SetCurrentThreadActivityId Method (Guid)
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EventSource.SetCurrentThreadActivityId Method (Guid)

.NET Framework (current version)

[Supported in the .NET Framework 4.5.1 and later versions]

Sets the activity ID on the current thread.

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

public static void SetCurrentThreadActivityId(
	Guid activityId


Type: System.Guid

The current thread's new activity ID, or Guid.Empty to indicate that work on the current thread is not associated with any activity.

Calling the SetCurrentThreadActivityId method sets the activity ID on a per-thread basis. All events on the thread will have that activity ID until a new activity is started on the same thread.

This method is called only by libraries that manage their own threads.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.5.1
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1
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