src/FocusVolumeControl/AudioSessions/ActiveAudioSessionWrapper.cs

@@ -5,58 +5,45 @@ using BarRaider.SdTools;
 using System.Drawing;
 using System.Runtime.InteropServices;
 using FocusVolumeControl.UI;
-using BitFaster.Caching.Lru;
 
 namespace FocusVolumeControl.AudioSessions;
 
 public sealed class ActiveAudioSessionWrapper : IAudioSession
 {
-	static ConcurrentLru<string, string> _iconCache = new ConcurrentLru<string, string>(10);
-
 	public string DisplayName { get; set; }
 	public string ExecutablePath { get; set; }
 	public string IconPath { get; set; }
 	private List<IAudioSessionControl2> Sessions { get; } = new List<IAudioSessionControl2>();
 	private IEnumerable<ISimpleAudioVolume> Volume => Sessions.Cast<ISimpleAudioVolume>();
 
-	string GetIconFromIconPath()
-	{
-		return _iconCache.GetOrAdd(IconPath, (key) =>
-		{
-			var tmp = (Bitmap)Bitmap.FromFile(IconPath);
-			tmp.MakeTransparent();
-			return Tools.ImageToBase64(tmp, true);
-		});
-	}
-
-	string GetIconFromExecutablePath()
-	{
-		return _iconCache.GetOrAdd(ExecutablePath, (key) =>
-		{
-			var tmp = IconExtraction.GetIcon(ExecutablePath);
-			//var tmp = Icon.ExtractAssociatedIcon(ExecutablePath);
-			return Tools.ImageToBase64(tmp, true);
-		});
-	}
+	string _icon;
 
 	public string GetIcon()
+	{
+		if (string.IsNullOrEmpty(_icon))
 		{
 			try
 			{
-			if (!string.IsNullOrEmpty(IconPath))
+				if(!string.IsNullOrEmpty(IconPath))
 				{
-				return GetIconFromIconPath();
+					var tmp = (Bitmap)Bitmap.FromFile(IconPath);
+					tmp.MakeTransparent();
+					_icon = Tools.ImageToBase64(tmp, true);
 				}
 				else
 				{
-				return GetIconFromExecutablePath();
+					var tmp = IconExtraction.GetIcon(ExecutablePath);
+					//var tmp = Icon.ExtractAssociatedIcon(ExecutablePath);
+					_icon = Tools.ImageToBase64(tmp, true);
 				}
 			}
 			catch
 			{
-			return "Images/encoderIcon";
+				_icon = "Images/encoderIcon";
 			}
 		}
+		return _icon;
+	}
 
 	public bool Any()
 	{

src/FocusVolumeControl/FocusVolumeControl.csproj

@@ -97,9 +97,6 @@
     </Content>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="BitFaster.Caching">
-      <Version>2.2.1</Version>
-    </PackageReference>
     <PackageReference Include="IsExternalInit">
       <Version>1.0.3</Version>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

src/FocusVolumeControl/WindowChangedEventLoop.cs

@@ -39,24 +39,12 @@ namespace FocusVolumeControl
 
 		public event Action WindowChanged;
 
-		CancellationTokenSource? _cancellationTokenSource = null;
-
-		private async void WinEventProc(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
+		private void WinEventProc(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
 		{
 			try
 			{
-				//debounce the window changed events by 100 ms because if you click mouse over an application on the start bar
-				//and then click on the preview window, it will quickly go from current -> fallback -> new app
-				//which can often result in it getting stuck on the fallback app
-				_cancellationTokenSource?.Cancel();
-				_cancellationTokenSource = new CancellationTokenSource();
-				await Task.Delay(100, _cancellationTokenSource.Token);
 				WindowChanged?.Invoke();
 			}
-			catch (TaskCanceledException)
-			{
-				//ignored
-			}
 			catch (Exception ex)
 			{
 				Logger.Instance.LogMessage(TracingLevel.ERROR, $"Unexpected Error in EventHandler:\n {ex}");