Hide ItemsControl of ComboBox width hack, if languageVersionComboBox is invisible.

ILSpy/Controls/MainToolBar.xaml

@@ -75,6 +75,7 @@
 		<Grid Margin="2,0">
 			<ItemsControl
 				ItemsSource="{Binding SelectedItem.LanguageVersions, ElementName=languageComboBox, UpdateSourceTrigger=PropertyChanged}"
+				Visibility="{Binding SelectedItem.HasLanguageVersions, ElementName=languageComboBox, Converter={toms:BooleanToVisibilityConverter}}"
 				DisplayMemberPath="DisplayName" Height="0" Margin="15,0" />
 			<ComboBox Name="languageVersionComboBox" DisplayMemberPath="DisplayName" MaxDropDownHeight="Auto"
 			          ToolTip="{x:Static properties:Resources.SelectVersionDropdownTooltip}"