#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <FileConstants.au3>
#include <MsgBoxConstants.au3>
#include <WinAPIFiles.au3>
#include <Debug.au3>


_DebugSetup("DummyApp",false,2)
Example()

Func Example()
    GUICreate("My GUI edit") ; will create a dialog box that when displayed is centered
	GUISetState(@SW_SHOW)
    Local $idMyedit = GUICtrlCreateEdit("", 10, 10, 300, 350, $ES_AUTOVSCROLL + $WS_VSCROLL)
	_MyDebug("openfile")
	local $hdFile=fileopen("largetextfile.txt",$FO_READ )
	local $fileContent=FileRead($hdFile)
	fileclose($hdFile)
	_MyDebug("closefile")
	_MyDebug("update ctrlfile start")
	GUICtrlSetData($idMyedit,$fileContent)
	_MyDebug("update ctrlfile done")


    ; Loop until the user exits.
    While 1
        Switch GUIGetMsg()
            Case $GUI_EVENT_CLOSE
                ExitLoop

        EndSwitch
    WEnd
    GUIDelete()
EndFunc   ;==>Example


	func _MyDebug($debugtext,$debugline = @ScriptLineNumber)
		_DebugOut ("("&@HOUR&":"&@MIN&":"&@SEC&"."&@MSEC&") - -->Line" & StringFormat("%04d", $debugline) & "):" & @TAB & $debugtext)
	EndFunc