Function Reference


_GUICtrlRichEdit_GetScrollPos

Gets the Scrolling position of the control

#include <GuiRichEdit.au3>
_GUICtrlRichEdit_GetScrollPos ( $hWnd )

Parameters

$hWnd Handle to the control

Return Value

Success: an array containing [x, y]
Failure: sets the @error flag to non-zero.
@error: 101 - $hWnd is not a handle

Remarks

The scrolling position is the upper left corner of the control.

Related

_GUICtrlRichEdit_GetSelAA, _GUICtrlRichEdit_SetScrollPos

See Also

Search EM_GETSCROLLPOS in MSDN Library.

Example

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

Global $g_idLblMsg, $g_hRichEdit

Example()

Func Example()
        Local $hGui = GUICreate("RichEdit Get/Set Scroll Pos (v" & @AutoItVersion & ")", 360, 350, -1, -1)
        $g_hRichEdit = _GUICtrlRichEdit_Create($hGui, "", 10, 10, 340, 220, _
                        BitOR($ES_MULTILINE, $WS_VSCROLL, $ES_AUTOVSCROLL))
        $g_idLblMsg = GUICtrlCreateLabel("", 10, 235, 300, 60)
        Local $idBtnNext = GUICtrlCreateButton("Next", 270, 310, 40, 30)
        GUISetState(@SW_SHOW)

        _GUICtrlRichEdit_SetText($g_hRichEdit, "Paragraph 1")
        For $i = 2 To 20
                _GUICtrlRichEdit_AppendText($g_hRichEdit, @CRLF & "Paragraph " & $i)
        Next
        Report("0. Initially scrolled to show insertion point")

        Local $iMsg, $iStep = 0
        While True
                $iMsg = GUIGetMsg()
                Select
                        Case $iMsg = $GUI_EVENT_CLOSE
                                _GUICtrlRichEdit_Destroy($g_hRichEdit) ; needed unless script crashes
                                ; GUIDelete()   ; is OK too
                                Exit
                        Case $iMsg = $idBtnNext
                                $iStep += 1
                                Switch $iStep
                                        Case 1
                                                _GUICtrlRichEdit_SetScrollPos($g_hRichEdit, 0, 0)
                                                Report("1. Scrolled to top")
                                        Case 2
                                                _GUICtrlRichEdit_SetScrollPos($g_hRichEdit, 7, 22)
                                                Report("2. Scrolled down a bit, and to the right")
                                                GUICtrlSetState($idBtnNext, $GUI_DISABLE)
                                EndSwitch
                EndSelect
        WEnd
EndFunc   ;==>Example

Func Report($sMsg)
        Local $aPos = _GUICtrlRichEdit_GetScrollPos($g_hRichEdit)
        $sMsg = $sMsg & @CRLF & @CRLF & "Get function returns " & $aPos[0] & ";" & $aPos[1]
        GUICtrlSetData($g_idLblMsg, $sMsg)
EndFunc   ;==>Report