GuiControl, Sub-command, ControlID [, Param3]

ControlID - variable

Otherwise, ControlID can be either ClassNN (the classname and instance number of the control) or the control's text, both of which can be determined via Window Spy. When using text, the matching behavior is determined by SetTitleMatchMode. Note: a picture control's file name (as it was specified at the time the control was created) may be used as its ControlID

ControlID can be the HWND of a control.

Sub-commands

(Blank): Leave Sub-command blank to put new contents into the control via Param3. Specific