Enumerable Methods
Assembly: System.Core (in System.Core.dll)
| Name | Description | |
|---|---|---|
![]() ![]() | Aggregate(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, TSource, TSource)) | Applies an accumulator function over a sequence. |
![]() ![]() | Aggregate(Of TSource, TAccumulate)(IEnumerable(Of TSource), TAccumulate, Func(Of TAccumulate, TSource, TAccumulate)) | Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value. |
![]() ![]() | Aggregate(Of TSource, TAccumulate, TResult)(IEnumerable(Of TSource), TAccumulate, Func(Of TAccumulate, TSource, TAccumulate), Func(Of TAccumulate, TResult)) | 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. |
![]() ![]() | All(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Determines whether all elements of a sequence satisfy a condition. |
![]() ![]() | Any(Of TSource)(IEnumerable(Of TSource)) | Determines whether a sequence contains any elements. |
![]() ![]() | Any(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Determines whether any element of a sequence satisfies a condition. |
![]() ![]() | AsEnumerable(Of TSource)(IEnumerable(Of TSource)) | Returns the input typed as IEnumerable(Of T). |
![]() ![]() | Average(IEnumerable(Of Decimal)) | Computes the average of a sequence of Decimal values. |
![]() ![]() | Average(IEnumerable(Of Double)) | Computes the average of a sequence of Double values. |
![]() ![]() | Average(IEnumerable(Of Int32)) | Computes the average of a sequence of Int32 values. |
![]() ![]() | Average(IEnumerable(Of Int64)) | Computes the average of a sequence of Int64 values. |
![]() ![]() | Average(IEnumerable(Of Nullable(Of Decimal))) | Computes the average of a sequence of nullable Decimal values. |
![]() ![]() | Average(IEnumerable(Of Nullable(Of Double))) | Computes the average of a sequence of nullable Double values. |
![]() ![]() | Average(IEnumerable(Of Nullable(Of Int32))) | Computes the average of a sequence of nullable Int32 values. |
![]() ![]() | Average(IEnumerable(Of Nullable(Of Int64))) | Computes the average of a sequence of nullable Int64 values. |
![]() ![]() | Average(IEnumerable(Of Nullable(Of Single))) | Computes the average of a sequence of nullable Single values. |
![]() ![]() | Average(IEnumerable(Of Single)) | Computes the average of a sequence of Single values. |
![]() ![]() | Average(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Decimal)) | Computes the average of a sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence. |
![]() ![]() | Average(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Double)) | Computes the average of a sequence of Double values that are obtained by invoking a transform function on each element of the input sequence. |
![]() ![]() | Average(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int32)) | Computes the average of a sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence. |
![]() ![]() | Average(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int64)) | Computes the average of a sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence. |
![]() ![]() | Average(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Decimal))) | 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. |
![]() ![]() | Average(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Double))) | 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. |
![]() ![]() | Average(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Int32))) | 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. |
![]() ![]() | Average(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Int64))) | 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. |
![]() ![]() | Average(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Single))) | 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. |
![]() ![]() | Average(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Single)) | Computes the average of a sequence of Single values that are obtained by invoking a transform function on each element of the input sequence. |
![]() ![]() | Cast(Of TResult)(IEnumerable) | Casts the elements of an IEnumerable to the specified type. |
