Function Reference


_GUICtrlEdit_Undo

Undoes the last edit control operation in the control's undo queue

#include <GuiEdit.au3>
_GUICtrlEdit_Undo ( $hWnd )

Parameters

$hWnd Control ID/Handle to the control

Return Value

Success: True.
Failure: False.

Remarks

An undo operation can also be undone.
For example, you can restore deleted text with the first _GUICtrlEdit_Undo(), and remove the text again with a second _GUICtrlEdit_Undo() as long as there is no intervening edit operation.

Related

_GUICtrlEdit_CanUndo, _GUICtrlEdit_EmptyUndoBuffer, _GUICtrlEdit_GetModify

Example

#include <GUIConstantsEx.au3>
#include <GuiEdit.au3>
#include <MsgBoxConstants.au3>

Example()

Func Example()
    Local $idEdit

    ; Create GUI
    GUICreate("Edit Undo", 400, 300)
    $idEdit = GUICtrlCreateEdit("This is a test" & @CRLF & "Another Line", 2, 2, 394, 268)
    GUISetState(@SW_SHOW)

    _GUICtrlEdit_AppendText($idEdit, @CRLF & "Append to the end?")

    ; Undo
    MsgBox($MB_SYSTEMMODAL, "Information", "Undo")
    _GUICtrlEdit_Undo($idEdit)

    ; Loop until the user exits.
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE
    GUIDelete()
EndFunc   ;==>Example