PixiEditor/PixiEditor/ViewModels/SubViewModels/SubViewModel.cs

namespace PixiEditor.ViewModels.SubViewModels
{
    public class SubViewModel<T> : ViewModelBase
        where T : ViewModelBase
    {
        public T Owner { get; }

        public SubViewModel(T owner)
        {
            Owner = owner;
        }
    }
}