<ListBox.ContextMenu>
                                    <ContextMenu>
                                        <MenuItem
                                            Command="{Binding AddTrackListCommand}"
                                            CommandParameter
 
="{Binding RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}, Path=PlacementTarget.SelectedItem}"
                                            Header="加入軌跡列表" />
                                        <MenuItem Command="{Binding AddFavorityCommand}" Header="{DynamicResource G_616}
 
" />
                                        <MenuItem Command="{Binding SaveImageCommand}" Header="{DynamicResource G_31}" />
                                    </ContextMenu>
                                </ListBox.ContextMenu>

ListBox裡的MenuItem選單綁定當前選擇的item,並傳入viewmodel,

後臺程式碼

public ICommand AddTrackListCommand { get { return new DelegateCommand<object>(AddTrackList); } }