<Window>
<Window.Resources>
<DataTemplate DataType="{x:Type MyClass}">
< StackPanel Orientation="Horizontal">
<Image Source="{Binding Image}" Width="20" Height="20"/>
<TextBlock Text="{Binding Text}"/>
</StackPanel>
</DataTemplate>
</Window.Resources>
<Grid>
<ListBox ItemsSource="{Binding MyList}"/>
</Grid>
</Window>