完整的表格设计器代码，可以自行绘制图形，主要体现对没有事件的控件的操作。-Complete the form designer code, you can draw their own graphics, mainly reflected the absence of the operation of the control events.

把鼠标的三个事件响应函数OnLButtonDown，OnMouseMove，OnRButtonUp封装在同一个类Controller中。MFC程序中的M-V-C，控制器编程-Three mouse events response function OnLButtonDown, OnMouseMove, OnRButtonUp, packaged in the same class Controller. The MFC program MVC, controller programming

opengl中点画圆算法，增添了鼠标控制事件等-opengl midpoint circle algorithm Adds mouse control events, etc.

opengl绘制立方体着色，增添鼠标控制事件，控制立方体3条坐标轴旋转，使立方体旋转-opengl draw colored cubes, add mouse control events, control cube three axes of rotation, so that the rotating cube