How to access listbox binding data from a button which is not part of listbox in xaml page

Question

Hi
I have the below listbox and its bdining as below
 <ListBox x:Name="listMyPosts" ItemsSource="{Binding Path=MyPostsDataSource}" Grid.Row="0"  >
           <ListBox.ItemTemplate >
                      <DataTemplate >                                      
                                    <StackPanel Orientation="Horizontal">
                                        <TextBlock Text="{Binding
NewPostText ,Mode=TwoWay}"/>
                                        <TextBlock Text="{Binding
NewPostSender}"/>
                                    </StackPanel>                                      
                            </DataTemplate>
            </ListBox.ItemTemplate>
           <Button content="Send Post" command ="Binding SendClickCommand} />
  </ListBox>
And i am assining postsViewmodel
private PostsViewModel _PostsViewModel ;
public Conversation()
InitializeComponent();
_PostsViewModel = new PostsViewModel ();
this.DataContext = _PostsViewModel ;
public ObservableCollection<PostsModel> MyPostsDataSource
get
if (_MyPostsDataSource== null)
_MyPostsDataSource= GetMyPosts();
return _MyPostsDataSource;
set
this._MyPostsDataSource = value;
RaisePropertyChanged("MyPostsDataSource");
is that possible to access listbox binding data from the ViewModel's SendClickCommand property ?
Krrishna

Answer 1

If you need to pass to the command selected item, try this
<Button Сontent="Send Post"
      Сommand ="{Binding SendClickCommand}"
      CommandParameter={Binding ElementName=listMyPosts,
Path=SelectedItem}/>
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