Added reversed direction sliders to ControlCatalog.

samples/ControlCatalog/Pages/SliderPage.xaml

@@ -45,6 +45,12 @@
             <sys:Exception /> 
           </DataValidationErrors.Error>
         </Slider>
+        <Slider Value="0"
+                IsDirectionReversed="True"
+                Minimum="0"
+                Maximum="100"
+                TickFrequency="10"
+                Width="300" />
       </StackPanel>
       <Slider Value="0"
               Minimum="0"
@@ -54,6 +60,15 @@
               TickPlacement="Outside"
               TickFrequency="10"
               Height="300"/>
+      <Slider Value="0"
+              IsDirectionReversed="True"
+              Minimum="0"
+              Maximum="100"
+              Orientation="Vertical"
+              IsSnapToTickEnabled="True"
+              TickPlacement="Outside"
+              TickFrequency="10"
+              Height="300"/>
     </StackPanel>
 
   </StackPanel>