GridViewModelTItemModel, TItemViewModel - класс

public class GridViewModel<TItemModel, TItemViewModel> : SelectorViewModel<TItemModel, TItemViewModel>
where TItemModel : class
where TItemViewModel : ViewModel<TItemModel>, ISelectableViewModel

Public Class GridViewModel(Of TItemModel As Class, TItemViewModel As {ViewModel(Of TItemModel), ISelectableViewModel})
	Inherits SelectorViewModel(Of TItemModel, TItemViewModel)

generic<typename TItemModel, typename TItemViewModel>
where TItemModel : ref class
where TItemViewModel : ViewModel<TItemModel>, ISelectableViewModel
public ref class GridViewModel : public SelectorViewModel<TItemModel, TItemViewModel>

type GridViewModel<'TItemModel, 'TItemViewModel when 'TItemModel : not struct when 'TItemViewModel : ViewModel<'TItemModel> and ISelectableViewModel> =  
    class
        inherit SelectorViewModel<'TItemModel, 'TItemViewModel>
    end