public static void Four2d(ref double x, ref double y, FourPara four)
{
Four2d(ref x, ref y, four.DX, four.DY, four.R, four.S, FourPara.Mode2Str(four.Mode));
}
public void Four(double x1, double y1, out double x2, out double y2,
FourPara four)
{
Four(x1, y1, out x2, out y2, four.DX, four.DY, four.R, four.S, FourPara.Mode2Str(four.Mode));
}