wpf切换窗口特效

三维极坐标绘图函数，将三维直角坐标系下的绘图转变为三维极坐标绘图(Three-dimensional polar coordinate drawing function, the three-dimensional Cartesian coordinates of the system into a three-dimensional polar coordinates)

在使用VFP提供的GETDIR()函数获取目录或文件夹的时候，所打开的选择窗口有一个狐狸图标，应用到自己的程序中非常的不美观，该控件可以解决次问题。-the use of VFP GETDIR () function to obtain a catalog or folders, which opened a window to choose a fox icon of the application process very ugly, the time control problems can be solved.

VC界面 悬浮窗口 很经典的代码,有需要的同学可以用一用和学一学啊()

STM32 LCD12864驱动 实现描点绘图，显示汉字，绘制波形，坐标，代码内有详细的注释，使用keil环境编写，提供函数接口，很方便就可以应用到自己的项目中去。

根据原来的路径，重新进行物流路径规划，并将所得结果输出。(According to the original path, the logistics path is re-planned and the results are output.)

俄罗斯方块源代码 用JAVA编写的一个简单的小游戏-Russian block with Java source code prepared in a simple little game

Dialogue with the robot, enter the questions you want to ask into the input box,

说明：  利用MATLAB/silulink搭建有源电力滤波器仿真(Active power filter simulation)

设计一个矩阵相乘的程序，首先从键盘输入两个矩阵a，b的内容，并输出两个矩阵，-use for qiu niu

通过matlab调用EPANET可进行水力分析计算(Hydraulic analysis and calculation can be carried out by calling EPANET through MATLAB)