"Integration of the Standard Template Library and the Microsoft Foundation Class" - читать интересную книгу автора (Wolfgang Paul, Song Yang)
2.2 Type definitions
2.2.1 MFC Implementation
In the MFC implementation, the list of strokes is stored in the member m_strokeList which is defined as a CTypedPtrList‹CObject, CStroke*›. The class CStroke, in turn, contains a CArray‹CPoint, CPoint› to contain the array of points that constitute the stroke.