[StructLayout(LayoutKind.Explicit)]  public struct IP  {      public IP(UInt32 value)      {          this._text1 = 0;          this._text2 = 0;          this._text3 = 0;          this._text4 = 0;          this._value = value;      }      public IP(Byte text1, Byte text2, Byte text3, Byte text4)      {          this._value = 0;          this._text1 = text1;          this._text2 = text2;          this._text3 = text3;          this._text4 = text4;      }      [FieldOffset(0)]      private UInt32 _value;      [FieldOffset(0)]      private Byte _text1;      [FieldOffset(1)]      private Byte _text2;      [FieldOffset(2)]      private Byte _text3;      [FieldOffset(3)]      private Byte _text4;      public UInt32 Value      {          get { return this._value; }          set { this._value = value; }      }      public Byte Text1      {          get { return this._text1; }          set { this._text1 = value; }      }      public Byte Text2      {          get { return this._text2; }          set { this._text2 = value; }      }      public Byte Text3      {          get { return this._text3; }          set { this._text3 = value; }      }      public Byte Text4      {          get { return this._text4; }          set { this._text4 = value; }      }      public override string ToString()      {          return String.Format("{0}.{1}.{2}.{3}", this._text1.ToString(), this._text2.ToString(),              this._text3.ToString(), this._text4.ToString());      }      public static implicit operator IP(UInt32 value)      {          return new IP(value);      }      public static explicit operator UInt32(IP ip)      {          return ip._value;      }  }

class Program  {      static void Main(string[] args)      {          IP ip = new IP(192,168,1,1);          Console.WriteLine(ip);          UInt32 value = (UInt32)ip;          Console.WriteLine(value);          Console.WriteLine(ip.Value);          IP ip2 = (IP)(1234567);          Console.WriteLine(ip2);          Console.ReadKey();      }  }