![]() ![]() | Concat(Of TSource)(IEnumerable(Of TSource), IEnumerable(Of TSource)) | Concatenates two sequences. |
![]() ![]() | Contains(Of TSource)(IEnumerable(Of TSource), TSource) | Determines whether a sequence contains a specified element by using the default equality comparer. |
![]() ![]() | Contains(Of TSource)(IEnumerable(Of TSource), TSource, IEqualityComparer(Of TSource)) | Determines whether a sequence contains a specified element by using a specified IEqualityComparer(Of T). |
![]() ![]() | Count(Of TSource)(IEnumerable(Of TSource)) | Returns the number of elements in a sequence. |
![]() ![]() | Count(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Returns a number that represents how many elements in the specified sequence satisfy a condition. |
![]() ![]() | DefaultIfEmpty(Of TSource)(IEnumerable(Of TSource)) | Returns the elements of the specified sequence or the type parameter's default value in a singleton collection if the sequence is empty. |
![]() ![]() | DefaultIfEmpty(Of TSource)(IEnumerable(Of TSource), TSource) | Returns the elements of the specified sequence or the specified value in a singleton collection if the sequence is empty. |
![]() ![]() | Distinct(Of TSource)(IEnumerable(Of TSource)) | Returns distinct elements from a sequence by using the default equality comparer to compare values. |
![]() ![]() | Distinct(Of TSource)(IEnumerable(Of TSource), IEqualityComparer(Of TSource)) | Returns distinct elements from a sequence by using a specified IEqualityComparer(Of T) to compare values. |
![]() ![]() | ElementAt(Of TSource)(IEnumerable(Of TSource), Int32) | Returns the element at a specified index in a sequence. |
![]() ![]() | ElementAtOrDefault(Of TSource)(IEnumerable(Of TSource), Int32) | Returns the element at a specified index in a sequence or a default value if the index is out of range. |
![]() ![]() | Empty(Of TResult)() | Returns an empty IEnumerable(Of T) that has the specified type argument. |
![]() ![]() | Except(Of TSource)(IEnumerable(Of TSource), IEnumerable(Of TSource)) | Produces the set difference of two sequences by using the default equality comparer to compare values. |
![]() ![]() | Except(Of TSource)(IEnumerable(Of TSource), IEnumerable(Of TSource), IEqualityComparer(Of TSource)) | Produces the set difference of two sequences by using the specified IEqualityComparer(Of T) to compare values. |
![]() ![]() | First(Of TSource)(IEnumerable(Of TSource)) | Returns the first element of a sequence. |
![]() ![]() | First(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Returns the first element in a sequence that satisfies a specified condition. |
![]() ![]() | FirstOrDefault(Of TSource)(IEnumerable(Of TSource)) | Returns the first element of a sequence, or a default value if the sequence contains no elements. |
![]() ![]() | FirstOrDefault(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Returns the first element of the sequence that satisfies a condition or a default value if no such element is found. |
![]() ![]() | GroupBy(Of TSource, TKey)(IEnumerable(Of TSource), Func(Of TSource, TKey)) | Groups the elements of a sequence according to a specified key selector function. |
![]() ![]() | GroupBy(Of TSource, TKey)(IEnumerable(Of TSource), Func(Of TSource, TKey), IEqualityComparer(Of TKey)) | Groups the elements of a sequence according to a specified key selector function and compares the keys by using a specified comparer. |
![]() ![]() | GroupBy(Of TSource, TKey, TElement)(IEnumerable(Of TSource), Func(Of TSource, TKey), Func(Of TSource, TElement)) | 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. |
![]() ![]() | GroupBy(Of TSource, TKey, TElement)(IEnumerable(Of TSource), Func(Of TSource, TKey), Func(Of TSource, TElement), IEqualityComparer(Of TKey)) | 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. |
![]() ![]() | GroupBy(Of TSource, TKey, TResult)(IEnumerable(Of TSource), Func(Of TSource, TKey), Func(Of TKey, IEnumerable(Of TSource), TResult)) | Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. |
![]() ![]() | GroupBy(Of TSource, TKey, TResult)(IEnumerable(Of TSource), Func(Of TSource, TKey), Func(Of TKey, IEnumerable(Of TSource), TResult), IEqualityComparer(Of TKey)) | 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. |
