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public delegate void drawHandler(double speed);
private event drawHandler OnDraw;
public void AddPoint(double speed)//主界面收到数据后调用这个方法
{
OnDraw=new drawHandler(receive_data);
this.BeginImvoke(OnDraw,speed);
}
void receive_data(double speed)
{
...
chart1.Series[0].Points.AddY(speed);
...
}