Скрыть/показать RowDetailsTemplate по клику на строке DataGrid MVVM

     
private RelayCommand isExpanded;
public RelayCommand IsExpanded
{
        get
        {
                return isExpanded ?? (isExpanded = new RelayCommand((obj) =>
                {
                    if (RowVisibility)
                        RowVisibility = false;
                    else
                        RowVisibility = true;
                }));
        }
}
 
private bool rowVisibility = false;
public bool RowVisibility
{
        get { return rowVisibility; }
        set
        {
                rowVisibility = value;
                OnPropertyChanged();
        }
}

public class InvertCommand : OnPropertyChangеdClass
{
    public InvertCommand() => Command = new RelayCommand(Method);
    public RelayCommand Command {get;}
    private void Method(object parameter) => Value = ! Value;
 
    private bool _value = false;
    public bool Value {get => _value; set => SetProperty(ref _value, value);}
}

public class RowDetailsCommand : OnPropertyChangеdClass
{
    public RowDetailsCommand() => Command = new RelayCommand(Method);
    public RelayCommand Command {get;}
    private void Method(object parameter) => Details = Details == DataGridRowDetailsVisibilityMode.Collapsed
                             ? DataGridRowDetailsVisibilityMode.VisibleWhenSelected
                             : DataGridRowDetailsVisibilityMode.Collapsed;
 
    private DataGridRowDetailsVisibilityMode _details = false;
    public DataGridRowDetailsVisibilityMode Details {get => _details ; set => SetProperty(ref _details , value);}
}

private Method(object parameter) => Value = !Value; - // Method must have a return type
 
public bool Value { get => _value; set => SetProperty(ref _value, value); } - //The name 'SetProperty' does not exist in the current context

public InvertCommand() => Commnad = new RelayCommand(Method); // 'bool InvertCommand.Method(object)' has the wrong return type

private RelayCommand _myCommand;
public RelayCommand MyCommand => _myCommand
    ?? (_myCommand = new RelayCommand(MyMethod, MyCanMetod)); // MyCanMetod - можно пропустить
private void MyMethod(object parameter)
{
    // Тело метода
}
private bool MyCanMethod(object parameter)
{
    // Тело метода
   return ....; // bool значение
}

public class MyClass
{
   public MyClass
   {
       MyCommand = new RelayCommand(MyMethod, MyCanMetod));
   }
   public RelayCommand MyCommand {get;}
   private void MyMethod(object parameter){}
   private bool MyCanMethod(object parameter){}
}