Disable MenuItem based on ObservableCollection empty or not

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How can I check in Xaml if an ObservableCollection bound to an ItemsSource of a MenuItem is empty or not? Based on that I would like to enable or disable the MenuItem.

Whats desired:

                                <MenuItem 
                                    ItemsSource="{Binding loadables}" 
                                    Tag="{Binding load}">
                                    <MenuItem.Triggers>
                                        <Trigger Property="HasItems" Value="False">
                                            <Setter Property="IsEnabled" Value="False"/>
                                        </Trigger>
                                    </MenuItem.Triggers>
                                </MenuItem>

asked 1 min ago

schwarz

250

Disable MenuItem based on ObservableCollection empty or not