private void MessageCallBack(IAsyncResult aResult)
{
try
{
byte[] receivedData = new byte[1500];
receivedData = (byte[])aResult.AsyncState;
ASCIIEncoding aEncoding = new ASCIIEncoding();
string receivedMessage = aEncoding.GetString(receivedData);
//richTextBox.AppendText(Environment.NewLine + msg);
//richTextBox.SelectionAlignment = HorizontalAlignment.Right;
if (Rchtxt_Chat.Text == "")
{
Rchtxt_Chat.SelectionColor = Color.Green;
Rchtxt_Chat.AppendText(Environment.NewLine + frm_Home.Username + " : " + receivedMessage.Trim());
Rchtxt_Chat.SelectionAlignment = HorizontalAlignment.Left;
}
else
{
Rchtxt_Chat.SelectionColor = Color.Green;
Rchtxt_Chat.AppendText(Environment.NewLine + frm_Home.Username + " : " + receivedMessage.Trim());
Rchtxt_Chat.SelectionAlignment = HorizontalAlignment.Left;
}
Buffer = new byte[1500];
socket.BeginReceiveFrom(Buffer, 0, Buffer.Length, SocketFlags.None, ref Remote, new AsyncCallback(MessageCallBack), Buffer);
}
catch (InvalidOperationException)
{
MessageBox.Show("Check your connection", "Be Connect+ - Users are not connected", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
}
private void btn_Send_Click(object sender, EventArgs e)
{
if (tn_Connect.Text == "Disconnect")
{
if (txt_Placeholder.Text != "")
{
ASCIIEncoding aEncoding = new ASCIIEncoding();
byte[] Sendmsg = new byte[1500];
Sendmsg = aEncoding.GetBytes(txt_Placeholder.Text);
socket.Send(Sendmsg);
if (Rchtxt_Chat.Text == "")
{
Rchtxt_Chat.SelectionColor = Color.Red;
Rchtxt_Chat.AppendText(Environment.NewLine + Dns.GetHostName() + " : " + txt_Placeholder.Text.Trim());
Rchtxt_Chat.SelectionAlignment = HorizontalAlignment.Right;
}
else
{
Rchtxt_Chat.SelectionColor = Color.Red;
Rchtxt_Chat.AppendText(Environment.NewLine + Dns.GetHostName() + " : " + txt_Placeholder.Text.Trim());
Rchtxt_Chat.SelectionAlignment = HorizontalAlignment.Right;
}
}
else
{
MessageBox.Show("Enter any Message to send", "Be Connect+ - No Message typed", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
txt_Placeholder.Lines = null;
txt_Placeholder.Clear();
txt_Placeholder.Focus();
Rchtxt_Chat.SelectionStart = Rchtxt_Chat.Text.Length;
Rchtxt_Chat.ScrollToCaret();
}
else
{
MessageBox.Show("Please click Connect button", "Be Connect+ - Users not connected", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
}
