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HashSet<T>::Clear Method ()
.NET Framework (current version)
Removes all elements from a HashSet<T> object.
Assembly: System.Core (in System.Core.dll)
Count is set to zero and references to other objects from elements of the collection are also released. The capacity remains unchanged until a call to TrimExcess is made.
This method is an O(n) operation, where n is Count.
The following example creates and populates a HashSet<T> collection, then clears it and releases the memory referenced by the collection.
Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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