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EventSource.SetCurrentThreadActivityId Method (Guid, Guid)

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

Sets the activity ID on the current thread, and returns the previous activity ID.

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

Public Shared Sub SetCurrentThreadActivityId ( _
	activityId As Guid, _
	<OutAttribute> ByRef oldActivityThatWillContinue As Guid _


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.

Type: System.Guid

When this method returns, contains the previous activity ID on the current thread.

You can call the SetCurrentThreadActivityId(Guid, Guid) method to temporarily overwrite the current thread's activity ID with a new activity ID. You must then restore the previous activity ID by passing the oldActivityThatWillContinue argument to the SetCurrentThreadActivityId(Guid) method.

.NET Framework

Supported in: 4.6, 4.5.1

Supported in: Windows Phone 8.1
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