Sets absolute coordinates for the next control.
GUISetCoord ( left, top [, width [, height [, winhandle]]] )
| left | The left side of the control. | 
| top | The top of the control. | 
| width | [optional] The width of the control (default is the previously used width). | 
| height | [optional] The height of the control (default is the previously used height). | 
| winhandle | [optional] Windows handle as returned by GUICreate() (default is the previously used window). | 
| Success: | 1. | 
| Failure: | 0. | 
To be used specifically in Opt ("GUICoordMode", 2). It allows you to set the current position to a precise point and from that position to create controls by row (x_offset,-1) or by columns (-1, y_offset).
#include <GUIConstantsEx.au3>
Example()
Func Example()
    Opt("GUICoordMode", 2) ; relative to cell mode
    GUICreate("My GUI Set Coord", 200, 100)
    GUICtrlCreateCheckbox("Check #1", 20, 10, 75)
    GUICtrlCreateCheckbox("Notify #2", 10, -1) ; next cell in the line
    GUISetCoord(20, 60)
    GUICtrlCreateButton("OK #3", -1, -1)
    GUICtrlCreateButton("Cancel #4", 10, -1)
    GUICtrlSetState(-1, $GUI_FOCUS)
    GUISetState(@SW_SHOW) ; will display an empty dialog box
    ; Loop until the user exits.
    While 1
        Switch GUIGetMsg()
            Case $GUI_EVENT_CLOSE
                ExitLoop
        EndSwitch
    WEnd
    GUIDelete()
EndFunc   ;==>Example