.NET Is there a way to get the parent thread id?

Question

Suppose the main thread is spawning a new thread t1, how can my code that runs on t1 find the thread id of the main thread (using c#)?

Edit:
I don\'t control the

Answer 1

You can't.

Yet you might consider:

1. Prefix the name of the new thread with the thread ID from the parent thread
2. Create a constructor on the method you want to spawn that requires the thread ID from the parent