private void buttonTrainInstallationDirectory_Click(object sender, EventArgs e)
{
var folderSelectDialog = new FolderBrowserDialog();
if (folderSelectDialog.ShowDialog() == DialogResult.OK)
{
Program.FileSystem.TrainInstallationDirectory = folderSelectDialog.SelectedPath;
}
textBoxTrainDirectory.Text = folderSelectDialog.SelectedPath;
}