VC对位图的操作比较烦琐，要显示一个位图到对话框上去，很麻烦。我在开发的过程中走通了两条路：一是使用Kodak图象编辑控件；二是利用Microsoft提供的例子中的一个类，并稍加改造。两种方法各有优缺点。我把它写下来，以避免其他人多走弯路。-VC right bitmap comparison cumbersome, to show that a bitmap to boost dialog, a lot of trouble. In the development process, taking a two-way : First, use Kodak Image Edit Control; Two Microsoft is using the example of a type, and modifying. Both methods have advantages and disadvantages. I put it down in writing in order to avoid the same mistakes other people.