Reset Sources on Peek close

src/modules/peek/Peek.FilePreviewer/FilePreview.xaml.cs

@@ -68,6 +68,13 @@ namespace Peek.FilePreviewer
             _cancellationTokenSource.Dispose();
         }
 
+        public void ResetSource()
+        {
+            ImagePreview.Source = null;
+            VideoPreview.Source = null;
+            BrowserPreview.Source = null;
+        }
+
         private async void Previewer_PropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)
         {
             // Fallback on DefaultPreviewer if we fail to load the correct Preview

src/modules/peek/Peek.UI/MainWindow.xaml

@@ -35,6 +35,7 @@
             NumberOfFiles="{x:Bind ViewModel.Items.Count, Mode=OneWay}" />
 
         <fp:FilePreview
+            Name="FilePreviewer"
             Grid.Row="1"
             Item="{x:Bind ViewModel.CurrentItem, Mode=OneWay}"
             PreviewSizeChanged="FilePreviewer_PreviewSizeChanged"

src/modules/peek/Peek.UI/MainWindow.xaml.cs

@@ -89,6 +89,7 @@ namespace Peek.UI
 
             ViewModel.Uninitialize();
             ViewModel.ScalingFactor = 1;
+            FilePreviewer.ResetSource();
         }
 
         /// <summary>