chore: update the usage of TrayIconHost

Author: emako

README.md

@@ -585,6 +585,28 @@ Similar to WPF UI.
     {
         _ = GetInstance();
     }
+      
+      public static void ShowNotification(string title, string content, ToolTipIcon icon = default, int timeout = 5000, Action? clickEvent = null, Action? closeEvent = null)
+      {
+          var iconHost = GetInstance()._iconHost;
+          if (iconHost is null) return;
+  
+          iconHost.ShowBalloonTip(timeout, title, content, icon);
+          iconHost.BalloonTipClicked += OnIconOnBalloonTipClicked;
+          iconHost.BalloonTipClosed += OnIconOnBalloonTipClosed;
+  
+          void OnIconOnBalloonTipClicked(object? sender, EventArgs e)
+          {
+              clickEvent?.Invoke();
+              iconHost.BalloonTipClicked -= OnIconOnBalloonTipClicked;
+          }
+  
+          void OnIconOnBalloonTipClosed(object? sender, EventArgs e)
+          {
+              closeEvent?.Invoke();
+              iconHost.BalloonTipClosed -= OnIconOnBalloonTipClosed;
+          }
+      }
   }
 
   internal partial class TrayIconManager : ObservableObject