Which .Net Timer() to use

Question

I have a legacy WinForms Mdi App in VB.Net 2.0 which I am adding functionality to. One of the additions is a warning which needs to be raised when the current time nears a s

Answer 1

This article explains pretty well:

Comparing the Timer Classes in the .NET Framework Class Library

It sounds like System.Windows.Forms.Timer is the one for you.

My guideline: If you want the timer to run on your main GUI thread, stick with Windows.Forms.Timer. If it's okay for your timer to be called asynchronously on a thread pool thread, or if you don't want to experience the small delays that System.Windows.Forms.Timer tends to suffer, use System.Timers.Timer. System.Threading.Timer has a different interface from the other two and is not thread-safe; personally, I'm not a fan.