ContextCallback Delegate
Assembly: mscorlib (in mscorlib.dll)
'Declaration <ComVisibleAttribute(True)> _ Public Delegate Sub ContextCallback ( _ state As Object _ ) 'Usage Dim instance As New ContextCallback(AddressOf HandlerMethod)
/** @delegate */ /** @attribute ComVisibleAttribute(true) */ public delegate void ContextCallback ( Object state )
Not applicable.
Parameters
- state
An object containing information to be used by the callback method each time it executes.
ContextCallback is used by the ExecutionContext.Run and the SecurityContext.Run methods. ContextCallback represents the method to be run in the provided context. Upon completion of the method execution, the context is restored to its previous state.
Create the delegate by passing your callback method to the ContextCallback constructor. Your method must have the signature shown here.
Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.