IE_SETDRAWOPTS
Sets the ink
drawing option.
Parameters
wParam
Contains the
drawing option.
|
Constant |
Description |
|
IEDO_FAST |
Drawing is
done as fast as possible. This is the default setting. |
|
IEDO_NONE |
No drawing
is done (disabled drawing). |
|
IEDO_SAVEUPSTROKES |
Save pen-up
strokes in the HPENDATA object. |
lParam
Not used;
must be 0.
Return Value
Returns
IER_OK if successful; the previous draw option is returned in the high-order
word; otherwise, returns one of the following:
|
Constant |
Description |
|
IER_PARAMERR |
wParam or lParam is invalid. |
|
IER_OWNERDRAW |
The control
is an owner-draw control; setting draw options is invalid. |
|
IER_SECURITY |
The control
has security protection disallowing the operation. |
Comments
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 object.