit interface implemetationPrivate propertySupported by Portable Class LibraryICollection.SyncRootGets an object that can be used to synchronize access to the ICollection. This property is not supported.
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIEnumerable.GetEnumeratorReturns an enumerator that iterates through a collection.
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIProducerConsumerCollection<T>.TryAddAttempts to add an object to the System.Collections.Concurrent.IProducerConsumerCollection<T>.
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIProducerConsumerCollection<T>.TryTakeAttempts to remove and return an object from the System.Collections.Concurrent.IProducerConsumerCollection<T>.
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NoteNote

ConcurrentStack<T> implements the IReadOnlyCollection<T> interface starting with the .NET Framework 4.6 RC; in previous versions of the .NET Framework, the ConcurrentStack<T> class did not implement this interface.

ConcurrentStack<T> provides a few main operations:

  • Push inserts an element at the top of the ConcurrentStack<T>.

  • TryPop removes an element from the top of the ConcurrentStack<T>, or returns false if the item cannot be removed.

  • TryPeek returns an element that is at the top of the ConcurrentStack<T> but does not remove it from the ConcurrentStack<T>.

  • The TryPopRange and PushRange methods provide efficient pushing and popping of multiple elements in a single operation.

The following example shows how to use a ConcurrentStack<T> to push and pop individual items:

class CS_Singles
{
        // Demonstrates: 
        //      ConcurrentStack<T>.Push(); 
        //      ConcurrentStack<T>.TryPeek(); 
        //      ConcurrentStack<T>.TryPop(); 
        //      ConcurrentStack<T>.Clear(); 
        //      ConcurrentStack<T>.IsEmpty; 
        static void Main ()
        {
            int errorCount = 0;

            // Construct a ConcurrentStack
            ConcurrentStack<int> cs = new ConcurrentStack<int>();

            // Push some elements onto the stack
            cs.Push(1);
            cs.Push(2);

            int result;

            // Peek at the top of the stack 
            if (!cs.TryPeek(out result))
            {
                Console.WriteLine("CS: TryPeek() failed when it should have succeeded");
                errorCount++;
            }
            else if (result != 2)
            {
                Console.WriteLine("CS: TryPeek() saw {0} instead of 2", result);
                errorCount++;
            }

            // Pop a number off of the stack 
            if (!cs.TryPop(out result))
            {
                Console.WriteLine("CS: TryPop() failed when it should have succeeded");
                errorCount++;
            }
            else if (result != 2)
            {
                Console.WriteLine("CS: TryPop() saw {0} instead of 2", result);
                errorCount++;
            }

            // Clear the stack, and verify that it is empty
            cs.Clear();
            if (!cs.IsEmpty)
            {
                Console.WriteLine("CS: IsEmpty not true after Clear()");
                errorCount++;
            }

            if (errorCount == 0) Console.WriteLine("  OK!");
        }
}

The following example shows how to use a ConcurrentStack<T> to push and pop ranges of items:

using System;
using System.Collections.Concurrent;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

class CS_Ranges
{
        // Demonstrates: 
        //      ConcurrentStack<T>.PushRange(); 
        //      ConcurrentStack<T>.TryPopRange(); 
        //      ConcurrentStack<T>.IsEmpty; 
        static void Main ()
        {
            int errorCount = 0;

            // Construct a ConcurrentStack
            ConcurrentStack<int> cs = new ConcurrentStack<int>();

            // Push some consecutively numbered ranges
            cs.PushRange(new int[] { 1, 2, 3, 4, 5, 6, 7 });
            cs.PushRange(new int[] { 8, 9, 10 });
            cs.PushRange(new int[] { 11, 12, 13, 14 });
            cs.PushRange(new int[] { 15, 16, 17, 18, 19, 20 });
            cs.PushRange(new int[] { 21, 22 });
            cs.PushRange(new int[] { 23, 24, 25, 26, 27, 28, 29, 30 });

            // Now read them back, 3 at a time, concurrently
            Parallel.For(0, 10, i =>
            {
                int[] range = new int[3];
                if (cs.TryPopRange(range) != 3)
                {
                    Console.WriteLine("CS: TryPopRange failed unexpectedly");
                    Interlocked.Increment(ref errorCount);
                }

                // Each range should be consecutive integers, if the range was extracted atomically 
                // And it should be reverse of the original order... 
                if (!range.Skip(1).SequenceEqual(range.Take(range.Length - 1).Select(x => x - 1)))
                {
                    Console.WriteLine("CS: Expected consecutive ranges.  range[0]={0}, range[1]={1}", range[0], range[1]);
                    Interlocked.Increment(ref errorCount);
                }
            });

            // We should have emptied the thing 
            if (!cs.IsEmpty)
            {
                Console.WriteLine("CS: Expected IsEmpty to be true after emptying");
                errorCount++;
            }

            if (errorCount == 0) Console.WriteLine("  OK!");
        }
}

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

All public and protected members of ConcurrentStack<T> are thread-safe and may be used concurrently from multiple threads.

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