public void ReleaseViewModel(BaseViewModel viewModel, FrameworkElement element)
{
var key = element.GetType();
_recycledViewModels.TryGetValue(key, out var previous);
_recycledViewModels[key] = viewModel;
viewModel.Deactivate();
if (!object.ReferenceEquals(previous, viewModel))
{
previous.SafeDispose();
}
}
