WM_UNDO message
An application sends a WM_UNDO message to an edit control to undo the last operation. When this message is sent to an edit control, the previously deleted text is restored or the previously added text is deleted.
Parameters
-
wParam
-
Not used; must be zero.
-
lParam
-
Not used; must be zero.
Return value
If the message succeeds, the return value is TRUE.
If the message fails, the return value is FALSE.
Remarks
Rich Edit: It is recommended that EM_UNDO be used instead of WM_UNDO.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|