/// <summary>
/// 获取起点
/// </summary>
/// <param name="line"><see cref="ISketchLine"/></param>
/// <returns><see cref="ISketchPoint"/></returns>
public static ISketchPoint GetStartPoint2Ex(this ISketchLine line)
{
return(line.GetStartPoint2() as ISketchPoint);
}
/// <summary>
/// 获取<see cref="Vector3"/> 类型的起点
/// </summary>
/// <param name="line"><see cref="ISketchLine"/></param>
/// <returns><see cref="Vector3"/></returns>
public static Vector3 GetStartPointEx(this ISketchLine line)
{
var startPoint = line.GetStartPoint2() as ISketchPoint;
return(new Vector3(startPoint.X, startPoint.Y, startPoint.Z));
}
