滚动显示位图,通过拖动滚动条,显示较大图象。vc++源代码-Scrolling bitmap by dragging the scroll bar to show a larger image. Source code

可调整大小的VC++对话框源码，拖着右下角就可以放大或缩小对话框，基础的窗口编程例子，希望新手能够喜欢。-Resizable dialog VC++ source, dragging the lower right corner you can zoom in or out dialog windows based programming examples, I hope novice can like.

一个图片查看器 放大缩小 拖动适合编程初学者！-A picture viewer zoom by dragging suitable programming for beginners!