private void RemoveDevice_Click(object sender, RoutedEventArgs e)
{
Devices.RemoveAt(DeviceListBox.SelectedIndex);
DeviceListBox.Focus();
}
private void Grid_MouseDown(object sender, MouseButtonEventArgs e)
{
DeviceListBox.Focus();
}
private void AddDevice_Click(object sender, RoutedEventArgs e)
{
Devices.Add(new DeviceSettings());
DeviceListBox.SelectedIndex = Devices.Count - 1;
DeviceListBox.Focus();
}