Use PInvoke to register SystemEvents

Author: Jack251970

Flow.Launcher.Infrastructure/NativeMethods.txt

@@ -83,4 +83,7 @@ WM_GETTEXT
 OpenProcess
 QueryFullProcessImageName
 EVENT_OBJECT_HIDE
-EVENT_SYSTEM_DIALOGEND
+EVENT_SYSTEM_DIALOGEND
+
+WM_POWERBROADCAST
+PBT_APMRESUMEAUTOMATIC

Flow.Launcher.Infrastructure/Win32Helper.cs

@@ -338,6 +338,9 @@ public static Point TransformPixelsToDIP(Visual visual, double unitX, double uni
         public const int SC_MAXIMIZE = (int)PInvoke.SC_MAXIMIZE;
         public const int SC_MINIMIZE = (int)PInvoke.SC_MINIMIZE;
 
+        public const int WM_POWERBROADCAST = (int)PInvoke.WM_POWERBROADCAST;
+        public const int PBT_APMRESUMEAUTOMATIC = (int)PInvoke.PBT_APMRESUMEAUTOMATIC;
+
         #endregion
 
         #region Window Handle

Flow.Launcher/MainWindow.xaml.cs

@@ -25,7 +25,6 @@
 using Flow.Launcher.Plugin.SharedCommands;
 using Flow.Launcher.Plugin.SharedModels;
 using Flow.Launcher.ViewModel;
-using Microsoft.Win32;
 using ModernWpf.Controls;
 using DataObject = System.Windows.DataObject;
 using Key = System.Windows.Input.Key;
@@ -96,7 +95,6 @@ public MainWindow()
 
             InitSoundEffects();
             DataObject.AddPastingHandler(QueryTextBox, QueryTextBox_OnPaste);
-            SystemEvents.PowerModeChanged += SystemEvents_PowerModeChanged;
             _viewModel.ActualApplicationThemeChanged += ViewModel_ActualApplicationThemeChanged;
         }
 
@@ -670,6 +668,16 @@ private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref b
                         handled = true;
                     }
                     break;
+                case Win32Helper.WM_POWERBROADCAST: // Handle power broadcast messages
+                    // https://learn.microsoft.com/en-us/windows/win32/power/wm-powerbroadcast
+                    if (wParam.ToInt32() == Win32Helper.PBT_APMRESUMEAUTOMATIC)
+                    {
+                        // Fix for sound not playing after sleep / hibernate
+                        // https://stackoverflow.com/questions/64805186/mediaplayer-doesnt-play-after-computer-sleeps
+                        InitSoundEffects();
+                    }
+                    handled = true;
+                    break;
             }
 
             return IntPtr.Zero;
@@ -679,16 +687,6 @@ private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref b
 
         #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)
@@ -1443,7 +1441,6 @@ protected virtual void Dispose(bool disposing)
                     animationSoundWMP?.Close();
                     animationSoundWPF?.Dispose();
                     _viewModel.ActualApplicationThemeChanged -= ViewModel_ActualApplicationThemeChanged;
-                    SystemEvents.PowerModeChanged -= SystemEvents_PowerModeChanged;
                 }
 
                 _disposed = true;