/// <summary>
/// Called from within ChatDialogForm to disconnect
/// the client and remove them from TreeView.
/// </summary>
/// <param name="remoteIP"></param>
/// <param name="remotePort"></param>
public void DisconnectClient(string remoteIP, string remotePort)
{
Socket selectedSocket;
//Delete the client from Tree View
UpdateTreeView(chatForm.connectedStudent.StudentFirstName + " " + chatForm.connectedStudent.StudentLastName, "Delete");
//Find client ChatDialog box corresponding to this socket
int counter = 0;
foreach (ChatDialogForm c in formList)
{
if (c.remoteEndPoint.Equals(remoteIP) && c.remotePort.Equals(remotePort))
{
selectedSocket = c.connectedClient.Client;
selectedSocket.Close();
break;
}
counter++;
}
//Terminate ChatDialog box
ChatDialogForm cd = (ChatDialogForm)formList[counter];
formList.RemoveAt(counter);
((Thread)(threadList[counter])).Abort();
threadList.RemoveAt(counter);
}
/// <summary>
/// Event: fired when a client gets connected. Performs following actions:
/// 1. Update tree view
/// 2. Open a chat box to chat with client
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ClientAdded(object sender, EventArgs e)
{
tcpClient = ((MyEventArgs)e).clientSock;
//Show dialog box to facilitate chat
chatForm = new ChatDialogForm(this, tcpClient, staffMember);
//Add dialog box object to formList
//Add current thread to threadList
//Call delegate function to update tree view
for (int i = 0; i < 100; i++)
{
try
{
UpdateTreeView(chatForm.connectedStudent.StudentFirstName + " " + chatForm.connectedStudent.StudentLastName, "Add");
break;
}
catch (System.NullReferenceException)
{
//Free the processor to do other things
Thread.Sleep(100);
}
catch (Exception ex)
{
MyMessageBox.ShowMessage("An error occurred: " + ex.ToString());
break;
}
}
formList.Add(chatForm);
threadList.Add(Thread.CurrentThread);
chatForm.ShowDialog();
}
