DontAsk.WontTell

public static class GuidIntConverter
{
	public static Guid ToGuid(int integer)
	{
		return new GuidConverter(integer).Guid;
	}

	public static int ToInt(Guid guid)
	{
		return new GuidConverter(guid).Integer;
	}

	[StructLayout(LayoutKind.Explicit)]
	private struct GuidConverter
	{
		public GuidConverter(int integer)
			: this()
		{
			Integer = integer;
		}

		public GuidConverter(Guid guid)
			: this()
		{
			Guid = guid;
		}

		[FieldOffset(0)]
		public readonly int Integer;

		[FieldOffset(0)]
		public readonly Guid Guid;
	}
}