private void doneBtn_Click(object sender, EventArgs e)
 {
     if (sessionNameTextBox.Text != "" && dirPathTextBox.Text != "" && ipTextBox.Text != "" && portTextBox.Text != "" &&
         sessionNameTextBox.Text != "Your session name" && dirPathTextBox.Text != "Your directory" && ipTextBox.Text != "IP address" &&
         portTextBox.Text != "Port")
     {
         if (SessionHandler.CheckRecordingExistance(sessionNameTextBox.Text))
         {
             MessageBox.Show("This session already exists!");
         }
         else
         {
             SD = new SessionData(sessionNameTextBox.Text, dirPathTextBox.Text, ipTextBox.Text, int.Parse(portTextBox.Text), "none",
                                  DateTime.Now.ToString("MM/dd/yyyy HH:mm"), sessionNameTextBox.Text + ".ini");
             this.DialogResult = DialogResult.OK;
             this.Close();
         }
     }
     else
     {
         MessageBox.Show("Not everything is filled!");
     }
 }