我们知道，Visual C++的CBitmap类和静态图片控件的功能是比较弱的，它只能显示出在资源中的图标、位图、光标以及图元文件的内容，而不像VB中的Image控件可以显示出绝大多数的外部图像文件(BMP、GIF、JPEG等)。因此，想要在对话框或其他窗口中显示外部图像文件则只能借助于第三方提供的控件或代码。现在，MFC和ATL共享的新类CImage为图像处理提供了许多相应的方法，这使得Visual C++在图像方面的缺憾一去不复返了。-We know that the Visual C++ the CBitmap class and static picture control function is relatively weak, it only shows the icon resources, bitmaps, cursors, as well as the contents of the metafile, rather than the Image control in VB show the vast majority of external image files (BMP, GIF,, JPEG, etc.). Therefore, I want to display external image files in a dialog or other window only by means of third party controls or code. Now, new class CImage MFC and ATL shared many of the corresponding method for image processing, which makes the Visual C++ of defects in the image is gone forever.