Point3d point = new Point3d(1, 2, 3);
Point3d p1 = new Point3d(1, 2, 3); Point3d p2 = new Point3d(4, 5, 6); double distance = p1.DistanceTo(p2);
Point3d p1 = new Point3d(1, 2, 3); Point3d p2 = new Point3d(4, 5, 6); Point3d result = p1 + p2;These examples use the Point3d class from the System.Windows.Media.Media3D namespace, which is part of the WindowsBase.dll package.