Sets the ink drawing option.
Contains the drawing option.
||Drawing is done as fast as possible. This is the default setting.
||No drawing is done (disabled drawing).
||Save pen-up strokes in the HPENDATA object.
Not used; must be 0.
Returns IER_OK if successful; the previous draw option is returned in the
high-order word; otherwise, returns one of the following:
||wParam or lParam is invalid.
||The control is an owner-draw control; setting draw options is invalid.
||The control has security protection disallowing the operation.
Unlike using the WM_SETREDRAW message, IEDO_NONE controls only the drawing of
the ink. The control's background, grid lines, and so forth are redrawn as
usual. By default, pen-up strokes are not saved in the HPENDATA
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