different code fixes

src/modules/registrypreview/RegistryPreviewUILib/RegistryPreviewMainPage.Events.cs

@@ -23,7 +23,7 @@
     {
         private readonly DispatcherQueue _dispatcherQueue = DispatcherQueue.GetForCurrentThread();
 
-        // Indicator if we loaded or reloaded a file
+        // Indicator if we loaded/reloaded/saved a file and need to skip TextChangedEevent one time.
         private static bool newFileLoaded;
 
         /// <summary>
@@ -174,20 +174,18 @@
 
             // save and update window title
             _ = SaveFile();
-            _updateWindowTitleFunction(_appFileName);
         }
 
         /// <summary>
         /// Uses a picker to save out a copy of the current reg file
         /// </summary>
         private async void SaveAsButton_Click(object sender, RoutedEventArgs e)
         {
-            if (!AskFileName(true))
+            if (!AskFileName(true) || !SaveFile())
             {
                 return;
             }
 
-            _ = SaveFile();
             UpdateToolBarAndUI(await OpenRegistryFile(_appFileName));
         }
 

src/modules/registrypreview/RegistryPreviewUILib/RegistryPreviewMainPage.Utilities.cs

@@ -62,6 +62,7 @@ private async Task<bool> OpenRegistryFile(string filename)
 
             // update the current window's title with the current filename
             _updateWindowTitleFunction(filename);
+            UpdateUnsavedFileIndicator(false);
 
             // Load in the whole file in one call and plop it all into editor
             FileStream fileStream = null;
@@ -990,6 +991,7 @@ private bool SaveFile()
                 streamWriter.Close();
 
                 // only change when the save is successful
+                _updateWindowTitleFunction(_appFileName);
                 UpdateUnsavedFileIndicator(false);
                 saveButton.IsEnabled = false;
             }