图形界面下绘制贝塞尔曲线，用鼠标输入控制点，然后回车键程序自动绘制贝塞尔曲线。- Drawing Bessel curve, using the mouse to enter the control point, and then enter the program to automatically draw the Bessel curve.

The implementation of the Bessel function, the VC programming-The implementation of The Bessel function, The VC programming

WPF窗体，输入起点、终点、控制点，画3阶贝塞尔曲线(WPF form, enter the starting point, end point, control point, draw 3 order Bessel curve)