![]() ![]() | GroupBy(Of TSource, TKey, TElement, TResult)(IEnumerable(Of TSource), Func(Of TSource, TKey), Func(Of TSource, TElement), Func(Of TKey, IEnumerable(Of TElement), TResult)) | 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. |
![]() ![]() | GroupBy(Of TSource, TKey, TElement, TResult)(IEnumerable(Of TSource), Func(Of TSource, TKey), Func(Of TSource, TElement), Func(Of TKey, IEnumerable(Of TElement), TResult), IEqualityComparer(Of TKey)) | 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. |
![]() ![]() | GroupJoin(Of TOuter, TInner, TKey, TResult)(IEnumerable(Of TOuter), IEnumerable(Of TInner), Func(Of TOuter, TKey), Func(Of TInner, TKey), Func(Of TOuter, IEnumerable(Of TInner), TResult)) | Correlates the elements of two sequences based on equality of keys and groups the results. The default equality comparer is used to compare keys. |
![]() ![]() | GroupJoin(Of TOuter, TInner, TKey, TResult)(IEnumerable(Of TOuter), IEnumerable(Of TInner), Func(Of TOuter, TKey), Func(Of TInner, TKey), Func(Of TOuter, IEnumerable(Of TInner), TResult), IEqualityComparer(Of TKey)) | Correlates the elements of two sequences based on key equality and groups the results. A specified IEqualityComparer(Of T) is used to compare keys. |
![]() ![]() | Intersect(Of TSource)(IEnumerable(Of TSource), IEnumerable(Of TSource)) | Produces the set intersection of two sequences by using the default equality comparer to compare values. |
![]() ![]() | Intersect(Of TSource)(IEnumerable(Of TSource), IEnumerable(Of TSource), IEqualityComparer(Of TSource)) | Produces the set intersection of two sequences by using the specified IEqualityComparer(Of T) to compare values. |
![]() ![]() | Join(Of TOuter, TInner, TKey, TResult)(IEnumerable(Of TOuter), IEnumerable(Of TInner), Func(Of TOuter, TKey), Func(Of TInner, TKey), Func(Of TOuter, TInner, TResult)) | Correlates the elements of two sequences based on matching keys. The default equality comparer is used to compare keys. |
![]() ![]() | Join(Of TOuter, TInner, TKey, TResult)(IEnumerable(Of TOuter), IEnumerable(Of TInner), Func(Of TOuter, TKey), Func(Of TInner, TKey), Func(Of TOuter, TInner, TResult), IEqualityComparer(Of TKey)) | Correlates the elements of two sequences based on matching keys. A specified IEqualityComparer(Of T) is used to compare keys. |
![]() ![]() | Last(Of TSource)(IEnumerable(Of TSource)) | Returns the last element of a sequence. |
![]() ![]() | Last(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Returns the last element of a sequence that satisfies a specified condition. |
![]() ![]() | LastOrDefault(Of TSource)(IEnumerable(Of TSource)) | Returns the last element of a sequence, or a default value if the sequence contains no elements. |
![]() ![]() | LastOrDefault(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Returns the last element of a sequence that satisfies a condition or a default value if no such element is found. |
![]() ![]() | LongCount(Of TSource)(IEnumerable(Of TSource)) | Returns an Int64 that represents the total number of elements in a sequence. |
![]() ![]() | LongCount(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Returns an Int64 that represents how many elements in a sequence satisfy a condition. |
![]() ![]() | Max(IEnumerable(Of Decimal)) | Returns the maximum value in a sequence of Decimal values. |
![]() ![]() | Max(IEnumerable(Of Double)) | Returns the maximum value in a sequence of Double values. |
![]() ![]() | Max(IEnumerable(Of Int32)) | Returns the maximum value in a sequence of Int32 values. |
![]() ![]() | Max(IEnumerable(Of Int64)) | Returns the maximum value in a sequence of Int64 values. |
![]() ![]() | Max(IEnumerable(Of Nullable(Of Decimal))) | Returns the maximum value in a sequence of nullable Decimal values. |
![]() ![]() | Max(IEnumerable(Of Nullable(Of Double))) | Returns the maximum value in a sequence of nullable Double values. |
![]() ![]() | Max(IEnumerable(Of Nullable(Of Int32))) | Returns the maximum value in a sequence of nullable Int32 values. |
![]() ![]() | Max(IEnumerable(Of Nullable(Of Int64))) | Returns the maximum value in a sequence of nullable Int64 values. |
