EastDraw

集中介绍了HDC,CDC,CClientDC,CPaintDC,CWindowDC的使用方法和区别，绘图显示效果，区分窗口客户区。(Focus on the HDC, CDC, CClientDC, CPaintDC, CWindowDC to use and distinction, graphics effects, to distinguish the window client area.)

for PSCAD softwear it can be very easy and coming soon challenger in this soft

随机生成一堆杂乱数据，借助RANSAC和贝塞尔样条拟合出曲线形状，使之最大程度拟合数据(Do the three degree Bezier Spline fitting based on RANSAC)

ObjectARX开发，配电网，网络绘制，潮流计算，可靠性分析等(ObjectARX development, distribution network, network rendering, flow calculation, reliability analysis, etc.)

能实现椭圆曲线密码的加密解密过程，功能齐全，易于实现(Can realize the elliptic curve cryptography decipher process, function is complete, easy to realize)

说明：  MFC坐标系的绘制，动态显示曲线，感兴趣的可以参考下~~(MFC frame rendering, dynamic display curves of interest can refer to the following ~ ~)

本代码是进行齿轮参数设计和参数校核，参数化绘制二维工程图的源代码(gear parameters for the design and verification parameters, parametric mapping of two-dimensional engineering drawings source code)

关于三轴雕刻机用C语言实现，此为C方式下实现绘画CAD图。(About three-axis engraving machine with C language, this is C mode drawing CAD drawings.)

风力发电机的浆距控制PSCAD仿真模型,模型通过仿真可以看到如何调节风力机的浆距(Wind turbine pitch control PSCAD simulation model, model simulation you can see how to adjust the pitch of the wind turbine)

手动绘制点，自动生成样条曲线，可以拖动修改点来修改样条曲线(Manually plotting points, automatically generated spline curves, you can drag the modified point to modify the spline)