WeakReference.IsAlive Property

 

Gets an indication whether the object referenced by the current WeakReference object has been garbage collected.

Namespace:   System
Assembly:  mscorlib (in mscorlib.dll)

public virtual bool IsAlive { get; }

Property Value

Type: System.Boolean

true if the object referenced by the current WeakReference object has not been garbage collected and is still accessible; otherwise, false.

Because an object could potentially be reclaimed for garbage collection immediately after the IsAlive property returns true, using this property is not recommended unless you are testing only for a false return value.

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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