![]() ![]() | Max(IEnumerable(Of Nullable(Of Single))) | Returns the maximum value in a sequence of nullable Single values. |
![]() ![]() | Max(IEnumerable(Of Single)) | Returns the maximum value in a sequence of Single values. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource)) | Returns the maximum value in a generic sequence. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Decimal)) | Invokes a transform function on each element of a sequence and returns the maximum Decimal value. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Double)) | Invokes a transform function on each element of a sequence and returns the maximum Double value. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int32)) | Invokes a transform function on each element of a sequence and returns the maximum Int32 value. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int64)) | Invokes a transform function on each element of a sequence and returns the maximum Int64 value. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Decimal))) | Invokes a transform function on each element of a sequence and returns the maximum nullable Decimal value. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Double))) | Invokes a transform function on each element of a sequence and returns the maximum nullable Double value. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Int32))) | Invokes a transform function on each element of a sequence and returns the maximum nullable Int32 value. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Int64))) | Invokes a transform function on each element of a sequence and returns the maximum nullable Int64 value. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Single))) | Invokes a transform function on each element of a sequence and returns the maximum nullable Single value. |
![]() ![]() | Max(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Single)) | Invokes a transform function on each element of a sequence and returns the maximum Single value. |
![]() ![]() | Max(Of TSource, TResult)(IEnumerable(Of TSource), Func(Of TSource, TResult)) | Invokes a transform function on each element of a generic sequence and returns the maximum resulting value. |
![]() ![]() | Min(IEnumerable(Of Decimal)) | Returns the minimum value in a sequence of Decimal values. |
![]() ![]() | Min(IEnumerable(Of Double)) | Returns the minimum value in a sequence of Double values. |
![]() ![]() | Min(IEnumerable(Of Int32)) | Returns the minimum value in a sequence of Int32 values. |
![]() ![]() | Min(IEnumerable(Of Int64)) | Returns the minimum value in a sequence of Int64 values. |
![]() ![]() | Min(IEnumerable(Of Nullable(Of Decimal))) | Returns the minimum value in a sequence of nullable Decimal values. |
![]() ![]() | Min(IEnumerable(Of Nullable(Of Double))) | Returns the minimum value in a sequence of nullable Double values. |
![]() ![]() | Min(IEnumerable(Of Nullable(Of Int32))) | Returns the minimum value in a sequence of nullable Int32 values. |
![]() ![]() | Min(IEnumerable(Of Nullable(Of Int64))) | Returns the minimum value in a sequence of nullable Int64 values. |
![]() ![]() | Min(IEnumerable(Of Nullable(Of Single))) | Returns the minimum value in a sequence of nullable Single values. |
![]() ![]() | Min(IEnumerable(Of Single)) | Returns the minimum value in a sequence of Single values. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource)) | Returns the minimum value in a generic sequence. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Decimal)) | Invokes a transform function on each element of a sequence and returns the minimum Decimal value. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Double)) | Invokes a transform function on each element of a sequence and returns the minimum Double value. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int32)) | Invokes a transform function on each element of a sequence and returns the minimum Int32 value. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int64)) | Invokes a transform function on each element of a sequence and returns the minimum Int64 value. