How to create menu visibile to a certain user WPF

You could try to refer to the sample code below according to your needs. And remember to loop through the complete collection, I'm not looping through the collection here.

iterate
Xaml:

 <Window.DataContext>  
        <local:ViewModel/>  
    </Window.DataContext>  
    <StackPanel>  
        <CheckBox x:Name="cb" IsChecked="{Binding IsAdmin}"  Content="IsAdmin" Width="100" Height="50"/>  
  
        <Menu DockPanel.Dock="Top" ItemsSource="{Binding MenuItemsView}">  
            <Menu.ItemContainerStyle>  
                <Style TargetType="{x:Type MenuItem}">  
                    <Setter Property="Command" Value="{Binding Command}" />  
                </Style>  
            </Menu.ItemContainerStyle>  
            <Menu.ItemTemplate>  
                <HierarchicalDataTemplate DataType="{x:Type local:MenuItemViewModel}" ItemsSource="{Binding Path=MenuItems}">  
                    <TextBlock Text="{Binding Header}"/>  
                </HierarchicalDataTemplate>  
            </Menu.ItemTemplate>  
        </Menu>  
    </StackPanel>  

Codebedhind:

265114-menuitem-user-icollectionview-filter.txt

The result:

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