コントロールのアンドゥフラグをリセットします。
#Include <GuiRichEdit.au3>
_GUICtrlRichEdit_EmptyUndoBuffer($hWnd)
パラメータ
| $hWnd | コントロールのハンドル |
返し値
| 成功: | True |
| 失敗: | Falseを返し、@errorを設定します。 |
| @error: | 101 - $hWndがハンドルではありません。 |
注意
なし。
関連
_GUICtrlRichEdit_Undo, _GUICtrlRichEdit_Redo, _GUICtrlRichEdit_SetText
こちらも参照
MSDNライブラリでEM_SETEMPTYUNDOBUFFERを検索して下さい。
例
#AutoIt3Wrapper_Au3Check_Parameters= -d -w 1 -w 2 -w 3 -w 4 -w 5 -w 6
#include <GuiRichEdit.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <GuiMenu.au3>
Global $hRichEdit, $mnu, $mnuUndo, $mnuRedo, $mnuEmpty
Main()
Func Main()
Local $hGui
$hGui = GUICreate("Example (" & StringTrimRight(@ScriptName,4) &")", 320, 350, -1, -1)
$hRichEdit = _GUICtrlRichEdit_Create($hGui, "This is a test.", 10, 10, 300, 220, _
BitOR($ES_MULTILINE, $WS_VSCROLL, $ES_AUTOVSCROLL))
GUISetState(@SW_SHOW)
GUIRegisterMsg($WM_NOTIFY, "WM_NOTIFY")
$mnu = GUICtrlCreateContextMenu(GUICtrlCreateDummy())
$mnuUndo = GUICtrlCreateMenuItem("Undo", $mnu)
$mnuRedo = GUICtrlCreateMenuItem("Redo", $mnu)
GUICtrlCreateMenuItem("", $mnu)
$mnuEmpty = GUICtrlCreateMenuItem("Empty Undo buffer", $mnu)
_GuiCtrlRichEdit_SetEventMask($hRichEdit, $ENM_MOUSEEVENTS)
While True
Switch GUIGetMsg()
Case $GUI_EVENT_CLOSE
GUIDelete()
Exit
Case $mnuUndo
_GuiCtrlRichEdit_Undo($hRichEdit)
Case $mnuRedo
_GuiCtrlRichEdit_Redo($hRichEdit)
Case $mnuEmpty
_GuiCtrlRichEdit_EmptyUndoBuffer($hRichEdit)
EndSwitch
WEnd
EndFunc ;==>Main
Func WM_NOTIFY($hWnd, $iMsg, $iWparam, $iLparam)
#forceref $iMsg, $iWparam
Local $hWndFrom, $iCode, $tNMHDR, $tMsgFilter, $hMenu
$tNMHDR = DllStructCreate($tagNMHDR, $iLparam)
$hWndFrom = HWnd(DllStructGetData($tNMHDR, "hWndFrom"))
$iCode = DllStructGetData($tNMHDR, "Code")
Switch $hWndFrom
Case $hRichEdit
Select
Case $iCode = $EN_MSGFILTER
$tMsgFilter = DllStructCreate($tagEN_MSGFILTER, $iLparam)
If DllStructGetData($tMsgFilter, "msg") = $WM_RBUTTONUP Then
$hMenu = GUICtrlGetHandle($mnu)
SetMenuTexts($hWndFrom, $hMenu)
_GUICtrlMenu_TrackPopupMenu($hMenu, $hWnd)
EndIf
EndSelect
EndSwitch
Return $GUI_RUNDEFMSG
EndFunc ;==>WM_NOTIFY
Func SetMenuTexts($hWnd, $hMenu)
If _GUICtrlRichEdit_CanUndo($hWnd) Then
_GUICtrlMenu_SetItemEnabled($hMenu, $mnuUndo, True, False)
_GUICtrlMenu_SetItemText($hMenu, $mnuUndo, "Undo: " & _GUICtrlRichEdit_GetNextUndo($hWnd), False)
_GUICtrlMenu_SetItemEnabled($hMenu, $mnuEmpty, True, False)
Else
_GUICtrlMenu_SetItemText($hMenu, $mnuUndo, "Undo", False)
_GUICtrlMenu_SetItemEnabled($hMenu, $mnuUndo, False, False)
_GUICtrlMenu_SetItemEnabled($hMenu, $mnuEmpty, False, False)
EndIf
If _GUICtrlRichEdit_CanRedo($hWnd) Then
_GUICtrlMenu_SetItemEnabled($hMenu, $mnuRedo, True, False)
_GUICtrlMenu_SetItemText($hMenu, $mnuRedo, "Redo: " & _GUICtrlRichEdit_GetNextRedo($hWnd), False)
Else
_GUICtrlMenu_SetItemText($hMenu, $mnuRedo, "Redo", False)
_GUICtrlMenu_SetItemEnabled($hMenu, $mnuRedo, False, False)
EndIf
EndFunc ;==>SetMenuTexts