How to get curren XY location from $edit1?

[E1M1]

How do I get cursor's X and Y location on Edit1 control? I want display pos on msgbox

#include <ButtonConstants.au3>
#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>

#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Form1", 203, 146, 193, 125)
$Edit1 = GUICtrlCreateEdit("", 8, 8, 185, 89)
GUICtrlSetData(-1, "Edit1")
$Button1 = GUICtrlCreateButton("get coords", 32, 112, 75, 25, 0)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            Exit
        Case $Button1
        MsgBox(0,"Line:","Char:")   
    EndSwitch
WEnd

[JackDinn]

#include <ButtonConstants.au3>
#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Form1", 203, 146, 193, 125)
$Edit1 = GUICtrlCreateEdit("", 8, 8, 185, 89)
GUICtrlSetData(-1, "Edit1")
$Button1 = GUICtrlCreateButton("get coords", 32, 112, 75, 25, 0)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            Exit
        Case $Button1
            $line = ControlCommand($Form1, "", $Edit1, "GetCurrentLine", "")
            $char = ControlCommand($Form1, "", $Edit1, "GetCurrentCol", "")
            MsgBox(0, "test", "Line:" & $line & @CRLF & "Char:" & $char)
    EndSwitch
WEnd

maybe.

[E1M1]

thanks, It's exactly what I need