Merge branch 'master' into removeNewtonsoftJson

Author: azchohfi

Microsoft.Toolkit.Uwp.UI.Controls/InAppNotification/InAppNotification.Events.cs

@@ -43,6 +43,14 @@ private void DismissTimer_Tick(object sender, object e)
             Dismiss(InAppNotificationDismissKind.Timeout);
         }
 
+        private void OnCurrentStateChanging(object sender, VisualStateChangedEventArgs e)
+        {
+            if (e.NewState.Name == StateContentVisible)
+            {
+                Visibility = Visibility.Visible;
+            }
+        }
+
         private void OnCurrentStateChanged(object sender, VisualStateChangedEventArgs e)
         {
             switch (e.NewState.Name)

Microsoft.Toolkit.Uwp.UI.Controls/InAppNotification/InAppNotification.cs

@@ -51,6 +51,7 @@ protected override void OnApplyTemplate()
 
             if (_visualStateGroup != null)
             {
+                _visualStateGroup.CurrentStateChanging -= OnCurrentStateChanging;
                 _visualStateGroup.CurrentStateChanged -= OnCurrentStateChanged;
             }
 
@@ -67,6 +68,7 @@ protected override void OnApplyTemplate()
 
             if (_visualStateGroup != null)
             {
+                _visualStateGroup.CurrentStateChanging += OnCurrentStateChanging;
                 _visualStateGroup.CurrentStateChanged += OnCurrentStateChanged;
             }