Introduction - If you have any usage issues, please Google them yourself
4 mouse support add graphics rendering commands 1 add data classes CShapeBase 2 of 3 Add line color/fill color command the support of more than 5 Figure 6 select 7 rubber band drawing int nOld = dc.SetROP2 (R2_NOTXORPEN) pShape-> Draw ( & dc) //to erase pShape-> m_PtEnd = point pShape-> Draw (& dc) //the draw dc.SetROP2 (nOld)