Class KhungInfor (Không bắt buộc)

1 Thêm class KhungInfor.cs

Lưu mã sau dưới dạng tệp tin KhungInfor.cs

Code:

    public class KhungInfor
    {
        public Curve Left { get; set; }
        public Curve Right { get; set; }
        public Curve Mid { get; set; }
        public Curve Frame { get; set; }
        public int Index { get; internal set; }
        public DBText DBText { get; internal set; }
        public Point3d Center { get; internal set; }
        public Point3dCollection Coordinates { get; internal set; }
        public ObjectId FrameId { get; internal set; }
        public double Rotation { get; internal set; }
        public Vector3d ViewDirection { get; internal set; }
    }

Mã code xoay Viewport

2 Xoay theo thông số khung.Rotation

Code:

	if (rotate)
	{
		var khung = ks.FirstOrDefault(x => x.Center.Inside(cv.Coordinates()));
		if (khung != null)
		{
			vp.TwistAngle += -khung.Rotation;
			vp.ViewCenter = vp.ViewCenter.TransformBy(Matrix2d.Rotation(-khung.Rotation, Point2d.Origin));
		}
	}
	vp.UpdateDisplay();