From Tracker Software PDF SDK
Removes points from the polygon's points array.
HRESULT Remove([in] ULONG nIndex, [in, defaultvalue(1)] ULONG nCount);
- [in] Value of ULONG containing the starting index of items in the array that should be removed.
- [in, defaultvalue(1)] Value of ULONG containing the number of items that should be removed.
Returns S_OK if operation was successful or error code in other cases.