Установка курсора в заданную позицию в элементах Edit

#Include <GUIEdit.au3>
#Include <ScrollBarConstants.au3>
#Include <WindowsConstants.au3>

$sFile = RegRead('HKLM\SOFTWARE\AutoIt v3\AutoIt', 'InstallDir') & '\Include\ChangeLog.txt'

GUICreate('MyGUI', 400, 300)
$Edit = GUICtrlCreateEdit('', 10, 10, 380, 280, BitOR($ES_WANTRETURN, $WS_VSCROLL, $WS_HSCROLL))
GUISetState()

_GUICtrlEdit_SetText($Edit, FileRead($sFile))
_GUICtrlEdit_SetPos($Edit, 37, 10)

Do
Until GUIGetMsg() = -3

; #FUNCTION# ====================================================================================================================
; Name...........: _GUICtrlEdit_SetPos
; Description....: Sets the caret to the specified line and column.
; Syntax.........: _GUICtrlEdit_SetPos ( $hWnd, $iLine [, $iColumn] )
; Parameters.....: $hWnd    - Handle or identifier (controlID) to the control.
;                  $iLine   - The zero-based index of the line on which must set the caret. If this parameter is (-1),
;                             the caret will be set on the last line.
;                  $iColumn - The zero-based index of the column on which must set the caret. If this parameter is (-1),
;                             the caret will be set at the end of the specified line. Default is 0.
; Return values..: Success  - 1.
;                  Failure  - 0 and sets the @error flag to non-zero.
; Author.........: Yashied
; Modified.......:
; Remarks........: None
; Related........: _GUICtrlEdit_Scroll(), _GUICtrlEdit_SetSel()
; Link...........: None
; Example........: Yes
; ===============================================================================================================================

Func _GUICtrlEdit_SetPos($hWnd, $iLine, $iColumn = 0)

	If Not IsHWnd($hWnd) Then
		$hWnd = GUICtrlGetHandle($hWnd)
		If $hWnd = 0 Then
			Return SetError(1, 0, 0)
		EndIf
	EndIf

	Local $Lenght, $Num = 0, $Count = _GUICtrlEdit_GetLineCount($hWnd)

	If $iLine > $Count - 1 Then
		$Num = _GUICtrlEdit_GetTextLen($hWnd)
	Else
		If $iLine < 0 Then
			$iLine = $Count - 1
		EndIf
		For $i = 0 To $iLine - 1
			$Num += _GUICtrlEdit_LineLength($hWnd, $i) + 2 ; + @CR + @LF
		Next
		$Lenght = _GUICtrlEdit_LineLength($hWnd, $iLine)
		If ($iColumn < 0) Or ($iColumn > $Lenght) Then
			$iColumn = $Lenght
		EndIf
		$Num += $iColumn
	EndIf
	_GUICtrlEdit_SetSel($hWnd, $Num, $Num)
	_GUICtrlEdit_Scroll($hWnd, $SB_SCROLLCARET)
	Return 1
EndFunc   ;==>_GUICtrlEdit_SetPos