/// <summary> 绘制图例 </summary>
void BindLegend(ICurveEntitySource item)
{
LineLegendItem l = new LineLegendItem(item);
Style s = this.FindResource("DefaultLineLegendItem") as Style;
l.Style = s;
this.legend.AddLegendItem(l);
}
public LineLegendItem(ICurveEntitySource c)
{
_curve = c;
this.Color = c.Color;
this.Text = c.Text;
this.Marker = c.Marker?.Clone();
this.Checked += LineLegendItem_Checked;
this.Unchecked += LineLegendItem_Checked;
}