Does the System.Windows.Forms.Timer run on a different thread than the UI?

Question

I have a main thread that creates a form object which creates and sets a timer to run a function named updateStatus() every minute. But updateStatus() is also called by the

Answer 1

No.

The whole point of a Windows.Forms Timer is that it runs on the GUI Thread.

Windows (WinForms) runs something called the MessagePump (see Application.Run()) and this is what makes the Timer possible.

All your code runs as part of an Eventhandler somehow, and a Timer tick will never 'interrupt' any other event handler.