CenterRotateMapDlg

in this there is a overview of wsn

音频 频谱实现代码 主要是通过傅立叶变化(Audio Equalizer With And Without DirectSound(ParamEq DMO))

实现可靠的UDP封装传输类，可以进行多点传输，采用超时重发机制(Reliable transmission of UDP encapsulation type, can be multi-point transmission, the use of timeout retransmission mechanism)

本地access文件夹读取，并查询后自动打印(The local access folder reads and prints automatically after querying)

vc++ado -odbc交互的数据库查寻操作和添加，(vc++ado-odbc interaction database search operation and add)

说明：  自己写的一个可以屏蔽系统键的程序，可以屏蔽WIN键，当然你可以修改其他屏蔽键！（玩魔兽时防止按错退出写的一个自己用的辅助工具）(himself in a system can shield key procedures, shielding WIN button, of course, you can modify other shielding keys! (Barry wrong by preventing the withdrawal was made with one of his aids))

获取计算机IP地址。可以试试看。源码用C++实现(C++)

检测NAT类型的客户端，程序中指定了服务器IP地址，用户可以自行修改(Detect NAT type of the client, the program specifies the server IP address, the user can modify)

bezier曲线画矢量字.仅仅有演示效果没有进行交互设计，多多指教多多包含(bezier curve ，c++)

说明：  在DSP5509A上实现的DA转换，可以直接在DSP上面实现(Implemented on the DSP5509A DA conversion can be achieved directly in the DSP top)