private void ToggleLayers()
{
var layers = new List<IWpfLayer>();
if (this.checkHandLayer.IsChecked.GetValueOrDefault())
{
layers.Add(new WpfHandLayer(this.handDataSource));
}
if (this.checkClusterLayer.IsChecked.GetValueOrDefault())
{
layers.Add(new WpfClusterLayer(this.clusterDataSource));
}
this.videoControl.Layers = layers;
}