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Decimal))) | Invokes a transform function on each element of a sequence and returns the minimum nullable Decimal value. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Double))) | Invokes a transform function on each element of a sequence and returns the minimum nullable Double value. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Int32))) | Invokes a transform function on each element of a sequence and returns the minimum nullable Int32 value. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Int64))) | Invokes a transform function on each element of a sequence and returns the minimum nullable Int64 value. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Single))) | Invokes a transform function on each element of a sequence and returns the minimum nullable Single value. |
![]() ![]() | Min(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Single)) | Invokes a transform function on each element of a sequence and returns the minimum Single value. |
![]() ![]() | Min(Of TSource, TResult)(IEnumerable(Of TSource), Func(Of TSource, TResult)) | Invokes a transform function on each element of a generic sequence and returns the minimum resulting value. |
![]() ![]() | OfType(Of TResult)(IEnumerable) | Filters the elements of an IEnumerable based on a specified type. |
![]() ![]() | OrderBy(Of TSource, TKey)(IEnumerable(Of TSource), Func(Of TSource, TKey)) | Sorts the elements of a sequence in ascending order according to a key. |
![]() ![]() | OrderBy(Of TSource, TKey)(IEnumerable(Of TSource), Func(Of TSource, TKey), IComparer(Of TKey)) | Sorts the elements of a sequence in ascending order by using a specified comparer. |
![]() ![]() | OrderByDescending(Of TSource, TKey)(IEnumerable(Of TSource), Func(Of TSource, TKey)) | Sorts the elements of a sequence in descending order according to a key. |
![]() ![]() | OrderByDescending(Of TSource, TKey)(IEnumerable(Of TSource), Func(Of TSource, TKey), IComparer(Of TKey)) | Sorts the elements of a sequence in descending order by using a specified comparer. |
![]() ![]() | Range(Int32, Int32) | Generates a sequence of integral numbers within a specified range. |
![]() ![]() | Repeat(Of TResult)(TResult, Int32) | Generates a sequence that contains one repeated value. |
![]() ![]() | Reverse(Of TSource)(IEnumerable(Of TSource)) | Inverts the order of the elements in a sequence. |
![]() ![]() | Select(Of TSource, TResult)(IEnumerable(Of TSource), Func(Of TSource, TResult)) | Projects each element of a sequence into a new form. |
![]() ![]() | Select(Of TSource, TResult)(IEnumerable(Of TSource), Func(Of TSource, Int32, TResult)) | Projects each element of a sequence into a new form by incorporating the element's index. |
![]() ![]() | SelectMany(Of TSource, TResult)(IEnumerable(Of TSource), Func(Of TSource, IEnumerable(Of TResult))) | Projects each element of a sequence to an IEnumerable(Of T) and flattens the resulting sequences into one sequence. |
![]() ![]() | SelectMany(Of TSource, TResult)(IEnumerable(Of TSource), Func(Of TSource, Int32, IEnumerable(Of TResult))) | Projects each element of a sequence to an IEnumerable(Of T), and flattens the resulting sequences into one sequence. The index of each source element is used in the projected form of that element. |
![]() ![]() | SelectMany(Of TSource, TCollection, TResult)(IEnumerable(Of TSource), Func(Of TSource, IEnumerable(Of TCollection)), Func(Of TSource, TCollection, TResult)) | Projects each element of a sequence to an IEnumerable(Of T), flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein. |
![]() ![]() | SelectMany(Of TSource, TCollection, TResult)(IEnumerable(Of TSource), Func(Of TSource, Int32, IEnumerable(Of TCollection)), Func(Of TSource, TCollection, TResult)) | Projects each element of a sequence to an IEnumerable(Of 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. |
![]() ![]() | SequenceEqual(Of TSource)(IEnumerable(Of TSource), IEnumerable(Of TSource)) | Determines whether two sequences are equal by comparing the elements by using the default equality comparer for their type. |
