Listbox doesn't detect selected item - wpf

Question

I have the following listbox:
<ListBox ItemsSource="{Binding AvailableTemplates}" Style="{DynamicResource SearchListBoxStyle}" SelectedItem="{Binding SelectedTemplate, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">
<ListBox.ItemTemplate>
<DataTemplate>
<RadioButton Content="{Binding}" GroupName="group" />
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
this doesn't detect as selected item changed if i select on the radiobutton. It only detects if i click under the radio button on the listbox row. Any ideeas how to amend to detect as selected item changed when clicking on the radio button?

Answer 1

If you only want to synchronize the RadioButton.IsChecked with ListBoxItem.IsSelected, you can use a binding
<RadioButton Content="{Binding}" GroupName="group"
IsChecked="{Binding Path=IsSelected, RelativeSource={
RelativeSource AncestorType={x:Type ListBoxItem}},Mode=TwoWay}"/>
If you don't want your items synchronized, you can use a Trigger that sets IsSelected whenever the item gets keyboard focus, although this will only keep an item selected as long as it has keyboard focus
<Style TargetType="ListBoxItem">
<Style.Triggers>
<Trigger Property="IsKeyboardFocusWithin" Value="True">
<Setter Property="IsSelected" Value="True" />
</Trigger>
</Style.Triggers>
</Style>
And if you want it selected regardless of if the element still has keyboard focus or not, you have to use a little code behind
<Style TargetType="{x:Type ListBoxItem}">
<EventSetter Event="PreviewGotKeyboardFocus" Handler="SelectCurrentItem"/>
</Style>
protected void SelectCurrentItem(object sender, KeyboardFocusChangedEventArgs e)
{
ListBoxItem item = (ListBoxItem)sender;
item.IsSelected = true;
}

Answer 2

You can not mistake: listBox.SelectedItem and radioButton.IsChecked
They are totally different things,
SelectedItem is called the ListBoxItem, your radiobutton is within a listboxitem.
You must make a binding for property IsChecked (RadioButton).

Answer 3

Try setting ListBoxItem.IsHitTestVisible to false (you may do this in xaml). It solved my selection problem elementary. My problem was that selection only worked when I clicked on white space in ListBox line but not a custom content.