ExecutionContext.SuppressFlow Method
Suppresses the flow of the execution context across asynchronous threads.
Namespace: System.Threading
Assembly: mscorlib (in mscorlib.dll)
Return Value
Type: System.Threading.AsyncFlowControlAn AsyncFlowControl structure for restoring the flow.
| Exception | Condition |
|---|---|
| InvalidOperationException | The context flow is already suppressed. |
Use this method to suppress the flow of the ExecutionContext on the current thread.
You must use the Undo method on the returned AsyncFlowControl structure to restore the flow of the ExecutionContext.
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 ExecutionContext during asynchronous calls. While the flow is suppressed, the Capture method returns null.
- SecurityCriticalAttribute
Requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
