[Supported in the .NET Framework 4.5.1 and later versions]
Gets the identifier of an activity that is related to the activity represented by the current instance.
Assembly: mscorlib (in mscorlib.dll)
The is a child of the ActivityId property. An activity ID can be associated with multiple related activity IDs.
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.