Notifies a rich edit control's parent window that an action occurred for which the control cannot allocate enough memory to maintain the undo state. A rich edit control sends this notification message in the form of a WM_NOTIFY message.
EN_STOPNOUNDO
wParam = (WPARAM) (UINT) uID;
lParam = (LPARAM) (NMHDR FAR *) lpNmHdr;
Parameters
uID
Identifier of the rich edit control.
lpNmHdr
Pointer to an NMHDR structure.
Return Values
Returns zero to continue the action, nonzero to stop it.
See Also