Fix crash when resizing the sidebar too quickly (#4998)

files-community · May 23, 2021 · b22c0aa · b22c0aa
1 parent 3980e79
commit b22c0aa
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Files/UserControls/SidebarControl.xaml.cs b/Files/UserControls/SidebarControl.xaml.cs
@@ -643,7 +643,8 @@ private void Border_PointerExited(object sender, PointerRoutedEventArgs e)
 
         private void IncrementSize(double val)
         {
-            AppSettings.SidebarWidth = new GridLength(AppSettings.SidebarWidth.Value + val);
+            var newSize = AppSettings.SidebarWidth.Value + val;
+            AppSettings.SidebarWidth = new GridLength(newSize >= 0 ? newSize : 0); // passing a negative value will cause an exception
         }
 
         private void Border_PointerEntered(object sender, PointerRoutedEventArgs e)