private void btnAdd_Click(object sender, RoutedEventArgs e)
{
var wnd = new CommandSettingWindow(_settings, -1, _context);
wnd.ShowDialog();
Refresh();
}
private void btnEdit_Click(object sender, RoutedEventArgs e)
{
int idx = listMain.SelectedIndex;
var wnd = new CommandSettingWindow(_settings, idx, _context);
wnd.ShowDialog();
Refresh();
}