Binding rectangle position to another rectangle?

I suggest you go with the event approach. This is the same approach WPF uses for Data Binding. There even exists an interface for that purpose: INotifyPropertyChanged.

Thank you, but I decided now for the "recursive" approach where the child element is positioned relative to its parent. For my case the WPF-way seemed to heavy ... – Benny Sep 7 at 12:12.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.