Use loaded event & Add style

Author: Jack251970

Flow.Launcher/ReleaseNotesWindow.xaml

@@ -161,7 +161,8 @@
                     Margin="15 0 20 0"
                     HorizontalAlignment="Stretch"
                     VerticalAlignment="Stretch"
-                    ClickAction="SafetyDisplayWithRelativePath" />
+                    ClickAction="SafetyDisplayWithRelativePath"
+                    Loaded="MarkdownViewer_Loaded" />
             </Grid>
         </Border>
     </Grid>

Flow.Launcher/ReleaseNotesWindow.xaml.cs

@@ -9,6 +9,7 @@
 using System.Windows;
 using System.Windows.Input;
 using Flow.Launcher.Infrastructure.Http;
+using MdXaml;
 
 namespace Flow.Launcher
 {
@@ -21,11 +22,9 @@ public ReleaseNotesWindow()
 
         #region Window Events
 
-        [System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "VSTHRD100:Avoid async void methods", Justification = "<Pending>")]
-        private async void Window_Loaded(object sender, RoutedEventArgs e)
+        private void Window_Loaded(object sender, RoutedEventArgs e)
         {
             RefreshMaximizeRestoreButton();
-            MarkdownViewer.Markdown = await GetReleaseNotesMarkdownAsync();
         }
 
         private void OnCloseExecuted(object sender, ExecutedRoutedEventArgs e)
@@ -82,6 +81,11 @@ private void Window_StateChanged(object sender, EventArgs e)
         private static async Task<string> GetReleaseNotesMarkdownAsync()
         {
             var releaseNotesJSON = await Http.GetStringAsync("https://api.github.com/repos/Flow-Launcher/Flow.Launcher/releases");
+            
+            if (string.IsNullOrEmpty(releaseNotesJSON))
+            {
+                return string.Empty;
+            }
             var releases = JsonSerializer.Deserialize<List<GitHubReleaseInfo>>(releaseNotesJSON);
 
             // Get the latest releases
@@ -145,5 +149,12 @@ private sealed class GitHubReleaseInfo
         private static partial Regex ImageUnitRegex();
 
         #endregion
+
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "VSTHRD100:Avoid async void methods", Justification = "<Pending>")]
+        private async void MarkdownViewer_Loaded(object sender, RoutedEventArgs e)
+        {
+            MarkdownViewer.MarkdownStyle = MarkdownStyle.GithubLike;
+            MarkdownViewer.Markdown = await GetReleaseNotesMarkdownAsync();
+        }
     }
 }