public InitialScreen()
{
InitializeComponent();
// Only enable the sample event if it exists.
openSampleRadioButton.Enabled = File.Exists(SampleEventFileName());
// Only enable last event if it exists.
if (File.Exists(Settings.Default.LastLoadedFile)) {
openLastRadioButton.Text = string.Format(MiscText.OpenLastEvent, Path.GetFileNameWithoutExtension(Settings.Default.LastLoadedFile));
}
else {
openLastRadioButton.Enabled = false;
openLastRadioButton.Checked = false;
openExistingRadioButton.Checked = true;
}
}