Hi forum i have made this function to skin one of my proyects, now i want to inprove the effect generated by this skin and turn the window semi transparent..the controls must remain opaque. #include <gdiplus.au3> #include <winapi.au3> #include <WindowsConstants.au3> #include <GUIConstantsEx.au3> #include <Constants.au3> Global Const $STM_SETIMAGE = 0x172 $hGui = GuiCreate("Test Skin Functions",-1,200,-1,-1,$WS_POPUP) _SetGuiRoundCorners($hGUI, 40,false,true,true