Still blocked? I am using MahApp at home, I can have a look how I do things.... A new .NET Serializer All in one Menu-Ribbon Bar Taking over the world since 1371!

We've all done that from time to time. Although, I was actually worried that I was missing something that you had noticed.

The DispatcherTimer documentation makes things slightly clearer than the System.Timers.Timer documentation: DispatcherTimer Class (System.Windows.Threading) | Microsoft Docs[^]: If a System.Timers.Timer is used in a WPF application, it is worth noting that the System.Timers.Timer runs on a different thread than the user interface (UI) thread. In order to access objects on the user interface (UI) thread, it is necessary to post the operation onto the Dispatcher of the user interface (UI) thread using Invoke or BeginInvoke. Reasons for using a DispatcherTimer as opposed to a System.Timers.Timer are that the DispatcherTimer runs on the same thread as the Dispatcher and a DispatcherPriority can be set on the DispatcherTimer. "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

Ohh, I'm sorry. Just not familiar with MSDN site. I had to download entire project provided. :) There were lots of C Sharp code files, naive little boy Pew. :) Thank you Richard.

Gerry Schmitz> you approached it all wrong. OK, these words are just words. Could you show me correct approaches by means of uploading a working code (as it was done above, in previous posts). Let's suppose. It'll be "simpliest" task called " how to make Canvas to be fully adaptive/responsive to the range of resolutions e.g. 1024x768 ---> 1920x1080". Really have no clue how to do that by professional way. I would be much appreciated.