Create a control in Resources and reuse it in XAML WPF

Question

I just try to create a simple Symbol/Geometry/Control and change and reuse it in several places in the same window.

Example: a black square with a circle in the midd

Answer 1

You can use C# code by heritage:

public class customBottum : Buttom
{
        int var1;
        bool var2;

        public customBottum()
        {
            InitializeComponent();
        }

        other function ...
}