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!"); } }