quadtree

exercise 6 ssd 5 or ssd4

一个可以多选的树控件，扩展MFC标准的CTreeCtrl。(One can choose the tree control, expand the MFC standard CTreeCtrl.)

treeview遍历磁盘，查询磁盘的文件夹和文件，点击文件夹，可在listview里面显示出文件夹内的文件和文件夹(Treeview traversal disks, folders and files, query disk click folder, can display the folder of files and folders in listview.)

学习C_++ builder 和 delphi 时候用到的一些 有用的例子，对于爱好这可能绘有些 帮助，(Learning C_++ Builder and delphi when used with some useful examples, for loving this may draw some help,)

编译过可运行的PSK31通信程序,可运行,原代码已上传(Compiled runnable PSK31 communication program, runnable, the original code has been uploaded)

实现treectrl的显示效果，可以任意更改子项的内容加上图标等(Achieve treectrl the display, you can arbitrarily change the contents of children with icons)

A simple example of audio communication, using a full-duplex mode of communication,

treeView节点选中事件.和一个遍历系统文件。(a event on or click of a treview.And a example show all system files selected by user.)

说明：  opnet的应用实例,说明很详细,适合初学者使用(an example of the application of opnet, which is detailed and is suitable for beginners)

能自动遍历文件夹下文件，并将其显示到列表框中。(It can look for the files of the folder automaticlly and display the data to edit .)