When building a large WPF application and the number of controls exceed 134 (including the parent window) in a single xaml file, the placement of some adorners when selecting a control are positioned incorrectly and always appear in the top left corner of the design surface. If you were to use any of the adorners to resize or rotate, the adorners jump to the correct position over the control. I'm currently trying version 5.0 Beta 3 but have verified the issue also exists in the 4.4 release.
With 134 controls the display is correct:
Adding one additional control:
If you continue to add a few more controls all adorners are positioned incorrectly:
Thanks in advance for any assistance.