button doesnt work inside listbox datatemplate

<ListBox  x:Name="listbox"
     Focusable="True"
     PreviewMouseWheel="listBox_PreviewMouseWheel"
     IsSynchronizedWithCurrentItem="True"
     ItemsSource="{Binding}"
             >


  </ListBox.Resources>
     <ListBox.ItemsPanel>
       <ItemsPanelTemplate>
         <local:Panel3D
           Loaded="OnPanel3DLoaded"
           CorX="{Binding ElementName=sliderX, Path=Value}"
           CorY="{Binding ElementName=sliderY, Path=Value}"
           CorZ="{Binding ElementName=sliderZ, Path=Value}"
           />
       </ItemsPanelTemplate>
       </ListBox.ItemsPanel>
      
           <ListBox.ItemContainerStyle>
               <Style TargetType="{x:Type ListBoxItem}">
                   <Setter Property="HorizontalContentAlignment" Value="Stretch" />
                   <Setter Property="Width" Value="200" />
                   <Setter Property="Height" Value="200" />
                   <Setter Property="Template">
                       <Setter.Value>
                           <ControlTemplate TargetType="{x:Type ListBoxItem}">
                               <ContentPresenter ContentSource="Content" />
                           </ControlTemplate>
                       </Setter.Value>
                   </Setter>
               </Style>
           </ListBox.ItemContainerStyle>
      <ListBox.ItemTemplate>
       <DataTemplate>
         <Button x:Name="my" Onclick="DoThis"></Button>
       </DataTemplate>
     </ListBox.ItemTemplate>
   </ListBox>