TupleExtensionMethod.cs

public static class TupleExtensions
{
  public static Point ToPoint(this (int x, int y) self) => new Point(x,y);
  public static (int x, int y) => ToTuple(this Point self) => (self.X, self.Y);
}

// First, let's create a new point.
var p = new Point(10,20);
// And deconstruct it with converting it a tuple first with ToTuple extension method.
var (x,y) = p.ToTuple();
// At last, create a tuple using x and y variables and convert it to a point using ToPoint extension method.
var p2 = (x,y).ToPoint();