内容有：模仿Outlook建立分类列表框 一个简单的数字时钟程序 可以实现在快速字符串搜索 通过单击列表来改变显示分辨率 创建一个按钮，并在上面显示图标 VC中显示JPG图片，不使用动态连接库 一个邮件报告程序 在VC中实现Undo和Redo功能 自定义的标签控件对话框-contents are : Outlook imitate established classification list frame of a simple digital clock procedures can be achieved in the fast string search by clicking the list to change the display resolution to create a button, and above show icon VC show JPG images, the non-use of a dynamic link library mail reporting procedures in VC to achieve Undo and Redo function-defined labels dialog box controls