Creates a region that envelops the point data in an HPENDATA
HRGN CreatePenDataRegion( HPENDATA hpndt, UINT uType )
Handle to the HPENDATA
Type of region to create. This can be one of the following values:
The bounding box of the pen data ink is converted to a region.
The pen data describes a lasso that makes up the boundary of the region. If
the last point of the pen data does not coincide with the first point, a closed
figure is created either by joining the endpoints with a straight line or by
using the intersection point of the beginning and ending line segments, whichever
is more appropriate. Only the first stroke is used; if the pen data has more
than a single stroke, subsequent strokes are ignored.
This function returns a handle to a region if successful; otherwise the return
value is NULL.
The coordinates of the region are the same as those used in the pen data. It
is the application's responsibility to remove the region when the application is
finished with it, using the Windows DeleteObject
enables an application to determine the screen area a gesture such as lasso
or cut applies to. For an example of how to use the CreatePenDataRegion
function to determine the area of a gesture, see the section
"DoDefaultPenInput Messages" in Chapter 2, "Starting Out with System Defaults."
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