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ReadOnlyObservableCollection<T> Class

Represents a read-only ObservableCollection<T>.

System.Object
  System.Collections.ObjectModel.ReadOnlyCollection<T>
    System.Collections.ObjectModel.ReadOnlyObservableCollection<T>

Namespace:  System.Collections.ObjectModel
Assemblies:   System.ObjectModel (in System.ObjectModel.dll)
  System (in System.dll)

public class ReadOnlyObservableCollection<T> : ReadOnlyCollection<T>, 
	INotifyCollectionChanged, INotifyPropertyChanged

Type Parameters

T

The type of elements in the collection.

The ReadOnlyObservableCollection<T> type exposes the following members.

  NameDescription
Public methodSupported by Portable Class LibraryReadOnlyObservableCollection<T>Initializes a new instance of the ReadOnlyObservableCollection<T> class that serves as a wrapper around the specified ObservableCollection<T>.
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  NameDescription
Public propertySupported by Portable Class LibraryCountGets the number of elements contained in the ReadOnlyCollection<T> instance. (Inherited from ReadOnlyCollection<T>.)
Public propertySupported by Portable Class LibraryItemGets the element at the specified index. (Inherited from ReadOnlyCollection<T>.)
Protected propertySupported by Portable Class LibraryItemsReturns the IList<T> that the ReadOnlyCollection<T> wraps. (Inherited from ReadOnlyCollection<T>.)
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  NameDescription
Public methodSupported by Portable Class LibraryContainsDetermines whether an element is in the ReadOnlyCollection<T>. (Inherited from ReadOnlyCollection<T>.)
Public methodSupported by Portable Class LibraryCopyToCopies the entire ReadOnlyCollection<T> to a compatible one-dimensional Array, starting at the specified index of the target array. (Inherited from ReadOnlyCollection<T>.)
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 ReadOnlyCollection<T>. (Inherited from ReadOnlyCollection<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.)
Public methodSupported by Portable Class LibraryIndexOfSearches for the specified object and returns the zero-based index of the first occurrence within the entire ReadOnlyCollection<T>. (Inherited from ReadOnlyCollection<T>.)
Protected methodSupported by Portable Class LibraryMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Protected methodSupported by Portable Class LibraryOnCollectionChangedRaises the CollectionChanged event using the provided arguments.
Protected methodSupported by Portable Class LibraryOnPropertyChangedRaises the PropertyChanged event using the provided arguments.
Public methodSupported by Portable Class LibraryToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Protected eventSupported by Portable Class LibraryCollectionChangedOccurs when an item is added or removed.
Protected eventSupported by Portable Class LibraryPropertyChangedOccurs when a property value changes.
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  NameDescription
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryICollection<T>.AddAdds an item to the ICollection<T>. This implementation always throws NotSupportedException. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryICollection<T>.ClearRemoves all items from the ICollection<T>. This implementation always throws NotSupportedException. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryICollection.CopyToCopies the elements of the ICollection to an Array, starting at a particular Array index. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate propertySupported by Portable Class LibraryICollection<T>.IsReadOnlyGets a value indicating whether the ICollection<T> is read-only. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate propertySupported by Portable Class LibraryICollection.IsSynchronizedGets a value indicating whether access to the ICollection is synchronized (thread safe). (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryICollection<T>.RemoveRemoves the first occurrence of a specific object from the ICollection<T>. This implementation always throws NotSupportedException. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate propertySupported by Portable Class LibraryICollection.SyncRootGets an object that can be used to synchronize access to the ICollection. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIEnumerable.GetEnumeratorReturns an enumerator that iterates through a collection. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIList.AddAdds an item to the IList. This implementation always throws NotSupportedException. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIList.ClearRemoves all items from the IList. This implementation always throws NotSupportedException. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIList.ContainsDetermines whether the IList contains a specific value. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIList.IndexOfDetermines the index of a specific item in the IList. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIList<T>.InsertInserts an item to the IList<T> at the specified index. This implementation always throws NotSupportedException. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIList.InsertInserts an item to the IList at the specified index. This implementation always throws NotSupportedException. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate propertySupported by Portable Class LibraryIList.IsFixedSizeGets a value indicating whether the IList has a fixed size. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate propertySupported by Portable Class LibraryIList.IsReadOnlyGets a value indicating whether the IList is read-only. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate propertySupported by Portable Class LibraryIList<T>.ItemGets the element at the specified index. An NotSupportedException occurs if you try to set the item at the specified index. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate propertySupported by Portable Class LibraryIList.ItemGets the element at the specified index. A NotSupportedException occurs if you try to set the item at the specified index. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIList.RemoveRemoves the first occurrence of a specific object from the IList. This implementation always throws NotSupportedException. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIList<T>.RemoveAtRemoves the IList<T> item at the specified index. This implementation always throws NotSupportedException. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate methodSupported by Portable Class LibraryIList.RemoveAtRemoves the IList item at the specified index. This implementation always throws NotSupportedException. (Inherited from ReadOnlyCollection<T>.)
Explicit interface implemetationPrivate eventSupported by Portable Class LibraryINotifyCollectionChanged.CollectionChangedOccurs when the collection changes.
Explicit interface implemetationPrivate eventSupported by Portable Class LibraryINotifyPropertyChanged.PropertyChangedOccurs when a property value changes.
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This class is a read-only wrapper around an ObservableCollection<T>. If changes are made to the underlying collection, the ReadOnlyObservableCollection<T> reflects those changes. To be notified of the changes to this class, subscribe to the INotifyCollectionChanged.CollectionChanged or INotifyPropertyChanged.PropertyChanged event.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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