cleanup unused code

TV Player WPF/App.xaml.cs

@@ -1,7 +1,4 @@
-using DirectShowLib.BDA;
-using System.Configuration;
-using System.Data;
-using System.Windows;
+using System.Windows;
 using TV_Player.ViewModels;
 
 namespace TV_Player
@@ -18,5 +15,11 @@ namespace TV_Player
 
             base.OnStartup(e);
         }
+
+        protected override void OnExit(ExitEventArgs e)
+        {
+            _tvPlayer = null;
+            base.OnExit(e);
+        }
     }
 }

TV Player WPF/TV Player WPF.csproj

@@ -15,10 +15,11 @@
 
   <ItemGroup>
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.2" />
-    <PackageReference Include="LibVLCSharp" Version="3.8.2" />
+    <PackageReference Include="LibVLCSharp" Version="3.8.2">
+      <TreatAsUsed>true</TreatAsUsed>
+    </PackageReference>
     <PackageReference Include="LibVLCSharp.WPF" Version="3.8.2" />
     <PackageReference Include="System.Reactive" Version="6.0.0" />
-    <PackageReference Include="WPFMediaKitCore" Version="0.0.3" />
   </ItemGroup>
 
   <ItemGroup>

TV Player WPF/VideoPlayer.xaml.cs

@@ -1,9 +1,7 @@
 using LibVLCSharp.Shared;
 using LibVLCSharp.WPF;
-using System.IO;
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Forms.Integration;
 using System.Windows.Input;
 
 namespace TV_Player
@@ -13,8 +11,6 @@ namespace TV_Player
     /// </summary>
     public partial class VideoPlayer : UserControl
     {
-        private readonly DirectoryInfo vlcLibDirectory;
-        
         public static readonly DependencyProperty SourceUrlProperty =
             DependencyProperty.Register(
                 "SourceUrl", // Name of the property
@@ -114,7 +110,7 @@ namespace TV_Player
 
         private void UserControl_Unloaded(object sender, RoutedEventArgs e)
         {
-            VideoView.MediaPlayer.Dispose();
+            VideoView.MediaPlayer?.Dispose();
         }
     }
 }

TV Player WPF/ViewModels/TVPlayerViewModel.cs

@@ -32,6 +32,5 @@ namespace TV_Player.ViewModels
             control.DataContext = viewModel;
             _mainViewModel.Control = control;
         }
-
     }
 }