NTGraph两个简单的小程序，分别都是用NTGraph控件编写的，两个都显示随机波形，只是对NTGraph界面设置不同，值得初学者很好的参考-Two simple applet NTGraph, respectively, are used written in NTGraph control, both random waveform is displayed, set different just NTGraph interface, it is a good reference for