/// <summary>
/// Saves the user input to the .txt file
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BtnSave_Click(object sender, EventArgs e)
{
StreamWriter outputFile;
try
{
// obtain user input and format for save
string statecap = $"{TxtBoxState.Text}, {TxtBoxCapital.Text}";
// open
outputFile = File.AppendText(filepath);
// use
outputFile.WriteLine(statecap);
// close
outputFile.Close();
// clear results and reset cursor focus to first box
TxtBoxCapital.Clear();
TxtBoxState.Clear();
TxtBoxState.Focus();
// update lst box
LstBoxStateCaps.Items.Add(statecap);
// notify user of successful save
MessageBox.Show($"{statecap} was successfully saved");
}
catch (Exception ex)
{
// would show on write error
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// We take the user input and append it to the end of the text file. We first make sure there is valid input. We concatenate the two user inputs from the text boxes. We append the text and close the file. We also add the concatenated string to the list so it is displayed on the form.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BtnSave_Click(object sender, EventArgs e)
{
string userState = TxtBoxState.Text;
string userCapital = TxtBoxCapital.Text;
if (userState != "" && userCapital != "")
{
string statecap = userState + "," + userCapital;
try
{
StreamWriter outputFile = File.AppendText(filename);
outputFile.WriteLine(statecap);
outputFile.Close();
LstBoxStateCaps.Items.Add(statecap);
TxtBoxState.Clear();
TxtBoxCapital.Clear();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
