C#

protected RDPSession _rdpSession = null;
private string invitation;

public ITMgmt()
{
    InitializeComponent();
}

protected override void OnStart(string[] args)
{
    _rdpSession = new RDPSession();
    _rdpSession.OnAttendeeConnected += new _IRDPSessionEvents_OnAttendeeConnectedEventHandler(OnAttendeeConnected);
    _rdpSession.OnAttendeeDisconnected += new _IRDPSessionEvents_OnAttendeeDisconnectedEventHandler(OnAttendeeDisconnected);
    _rdpSession.OnControlLevelChangeRequest += new _IRDPSessionEvents_OnControlLevelChangeRequestEventHandler(OnControlLevelChangeRequest);

    _rdpSession.Open();
    IRDPSRAPIInvitation pInvitation = _rdpSession.Invitations.CreateInvitation("WinPresenter", "PresentationGroup", "", 5);
    invitation = pInvitation.ConnectionString;

    using (StreamWriter sw = File.CreateText("c:\\inv.xml"))
    {
        sw.WriteLine(invitation);
    }

}

private void OnAttendeeConnected(object Attendee)
{
    IRDPSRAPIAttendee pAttendee = Attendee as IRDPSRAPIAttendee;
    pAttendee.ControlLevel = CTRL_LEVEL.CTRL_LEVEL_VIEW;
    EventLog.WriteEntry("IT Management", "Connected: " + pAttendee.RemoteName, EventLogEntryType.Information);
}

private void OnAttendeeDisconnected(object Attendee)
{
    IRDPSRAPIAttendee pAttendee = Attendee as IRDPSRAPIAttendee;
    EventLog.WriteEntry("IT Management", "Disconnected: " + pAttendee.RemoteName, EventLogEntryType.Information);
}

private void OnControlLevelChangeRequest(object pObjAttendee, CTRL_LEVEL RequestedLevel)
{
}

int WM_Paint_Handler(
        IntPtr hwnd, uint msg, uint wParam, int lParam,
        ref bool handled)
    {
        Win32.PAINTSTRUCT ps = new Win32.PAINTSTRUCT();

        Graphics gr = Graphics.FromHdc(Win32.BeginPaint(hwnd, ref ps));
        DrawButton(gr, this.Capture &&
            (this.ClientRectangle.Contains(lastCursorCoordinates)));
        gr.Dispose();
        Win32.EndPaint(hwnd, ref ps);
        handled = true;
        return 0;
    }

int i = 0;<br />
      int j = 0;<br />
<br />
         for (i = 0; i <= dtgView.RowCount -1; i++)<br />
              {<br />
            for (j = 0; j <= dtgView.ColumnCount-1; j++)<br />
               {<br />
              DataGridViewCell dtgcell = dtgView[j, i];<br />
              excelWorksheet.Cells[i+2, j+1] = dtgcell.Value.ToString();<br />
                  }<br />
                   }

private void MessageRecvd(string Msg)
{
//.....code
}

private void MessageRecvd(string Msg)
{
    lock(this)
    {
       //.....code
    }
}

private Object lockMsgRecv = new Object();
private void MessageRecvd(string Msg)
{
    lock(lockMsgRecv )
    {
       //.....code
    }
}