Hey all. I decided to make myself a slider. something like this one I've got some progress but there are some problems. 1) the thingy (Rectangle) won't stay on the bar if I move it too fast. 2) Script uses lots of resources. Here's my code (Files are attached) #include <GUIConstantsEx.au3> #include <StaticConstants.au3> #include <WindowsConstants.au3> $hGUI = GUICreate("Test", 300, 200, 100, 100) $Pic1 = GUICtrlCreatePic("", 48, 80, 204, 16) GUICtrlSetImage(