/*
* Method : UpdateChatArea()
* Parameter: Object obj: The received message
* Description: This is a a callback funtion to update the listbox
* Return value: No
*/
private void UpdateChatArea(Object obj)
{
try
{
string client2 = To.Text;
string msg = (string)obj;
// Add the message to the listbox and auto scroll tp last one
History.Items.Add("\t\t[ " + DateTime.Now.ToString("HH:mm") + " ] " + msg);
History.ScrollIntoView(History.Items[History.Items.Count - 1]);
}
catch (Exception ex)
{
Error.Content = ex;
}
}
/*
* Method : SendCrypt_Click()
* Description: When the Connection Button Clickedit sent the message with encrepted.
* Return value: No
*/
private void SendCrypt_Click(object sender, RoutedEventArgs e)
{
try
{
// Check the connection status. If the server is connected
// Read the text form textbox and send it to the server
if (connect)
{
if (Chat.Text != "")
{
StreamWriter output = new StreamWriter(clientList[0]);
StreamWriter cryptOutput = new StreamWriter(clientList[0]);
string x = Chat.Text;
History.Items.Add("[ " + DateTime.Now.ToString("HH:mm") + " ] You: " + Chat.Text);
History.ScrollIntoView(History.Items[History.Items.Count - 1]);
string outp = Chat.Text;
output.WriteLine(outp);
output.Flush();
//Applying the BlowFish encryption to the message
string encrypted = blowFish.Encrypt_CBC(outp);
cryptOutput.WriteLine(encrypted);
//output.WriteLine(outp);
cryptOutput.Flush();
Chat.Clear();
}
else
{
Error.Content = ">>!!!Message can not be blank!!!<<";
}
}
// Otherwiser notify the user Sever is not connected
else
{
Error.Content = ">>!!!You are not connected to the Server!!!<<";
}
}
catch (Exception ex)
{
Error.Content = ex;
}
}
