/**
* Function to handle informing the server of a client disconnecting, closing the socket and quitting the application.
*/
private void ExitBtn_Click(object sender, EventArgs e)
{
AppFunctions.SendText("/exit", mClientSocket, mSendData);
mClientSocket.Shutdown(SocketShutdown.Both);
mClientSocket.Close();
Application.Exit();
}
/**
* Function for detecting when the enter key is pressed whilst focused on the sendTxt textbox and sending the data.
*/
private void SendTxt_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode.Equals(Keys.Enter))
{
AppFunctions.SendText(sendTxt.Text, mClientSocket, mSendData);
sendTxt.Clear();
e.SuppressKeyPress = true;
}
}
/**
* Function to handle sending data to the server when the send button is clicked.
*/
private void SendBtn_Click(object sender, EventArgs e)
{
try
{
AppFunctions.SendText(sendTxt.Text, mClientSocket, mSendData);
sendTxt.Clear();
}
catch (Exception)
{
UpdateControlStates(false);
}
}
/**
* Function for receiving data from the server and displaying the data received in textbox.
*/
private void ReceiveCallback(IAsyncResult AR)
{
try
{
int received = mClientSocket.EndReceive(AR);
if (received == 0)
{
return;
}
var message = Encoding.ASCII.GetString(mReceivedData).TrimEnd('\0');
AppFunctions.AppendTextBox(message, receivedTxt);
mClientSocket.BeginReceive(mReceivedData, 0, mReceivedData.Length, SocketFlags.None, ReceiveCallback, null);
Array.Clear(mReceivedData, 0, mReceivedData.Length);
}
catch (SocketException) { }
catch (ObjectDisposedException) { }
}
