Method Rect64

CSharp/Clipper2Lib/Clipper.Core.cs:256–262

(long l, long t, long r, long b)

    public long bottom;

    public Rect64(long l, long t, long r, long b)
    {
      left = l;
      top = t;
      right = r;
      bottom = b;
    }

    public Rect64(bool isValid)
    {