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Returns a read-only view onto a collection. The returned ICollection<T> interface
only allows operations that do not change the collection: GetEnumerator, Contains, CopyTo,
Count. The ReadOnly property returns false, indicating that the collection is read-only. All other
methods on the interface throw a NotSupportedException.
Namespace: Wintellect.PowerCollections
Assembly:
PowerCollections (in PowerCollections.dll)
Syntax
| C# |
|---|
public static ICollection<T> ReadOnly<T>( ICollection<T> collection ) |
| Visual Basic (Declaration) |
|---|
Public Shared Function ReadOnly(Of T) ( _ collection As ICollection(Of T) _ ) As ICollection(Of T) |
| Visual C++ |
|---|
public: generic<typename T> static ICollection<T>^ ReadOnly ( ICollection<T>^ collection ) |
Parameters
- collection
- ICollection<(Of <T>)>
The collection to wrap.
Return Value
A read-only view onto collection. If collection is null, then null is returned.Type Parameters
- T
- The type of items in the collection.
Remarks
The data in the underlying collection is not copied. If the underlying
collection is changed, then the read-only view also changes accordingly.
See Also
Algorithms Class
Wintellect.PowerCollections Namespace
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