单文档的用户管理(数据与视图分离)

void CUserManageView::OnDraw(CDC* pDC) { CUserManageDoc* pDoc = GetDocument(); int iBeginX = 100 ,iBeginY = 100 ; int iWidth = 40 , int iHeight = 25; int iUserNum = 3 ; int iEndX = iBeginX + iWidth * iUserNum ; int iEndY = iBeginY + iHeight * iUserNum; //设置空刷子 HGDIOBJ hOldGDI = pDC->Sele