Listview with optional style - wpf

Question

I have an application that has the option to load a custom theme. In that theme, I have a style for ListViewItem that changes the highlight color. In the application I have a GridView that has rows that can be double clicked, and looks like:
<UserControl.Resources>
<Style x:Key="ClickableRowStyle" TargetType="{x:Type ListViewItem}">
<EventSetter Event="MouseDoubleClick" Handler="RowDoubleClicked" />
</Style>
</UserControl.Resources>
...
<ListView ItemsSource="{Binding DataItems}" ItemContainerStyle="{StaticResource ClickableRowStyle}">
... Set up GridRows
</ListView>
The problem I am having is that since the grid above uses its own style, the colors from the theme don't get applied.
I have tried adding BasedOn="{StaticResource {x:Type ListViewItem}}". This works if the theme is loaded, however, if the default Windows style is used, I get an exception from the StaticResourceHolder.
Is there a way to get both the look from the theme (if loaded) while still being able to double click the grid rows?

Answer 1

I figured out how to have an optional style and click events at the same time. I set up a loaded event for the list view, and in the loaded event I create a new style using BasedOn if a ListViewItem style already exists.
Xaml:
<ListView x:Name="listView" ItemsSource="{Binding DataItems}" Loaded="ListView_Loaded">
... Set grid rows
</ListView>
C#:
private void ListView_Loaded(object sender RoutedEventArgs e)
{
ListView listView = sender as ListView;
Style style;
if(Application.Current.Resources.Contains(typeof(ListViewItem))
{
style = new Style(typeof(ListViewItem), (Style)Application.Current.Resources[typeof(ListViewItem)]);
}
else
{
style = new Style(typeof(ListViewItem));
}
EventSetter setter = new EventSetter();
setter.Event = ListViewItem.MouseDoubleClickEvent;
setter.Handler = new MouseButtonEventHandler(ListView_MouseDoubleClick);
style.Setters.Add(setter);
listView.ItemContainerStyle = style;
}