vc++作的。用于显示曲线波形的程序。可以选择不同的显示方式。支持正旋波，方波和三角波。背景和曲线使用不同的颜色进行绘制-vc++ for the. The program used to display the waveform curve. You can choose a different display. Support positive spin wave, square wave and triangular wave. Background and the curve drawn