VC++图形绘制与图片显示小例子,MFC的与设备无关的图形设备环境类CDC的应用和MFC中图像处理类CImage的应用例子，在对话框中显示图片，绘制图形-VC++ graphics rendering and picture shows a small example, MFC has nothing to do with the equipment, graphics equipment, environmental CDC in MFC application and type of ima