#include <GuiRichEdit.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>

Global $lblMsg, $hRichEdit

Main()

Func Main()
	Local $hGui
	$hGui = GUICreate(StringTrimRight(@ScriptName, 4), 420, 350, -1, -1)
	$hRichEdit = _GUICtrlRichEdit_Create($hGui, 'Это тест.', 10, 10, 400, 220, _
			BitOR($ES_MULTILINE, $WS_VSCROLL, $ES_AUTOVSCROLL))
	$lblMsg = GUICtrlCreateLabel("", 10, 235, 300, 60)
	GUISetState()

	For $i = 2 To 50
		_GUICtrlRichEdit_AppendText($hRichEdit, @CR & "Line " & $i)
	Next

	Report("First visible line is number " & _GUICtrlRichEdit_GetNumberOfFirstVisibleLine($hRichEdit))

	While 1
		Switch GUIGetMsg()
			Case $GUI_EVENT_CLOSE
				_GUICtrlRichEdit_Destroy($hRichEdit)
				GUIDelete()
				Exit
		EndSwitch
	WEnd
EndFunc   ;==>Main

Func Report($sMsg)
	GUICtrlSetData($lblMsg, $sMsg)
EndFunc   ;==>Report