int CODRgn::PtInSubregion(POINT point, int nPadding)
Checks to see which individual polygon region the point falls within.
Defined in: OdRgn.cpp
Return Value
The index of the polygon region that the point is in, or -1 if the point is not in any of the regions.
Parameters
point
The point to check for.
nPadding
A padding value for the hit test. This is used with linear regions to give a little extra space for the test.