How to bind command when button inside of ListBox Item

Question

I have button inside of ListBox

 <ListBox HorizontalContentAlignment="Stretch" SelectedItem="{Binding SelectedUser}"  ItemsSource="{Binding Users}" >
                                <ListBox.ItemsPanel>
                                    <ItemsPanelTemplate>
                                        <WrapPanel />
                                    </ItemsPanelTemplate>
                                </ListBox.ItemsPanel>

                                <ItemsControl.ItemTemplate>
                                    <DataTemplate>

                                             <StackPanel>
                                                                <Button Command="{Binding Remove}" />
                                                                <Button Command="{Binding Change}"/>
                                                            </StackPanel>


                                    </DataTemplate>
                                </ItemsControl.ItemTemplate>
                            </ListBox>

In ViewModel

  public Command Remove{ get { return new Command(true, new System.Action(RemoveCmd)); } }
    public Command Change{ get { return new Command(true, new System.Action(ChangeCmd)); } }

Method is not fired when i click button. How can i fix that?

It is looking for these commands inside of your user objects (the items that you have bound to ItemsSource) — Nick
– Nick, Commented Aug 14, 2018 at 16:05
Possible duplicate of How to use binding in the ListBox’s Items to the ViewModel’s properties — ASh
– ASh, Commented Aug 14, 2018 at 17:46

Nebelkraehe · Accepted Answer · 2018-08-14 16:46:01Z

5

Change your Command-Binding to:

<Button Command="{Binding DataContext.Remove, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ListBox}}}" />
<Button Command="{Binding DataContext.Change, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ListBox}}}" />

answered Aug 14, 2018 at 16:46

Nebelkraehe

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2 Comments

Максим федеров Over a year ago

It works, but when i click button selected item is not changed. When I click button selected item should be item which contains clicked button. Is it possible?

Nebelkraehe Over a year ago

If you only have singleselection mode active inside your ListBox, then you should take a look at stackoverflow.com/questions/24159382/…

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