Returns if primary or secondary mouse button is down, by default primary = left button, secondary = right button
| #include "Window, Screen, Mouse and Control.au3" _GUIMouseDown( $hGUI [, $iButton = 1] |
| $iButton | Window GUI handle |
| $hGUI | Primary button = 1, Secondary button = 2, by Windows default primary button is left |
| integer value |