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绘制波形图

上传者: weixin_44010872 | 上传时间:2021/4/12 6:49:44 | 文件大小:23.9MB | 文件类型:RAR
绘制波形图
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初一个数据,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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