Assembly: mscorlib (in mscorlib.dll)
Use this method to suppress the flow of SecurityContext information on the current thread for asynchronous operations.
Use the Undo method on the returned AsyncFlowControl structure to return the SecurityContext object to its previous state.
This method is protected with a SecurityAction.LinkDemand for SecurityPermissionFlag.Infrastructure permission. A fully trusted component can call this method to suppress the flow of the SecurityContext information during asynchronous calls. When the flow is suppressed, the Capture method returns a null reference (Nothing in Visual Basic).
- SecurityPermission for operating with infrastructure code. Demand value: SecurityAction.LinkDemand; Permission value: SecurityPermissionFlag.Infrastructure
Windows 98, Windows 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 .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.