为什么这样用CreateRectRgn,程序运行出错
void CGhView::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CRgn rgn1,rgn2,rgn0;
rgn1.CreateRectRgn(100,100,200,200);
rgn2.CreateRectRgn(300,300,400,400);
rgn0.CombineRgn(&rgn1,&rgn2,RGN_AND);
if(rgn0.PtInRegion(point))
MessageBox("in");
CView::OnLButtonDown(nFlags, point);
}
我这样用CreateRectRgn,编译没有问题,程序运行出错????问问大家哦