![]() ![]() | SequenceEqual(Of TSource)(IEnumerable(Of TSource), IEnumerable(Of TSource), IEqualityComparer(Of TSource)) | Determines whether two sequences are equal by comparing their elements by using a specified IEqualityComparer(Of T). |
![]() ![]() | Single(Of TSource)(IEnumerable(Of TSource)) | Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence. |
![]() ![]() | Single(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists. |
![]() ![]() | SingleOrDefault(Of TSource)(IEnumerable(Of TSource)) | 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. |
![]() ![]() | SingleOrDefault(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | 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. |
![]() ![]() | Skip(Of TSource)(IEnumerable(Of TSource), Int32) | Bypasses a specified number of elements in a sequence and then returns the remaining elements. |
![]() ![]() | SkipWhile(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. |
![]() ![]() | SkipWhile(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int32, Boolean)) | 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. |
![]() ![]() | Sum(IEnumerable(Of Decimal)) | Computes the sum of a sequence of Decimal values. |
![]() ![]() | Sum(IEnumerable(Of Double)) | Computes the sum of a sequence of Double values. |
![]() ![]() | Sum(IEnumerable(Of Int32)) | Computes the sum of a sequence of Int32 values. |
![]() ![]() | Sum(IEnumerable(Of Int64)) | Computes the sum of a sequence of Int64 values. |
![]() ![]() | Sum(IEnumerable(Of Nullable(Of Decimal))) | Computes the sum of a sequence of nullable Decimal values. |
![]() ![]() | Sum(IEnumerable(Of Nullable(Of Double))) | Computes the sum of a sequence of nullable Double values. |
![]() ![]() | Sum(IEnumerable(Of Nullable(Of Int32))) | Computes the sum of a sequence of nullable Int32 values. |
![]() ![]() | Sum(IEnumerable(Of Nullable(Of Int64))) | Computes the sum of a sequence of nullable Int64 values. |
![]() ![]() | Sum(IEnumerable(Of Nullable(Of Single))) | Computes the sum of a sequence of nullable Single values. |
![]() ![]() | Sum(IEnumerable(Of Single)) | Computes the sum of a sequence of Single values. |
![]() ![]() | Sum(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Decimal)) | Computes the sum of the sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence. |
![]() ![]() | Sum(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Double)) | Computes the sum of the sequence of Double values that are obtained by invoking a transform function on each element of the input sequence. |
![]() ![]() | Sum(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int32)) | Computes the sum of the sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence. |
![]() ![]() | Sum(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int64)) | Computes the sum of the sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence. |
![]() ![]() | Sum(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Decimal))) | 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. |
![]() ![]() | Sum(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Double))) | 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. |
![]() ![]() | Sum(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Int32))) | 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. |
![]() ![]() | Sum(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Int64))) | 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. |
![]() ![]() | Sum(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Nullable(Of Single))) | 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. |
![]() ![]() | Sum(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Single)) | Computes the sum of the sequence of Single values that are obtained by invoking a transform function on each element of the input sequence. |
![]() ![]() | Take(Of TSource)(IEnumerable(Of TSource), Int32) | Returns a specified number of contiguous elements from the start of a sequence. |
![]() ![]() | TakeWhile(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Returns elements from a sequence as long as a specified condition is true. |
![]() ![]() | TakeWhile(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int32, Boolean)) | 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. |
