Refactor WeakHashtable to replace ArrayList (#8655)

Refactor WeakHashtable to replace ArrayList
dotnet · Feb 17, 2023 · be187a3 · be187a3
1 parent b577934
commit be187a3
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/System.Windows.Forms/src/misc/WeakHashtable.cs b/src/System.Windows.Forms/src/misc/WeakHashtable.cs
@@ -91,13 +91,12 @@ private void ScavengeKeys()
                 // Perform a scavenge through our keys, looking
                 // for dead references.
                 //
-                ArrayList? cleanupList = null;
+                List<WeakReference>? cleanupList = null;
                 foreach (object o in Keys)
                 {
                     if (o is WeakReference wr && !wr.IsAlive)
                     {
-                        cleanupList ??= new ArrayList();
-
+                        cleanupList ??= new();
                         cleanupList.Add(wr);
                     }
                 }