鼠标拖动绘制彩色曲线，测试Slider控件。使用VB右击功能。-mouse drive mapping color curve, slider control tests. VB right click function.

在vb中添加picturebox控件，通过鼠标动态移动实现曲线的绘制。-Add in vb picturebox control, achieved by moving the mouse dynamic curve drawing.

模仿AutoCAD鼠标滚轮功能用vb实现滚轮控制图像缩放。同时实现了二维图对象选择等功能。-AutoCAD Mouse Wheel function of imitation achieved using vb wheel control image scaling. While achieving a two-dimensional map objects selection and other functions.

Spline曲线拟合的VB源代，根据鼠标的轨迹画出弧线，鼠标在右侧窗体的空白处单击，会留下圆圈，留下一定数量的圆圈后（至少两个）后，点击左上角的“运算曲线”按钮，即可将圆圈圈成线，绘制出图形。-Spline curve fitting VB source code, based on the trajectory of the mouse to draw an arc, a mouse click on a blank form on the right side, will leave the

VB鼠标坐标点获取，XY坐标信息，随着鼠标的移动，XY坐标会分别显示在程序窗口的方框内，并可限制鼠标只在本窗口的范围内移动。-VB point obtaining mouse coordinates, XY coordinate information, with the movement of the mouse, XY coordinates will show in the box of the program window, and can restrict mouse movement