public void HandleImportClick(object sender, RoutedEventArgs args)
{
Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
dlg.Title = "Choose a configuration file to import";
dlg.DefaultExt = ".txt";
dlg.FileName = "config.txt";
dlg.Filter = "Config files (config.txt)|*.txt";
dlg.CheckFileExists = true;
if (dlg.ShowDialog() == true)
{
viewModel.ImportOldConfiguration(dlg.FileName);
}
}
