MFC控件----类似于侧边栏的窗口类,是电子书，里面有讲解和代码，很实用。-Similar to the sidebar of the window class, the book, there are explanations and code, very useful

使用VB编写的WINDOWS 图标侧边栏,可以修改了自己用-Prepared using the VB sidebar WINDOWS icon, you can modify its own use