Fixed an issue where the content of the man window isn't interactable after the properties window is closed (#2045)

Author: Thomas1664

Files/Views/Pages/Properties.xaml.cs

@@ -25,6 +25,7 @@ public sealed partial class Properties : Page
         private static ApplicationViewTitleBar TitleBar;
 
         private CancellationTokenSource tokenSource = new CancellationTokenSource();
+        private ContentDialog propertiesDialog;
 
         private object navParameter;
 
@@ -35,6 +36,7 @@ public sealed partial class Properties : Page
         public Properties()
         {
             InitializeComponent();
+            propertiesDialog = Interaction.FindParent<ContentDialog>(this);
         }
 
         protected override void OnNavigatedTo(NavigationEventArgs e)
@@ -63,7 +65,6 @@ private async void Properties_Loaded(object sender, RoutedEventArgs e)
             }
             else
             {
-                var propertiesDialog = Interaction.FindParent<ContentDialog>(this);
                 propertiesDialog.Closed += PropertiesDialog_Closed;
             }
         }
@@ -125,6 +126,7 @@ private void PropertiesDialog_Closed(ContentDialog sender, ContentDialogClosedEv
                 tokenSource.Dispose();
                 tokenSource = null;
             }
+            propertiesDialog.Hide();
         }
 
         private void Properties_Unloaded(object sender, RoutedEventArgs e)
@@ -178,7 +180,6 @@ private async void OKButton_Click(object sender, RoutedEventArgs e)
             }
             else
             {
-                var propertiesDialog = Interaction.FindParent<ContentDialog>(this);
                 propertiesDialog.Hide();
             }
         }
@@ -191,7 +192,6 @@ private async void CancelButton_Click(object sender, RoutedEventArgs e)
             }
             else
             {
-                var propertiesDialog = Interaction.FindParent<ContentDialog>(this);
                 propertiesDialog.Hide();
             }
         }
@@ -206,7 +206,6 @@ private async void Page_KeyDown(object sender, KeyRoutedEventArgs e)
                 }
                 else
                 {
-                    var propertiesDialog = Interaction.FindParent<ContentDialog>(this);
                     propertiesDialog.Hide();
                 }
             }