EventSource.SetCurrentThreadActivityId Method (Guid)
[Supported in the .NET Framework 4.5.1 and later versions]
Sets the activity ID on the current thread.
Assemblies: mscorlib (in mscorlib.dll)
System.Diagnostics.Tracing (in System.Diagnostics.Tracing.dll)
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.
Windows Phone 8.1
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.