This is easily replicated by creating a simple MetroForm. Run said form and click out of it to lose focus, click back in it and a form (in my case, the default Windows one) will surround the inner edge of the form.
This was reproduced many times using Windows 8.1 RTM
This is easily replicated by creating a simple MetroForm. Run said form and click out of it to lose focus, click back in it and a form (in my case, the default Windows one) will surround the inner edge of the form.
This was reproduced many times using Windows 8.1 RTM