Function Reference


_GUICtrlRichEdit_SetZoom

Sets zoom level of the control

#include <GuiRichEdit.au3>
_GUICtrlRichEdit_SetZoom ( $hWnd, $iPercent )

Parameters

$hWnd Handle to the control
$iPercent percentage zoom
values: Between 1.57 and 6469

Return Value

Success: True.
Failure: False and sets the @error flag to non-zero.
@error: 101 - $hWnd is not a handle
1021 - $iPercent is not a positive number

Related

_GUICtrlRichEdit_GetZoom

See Also

Search EM_SETZOOM in MSDN Library.

Example

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

Global $g_idLbl_Msg

Example()

Func Example()
    Local $hGui = GUICreate("RichEdit Get/Set Zoom (v" & @AutoItVersion & ")", 360, 350, -1, -1)
    Local $hRichEdit = _GUICtrlRichEdit_Create($hGui, "This is a test.", 10, 10, 340, 220, _
            BitOR($ES_MULTILINE, $WS_VSCROLL, $ES_AUTOVSCROLL))
    $g_idLbl_Msg = GUICtrlCreateLabel("", 10, 235, 300, 60)
    Local $idBtn_Next = GUICtrlCreateButton("Next", 270, 310, 40, 30)
    GUISetState(@SW_SHOW)

    _GUICtrlRichEdit_AppendText($hRichEdit, @CRLF & "This is appended text.")

    Local $iMsg, $iStep = 0
    While True
        $iMsg = GUIGetMsg()
        Select
            Case $iMsg = $GUI_EVENT_CLOSE
                _GUICtrlRichEdit_Destroy($hRichEdit) ; needed unless script crashes
                ; GUIDelete()   ; is OK too
                Exit
            Case $iMsg = $idBtn_Next
                $iStep += 1
                Switch $iStep
                    Case 1
                        Report("1.Now zoomed to " & _GUICtrlRichEdit_GetZoom($hRichEdit) & "%")
                    Case 2
                        _GUICtrlRichEdit_SetZoom($hRichEdit, 6369) ; Max
                        Report("2.Now zoomed to " & _GUICtrlRichEdit_GetZoom($hRichEdit) & "% Maximum value")
                    Case 3
                        _GUICtrlRichEdit_SetZoom($hRichEdit, 1.57) ; Min
                        Report("3.Now zoomed to " & _GUICtrlRichEdit_GetZoom($hRichEdit) & "% Minimum value")
                    Case 4
                        _GUICtrlRichEdit_SetZoom($hRichEdit, 100)
                        Report("4.Now zoomed reset to " & _GUICtrlRichEdit_GetZoom($hRichEdit) & "%")
                        GUICtrlSetState($idBtn_Next, $GUI_DISABLE)
                EndSwitch
        EndSelect
    WEnd
EndFunc   ;==>Example

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