EN_STOPNOUNDO Overview  Group

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

NMHDR, WM_NOTIFY