（1）新建、打开和保存地图文档

将不同格式的数据转换成cstring格式，很方便，文件存在txt文件中(different data format conversion cstring format, is a convenient, the paper documents exist txt)

单片机ds1302程序，能够实现时间的自动更新，掉电不消失(Ds1302 chip program, to achieve the automatic time update, power down does not disappear)

CodeScales.Http

Many of us wish to create our own video games. For some, gaming is a hobby, and for others it is something fun to participate in casually. But for the rest of us, gaming and the dream of making our own games is more like a passion. Chances are, if you’ve purchased this book, you are looking to turn your desire and passion into something you can play and share with others.

说明：  利用matlab的gui设计的带有输入和输出功能的界面图形，实现等距线可视性很强，自己独立编写的数据和图形，学习非常值得,实现BP压缩图像，c语言(Uses the Matlab GUI design with the input and output function interface graphics, realizes the isometric line visibility is very strong, independently compiles the data and graphics, the study is very worthwhile, realizes the BP compression image, the C language.)

说明：  四旋翼飞行器IAR源代码双环两级控制姿态 超声波定高 光流定点 循迹(Four-Rotor Aircraft IAR Source Code Dual-Loop Two-stage Attitude Control Ultrasound High Optical Flow Fixed-Point Tracking)

C#编写的一个生成长方体的小程序，可以用来做姿态演示。(C# write a generation of the cuboid small procedures, can be used to do attitude demo.)

ldc1314的配置，读取数值并在stm32f4的开发板上显示(Ldc1314 configuration, read values and display them on stm32f4 development board)

MFC的小程序，打开文本的STL文件，并实现缩放、旋转、计算体积、表面积功能(MFC applet, open the text of STL file, and zoom in, rotate, calculate volume, surface area function)

说明：  自定义时间轴，Custom Slider，WPF编程 C#编程，Window自定义控件(Timeline Control)