ExecutionContext.SuppressFlow Method

Suppresses the flow of the execution context across asynchronous threads.

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

public static AsyncFlowControl SuppressFlow()

Return Value

Type: System.Threading.AsyncFlowControl
An AsyncFlowControl structure for restoring the flow.

ExceptionCondition
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.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

  • SecurityCriticalAttribute 

    Requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.

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