Indeed, you can use the same effect as the start menu via the undocumented API SetWindowCompositionAttribute [1]. Note it only works properly with frameless win

Indeed, you can use the same effect as the start menu via the undocumented API SetWindowCompositionAttribute [1]. Note it only works properly with frameless windows, if you have a titlebar there are slight artifacts around the window. [1] http://withinrafael.com/adding-the-aero-glass-blur-to-your-windows-10-apps/ http://withinrafael.com/adding-the-aero-glass-blur-to-your-w...