WPF - FindName Returns null when it should not

Question

FindName is broken for me :(

The object I am looking for is there. I have proof.

Here is the scenario:

ToggleButton button = (ToggleButton)s         


        

Answer 1

ellipseStoryboard.Children.Add(myRectAnimation); containerCanvas.Children.Add(myPath); After you add register the controls like RegisterName("TextBlock1", Var_TextBox); or RegisterName(myRectAnimation.Name,myRectAnimation); RegisterName(myPath.Name,myPath);