/// <summary>
/// 拖动时将点集绘到指定画布
/// </summary>
/// <param name="pc">点集</param>
/// <param name="iCanvas">画布层次，默认为最下层画布</param>
private Path LBDragDrawPointsData(PointCollection pc, int cIndex)
{
oxy = OXY.LeftBottom;
//通过计算方式实现坐标转换
//DrawPointsData(TTBTransPoints(VPTGP(pc, cIndex), cIndex), cIndex);
return(DragDrawPointsData(VPTGP(pc, cIndex), cIndex));//方法内使用了翻转效果，减少一次坐标转换过程
}
/// <summary>
/// 绘点集，该方法会以左下角为坐标原点将点集绘出
/// </summary>
/// <param name="pc">传入的点集</param>
/// <param name="iCanvas">某个Canvas</param>
private void LBDrawPointsData(PointCollection pc, int iCanvas)
{
oxy = OXY.LeftBottom;
//通过计算方式实现坐标转换
//DrawPointsData(TTBTransPoints(VPTGP(pc, iCanvas), iCanvas), iCanvas);
DrawPointsData(VPTGP(pc, iCanvas), iCanvas);//方法内使用了翻转效果，减少一次坐标转换过程
}
