using System;
using System.Diagnostics;
using System.Net.Sockets;
using System.Text;
using System.Runtime.InteropServices;

namespace Utils
{
	/// <summary>
	/// Summary description for XMLDebugger.
	/// </summary>
	public class UdpXmlDebugger : TraceListener
	{
		public override void WriteLine(string Msg)
		{
			Write(Msg);
		}

    public override void Write(string Msg)
    {
      SendMessage(Msg);
    }

    public static void SendMessage(string Msg)
    {
      const int port = 6767;

      //Create the UdpClient
      using (UdpClient client = new UdpClient())
      {
        //Send DataGram
        UnicodeEncoding encode = new UnicodeEncoding();
        byte[] sendData = encode.GetBytes(Msg);
 
        //Send to Server 
        client.Send(sendData, sendData.Length, "localhost", port);
      }
		}
	}

  public class MessageXmlDebugger : TraceListener
  {
    // Import the SendMessage method of the User32 DLL.   
    [DllImport("user32.dll", CharSet=CharSet.Auto)]
    private static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr
      wParam, IntPtr lParam);
		
    [DllImport("user32.dll", CharSet=CharSet.Auto)]
    private static extern IntPtr FindWindow(string className, string windowName);
	
    struct COPYDATASTRUCT
    {
      public IntPtr dwData;
      public int cbData;
      public IntPtr lpData;
    }

    public override void WriteLine(string Msg)
    {
      SendMessage(Msg);
    }

    public override void Write(string Msg)
    {
      SendMessage(Msg);
    }

    public static void SendMessage(string msg)
    {
      IntPtr DebugWindow = FindWindow(null, "XML Debugger");
			
      const int WM_COPYDATA = 0x004A;
			
      if (DebugWindow != IntPtr.Zero)
      {
        IntPtr MsgPtr = Marshal.AllocCoTaskMem(msg.Length*2);
        Marshal.Copy(msg.ToCharArray(), 0, MsgPtr, msg.Length); 
				
        COPYDATASTRUCT cds;
        cds.cbData = msg.Length*2;
        cds.dwData = IntPtr.Zero;
        cds.lpData = MsgPtr;
				
        IntPtr lpar = Marshal.AllocCoTaskMem(Marshal.SizeOf(cds)); 
        Marshal.StructureToPtr(cds, lpar, false);
				
        SendMessage(DebugWindow, WM_COPYDATA, IntPtr.Zero, lpar);
				
        Marshal.FreeCoTaskMem(lpar);
        Marshal.FreeCoTaskMem(MsgPtr);
      }
    }
  }
}