add ease

ButchersBoy · ButchersBoy · commit 149564d9be05 · 2015-11-18T16:05:42.000Z
diff --git a/MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.TreeView.xaml b/MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.TreeView.xaml
@@ -221,6 +221,9 @@
                                         </Storyboard>
                                     </VisualTransition>
                                     <VisualTransition GeneratedDuration="0" To="Collapsed">
+                                        <VisualTransition.GeneratedEasingFunction>
+                                            <CubicEase EasingMode="EaseOut"/>
+                                        </VisualTransition.GeneratedEasingFunction>                                        
                                         <Storyboard>
                                             <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ItemsHost" Storyboard.TargetProperty="Visibility">
                                                 <DiscreteObjectKeyFrame KeyTime="0:0:0.3" Value="{x:Static Visibility.Collapsed}" />
