hi Morthawt, Here's an example showing how to do it (without deleting and recreating controls like guinness's method) #include <ButtonConstants.au3> #include <EditConstants.au3> #include <GUIConstantsEx.au3> #include <WindowsConstants.au3> #Region ### START Koda GUI section ### Form= $Form1 = GUICreate("Form1", 162, 58, 216, 148) $Input2 = GUICtrlCreateInput("Input2", 8, 8, 145, 21, BitOR($ES_PASSWORD, $ES_AUTOHSCROLL)) $Checkbox1 = GUICtrlCreateCheckbox("Show passwor