IE_GETPAINTDC
Retrieves the
handle to the device context (HDC), which is used to paint an ink edit
control. This HDC was supplied to the iedit control by BeginPaint; therefore, its clipping
region is set according to those portions of the iedit control that have been
invalidated.
Parameters
wParam
Not used;
must be 0.
lParam
Not used;
must be 0.
Return Value
Returns the HDC
if successful; otherwise, returns one of the following:
|
Constant |
Description |
|
IER_PARAMERR |
wParam or lParam is invalid. |
|
IER_NOTINPAINT |
Attempted
IE_GETPAINTDC outside of paint notification. |
Comments
The
application can send this message only when the parent window is processing one
of the painting notifications: IN_PREPAINT, IN_PAINT, IN_POSTPAINT, or
IN_ERASEBKGND. An attempt to send it at any other time will fail, returning
IER_NOTINPAINT.
The clipping
region is already appropriately set when sending IE_GETPAINTDC. The HDC
is in the MM_TEXT mapping mode. The HDC must not be released; the iedit
control does this after returning from the painting notification.