Merge pull request #495 from xamarin/ermau-uncommon-tooltip

Improve uncommon expander

Author: ermau

Xamarin.PropertyEditing.Windows/Themes/PropertyEditorPanelStyle.xaml

@@ -79,6 +79,7 @@
 		<Setter Property="VerticalAlignment" Value="Stretch" />
 		<Setter Property="Background" Value="Transparent" />
 		<Setter Property="Foreground" Value="{DynamicResource ToggleItemForegroundBrush}" />
+		<Setter Property="ToolTip" Value="{x:Static prop:Resources.UncommonPropertiesTooltip}" />
 		<Setter Property="Template">
 			<Setter.Value>
 				<ControlTemplate TargetType="{x:Type ToggleButton}">
@@ -90,12 +91,6 @@
 						<Trigger Property="IsChecked" Value="True">
 							<Setter Property="Data" TargetName="Chevron" Value="M 0,8 L 5,3 L 10,8"/>
 						</Trigger>
-						<Trigger Property="IsMouseOver" Value="true">
-							<Setter Property="Stroke" Value="{DynamicResource ToggleItemMouseOverForegroundBrush}" TargetName="Chevron"/>
-						</Trigger>
-						<Trigger Property="IsPressed" Value="true">
-							<Setter Property="Stroke" Value="{DynamicResource ToggleItemSelectedForegroundBrush}" TargetName="Chevron"/>
-						</Trigger>
 					</ControlTemplate.Triggers>
 				</ControlTemplate>
 			</Setter.Value>