绘制波形图

上传者: 44010872 | 上传时间: 2019-12-21 21:50:04 | 文件大小: 23.9MB | 文件类型: RAR
在对话框上有一个Picture控件,将此控件的背景填充为黑色;启动一个定时器,每次定时器到时,所有波形数据都前移一个单位,并获取一个80以内的随机数作为波形的最后一个数据,然后以绿色画笔在绘图控件上绘制波形。这样就实现了波形的绘制及动态变化。

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