![]() ![]() | ThenBy(Of TSource, TKey)(IOrderedEnumerable(Of TSource), Func(Of TSource, TKey)) | Performs a subsequent ordering of the elements in a sequence in ascending order according to a key. |
![]() ![]() | ThenBy(Of TSource, TKey)(IOrderedEnumerable(Of TSource), Func(Of TSource, TKey), IComparer(Of TKey)) | Performs a subsequent ordering of the elements in a sequence in ascending order by using a specified comparer. |
![]() ![]() | ThenByDescending(Of TSource, TKey)(IOrderedEnumerable(Of TSource), Func(Of TSource, TKey)) | Performs a subsequent ordering of the elements in a sequence in descending order, according to a key. |
![]() ![]() | ThenByDescending(Of TSource, TKey)(IOrderedEnumerable(Of TSource), Func(Of TSource, TKey), IComparer(Of TKey)) | Performs a subsequent ordering of the elements in a sequence in descending order by using a specified comparer. |
![]() ![]() | ToArray(Of TSource)(IEnumerable(Of TSource)) | Creates an array from a IEnumerable(Of T). |
![]() ![]() | ToDictionary(Of TSource, TKey)(IEnumerable(Of TSource), Func(Of TSource, TKey)) | Creates a Dictionary(Of TKey, TValue) from an IEnumerable(Of T) according to a specified key selector function. |
![]() ![]() | ToDictionary(Of TSource, TKey)(IEnumerable(Of TSource), Func(Of TSource, TKey), IEqualityComparer(Of TKey)) | Creates a Dictionary(Of TKey, TValue) from an IEnumerable(Of T) according to a specified key selector function and key comparer. |
![]() ![]() | ToDictionary(Of TSource, TKey, TElement)(IEnumerable(Of TSource), Func(Of TSource, TKey), Func(Of TSource, TElement)) | Creates a Dictionary(Of TKey, TValue) from an IEnumerable(Of T) according to specified key selector and element selector functions. |
![]() ![]() | ToDictionary(Of TSource, TKey, TElement)(IEnumerable(Of TSource), Func(Of TSource, TKey), Func(Of TSource, TElement), IEqualityComparer(Of TKey)) | Creates a Dictionary(Of TKey, TValue) from an IEnumerable(Of T) according to a specified key selector function, a comparer, and an element selector function. |
![]() ![]() | ToList(Of TSource)(IEnumerable(Of TSource)) | Creates a List(Of T) from an IEnumerable(Of T). |
![]() ![]() | ToLookup(Of TSource, TKey)(IEnumerable(Of TSource), Func(Of TSource, TKey)) | Creates a Lookup(Of TKey, TElement) from an IEnumerable(Of T) according to a specified key selector function. |
![]() ![]() | ToLookup(Of TSource, TKey)(IEnumerable(Of TSource), Func(Of TSource, TKey), IEqualityComparer(Of TKey)) | Creates a Lookup(Of TKey, TElement) from an IEnumerable(Of T) according to a specified key selector function and key comparer. |
![]() ![]() | ToLookup(Of TSource, TKey, TElement)(IEnumerable(Of TSource), Func(Of TSource, TKey), Func(Of TSource, TElement)) | Creates a Lookup(Of TKey, TElement) from an IEnumerable(Of T) according to specified key selector and element selector functions. |
![]() ![]() | ToLookup(Of TSource, TKey, TElement)(IEnumerable(Of TSource), Func(Of TSource, TKey), Func(Of TSource, TElement), IEqualityComparer(Of TKey)) | Creates a Lookup(Of TKey, TElement) from an IEnumerable(Of T) according to a specified key selector function, a comparer and an element selector function. |
![]() ![]() | Union(Of TSource)(IEnumerable(Of TSource), IEnumerable(Of TSource)) | Produces the set union of two sequences by using the default equality comparer. |
![]() ![]() | Union(Of TSource)(IEnumerable(Of TSource), IEnumerable(Of TSource), IEqualityComparer(Of TSource)) | Produces the set union of two sequences by using a specified IEqualityComparer(Of T). |
![]() ![]() | Where(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Boolean)) | Filters a sequence of values based on a predicate. |
![]() ![]() | Where(Of TSource)(IEnumerable(Of TSource), Func(Of TSource, Int32, Boolean)) | Filters a sequence of values based on a predicate. Each element's index is used in the logic of the predicate function. |
![]() ![]() | Zip(Of TFirst, TSecond, TResult)(IEnumerable(Of TFirst), IEnumerable(Of TSecond), Func(Of TFirst, TSecond, TResult)) | Applies a specified function to the corresponding elements of two sequences, producing a sequence of the results. |

