I've got a Tile class with this method:
public object Clone()
{
return MemberwiseClone();
}
And another class Checker that inherits from Tile.
I also have a Board class that is a List<Tile>. I want to clone the board, so I wrote this:
public Board Clone()
{
var b = new Board(width, height);
foreach (var t in this) b.Add(t.Clone());
return b;
}
But it throws an error:
cannot convert from 'object' to 'Checkers.Tile'
Now I can make the Tile.Clone method return a Tile instead, but then will the MemberwiseClone copy the additional properties in the sub-Checker as well?
If that's not the problem, what's the semantic difference between the above Board.Clone method and this?
public Board Clone()
{
using (var ms = new MemoryStream())
{
var bf = new BinaryFormatter();
bf.Serialize(ms, this);
ms.Position = 0;
return (Board)bf.Deserialize(ms);
}
}
Because they're definitely having different effects on my program, even though when I print the board it looks the same. I don't think something is being cloned but a reference is being returned. The Board ctor looks like this:
public Board(int width = 8, int height = 8)
{
this.width = width;
this.height = height;
this.rowWidth = width / 2;
this.Capacity = rowWidth * height;
}
The Tile class actually doesn't have any properties. The checker just has two enums properties:
public enum Color { Black, White };
public enum Class { Man, King };
public class Checker : Tile
{
public Color Color { get; set; }
public Class Class { get; set; }