Frequency-Analyser

E book contains c+ and c sharp lessons

说明：  调用打印驱动的头文件，将文件包含之后创建对象，调用方法(Call the header file of the print driver, create the object after the file is included, and call the method)

用定时器控制蝴蝶在窗口中飞舞，BitBlt函数 CBitmap类(With a timer control butterfly flying in the window, BitBlt function CBitmap class)

4730发FM/AM收音完整程序，本人实侧测OK程序(4730 rounds FM/AM radio test OK program)

1553B RT功能（使用PCI板卡的通道2实现RT功能，RT的地址和子地址设置需要与BC一致）(1553B RT function (channel 2 using the PCI card to achieve RT function, RT address and subaddress settings need consistent with the BC))

The manuscript describes performance comparison of nearest-neighbor interpolation and bilinear to reduce the complexity of decoder WZVC.

说明：  遍历文件夹并建成目录树,一个非常好的例子(Traverse Folder and build the directory tree, a very good example)

Visual C++6.0(5.0)开发工具功能非常强大，但是对于初学者来说，却有很多细节的问题需要注意。作者搜集整理了以下一些实用小技巧，希望对初学者有所帮助。 (Visual C 6.0 (5.0) development tool is very powerful, But for beginners, there are many detailed issues that require attention. Author collate some of the following practical tips, and I hope to help beginners.)

使用vc6.0 shplib库读取shp文件

界面开发；关于4DT的航迹生成系统 界面开发；关于4DT的航迹生成系统(Interface development About 4DT track generation system interface development About 4DT track generation system)