Fix sound effect issue after sleep or hiberation

Flow.Launcher/MainWindow.xaml.cs

@@ -22,6 +22,7 @@ using Flow.Launcher.Infrastructure.Image;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin.SharedCommands;
 using Flow.Launcher.ViewModel;
+using Microsoft.Win32;
 using ModernWpf.Controls;
 using DataObject = System.Windows.DataObject;
 using Key = System.Windows.Input.Key;
@@ -88,6 +89,8 @@ namespace Flow.Launcher
 
             InitSoundEffects();
             DataObject.AddPastingHandler(QueryTextBox, QueryTextBox_OnPaste);
+
+            SystemEvents.PowerModeChanged += SystemEvents_PowerModeChanged;
         }
 
         #endregion
@@ -540,16 +543,29 @@ namespace Flow.Launcher
 
         #region Window Sound Effects
 
+        private void SystemEvents_PowerModeChanged(object sender, PowerModeChangedEventArgs e)
+        {
+            // Fix for sound not playing after sleep / hibernate
+            // https://stackoverflow.com/questions/64805186/mediaplayer-doesnt-play-after-computer-sleeps
+            if (e.Mode == PowerModes.Resume)
+            {
+                InitSoundEffects();
+            }
+        }
+
         private void InitSoundEffects()
         {
             if (_settings.WMPInstalled)
             {
+                animationSoundWMP?.Close();
                 animationSoundWMP = new MediaPlayer();
                 animationSoundWMP.Open(new Uri(AppContext.BaseDirectory + "Resources\\open.wav"));
             }
             else
             {
+                animationSoundWPF?.Dispose();
                 animationSoundWPF = new SoundPlayer(AppContext.BaseDirectory + "Resources\\open.wav");
+                animationSoundWPF.Load();
             }
         }
 
@@ -1162,6 +1178,9 @@ namespace Flow.Launcher
                 {
                     _hwndSource?.Dispose();
                     _notifyIcon?.Dispose();
+                    animationSoundWMP?.Close();
+                    animationSoundWPF?.Dispose();
+                    SystemEvents.PowerModeChanged -= SystemEvents_PowerModeChanged;
                 }
 
                 _disposed = true;