WinXUndo (hWnd, id)
Undoes a drawing operation.
Parameter | Description |
---|---|
hWnd | The handle to the window the drawing action was performed on |
id | The id returned by the drawing function. |
$$TRUE on success or $$FALSE on fail
The results of this function are not visible untill you call WinXUpdate
'Draw a line ... 'undo the drawing operation |