把整个桌面屏幕截图，保存下来，然后把对话框设置全屏顶层窗口，然后把保存下来的位图，在OnEraseBkgnd中把整个位图贴到对话框上，然后用像皮筋类选择截取范围，看起来就像操作屏幕一样-entire desktop screenshots, preserved and then set up full-screen dialog top window, then the preservation of the bitmap, in which the entire OnEraseBkgnd Bi

把任一窗口的内容存为位图,把编辑框中的文字存为位图,当然,你也可以按照这个思路,你也可以把任何控件、窗口里的东西当作位图来存储-put the contents of a window to deposit Bitmap, and the text editing box to deposit bitmap, of course, You can also According to this idea, you can put any controls, window Lane things a

对话框打开bmp位图，附加图像处理功能，VC++程序编写-Bmp Bitmap dialog box opens, additional image processing functions, VC++ programming

对话框打开bmp位图并处，亮度，灰度，对比度，二值化。-Bmp bitmap impose dialog box opens, brightness, grayscale, contrast, binarization.