Updates

Toolkit.Foundation/RemoveAtEventArgs.cs

@@ -1,3 +1,20 @@
 namespace Toolkit.Foundation;
 
-public record RemoveAtEventArgs<TValue>(int Index);
+public record RemoveAtEventArgs<TSender>
+{
+    public TSender? Sender { get; }
+
+    public int Index { get; }
+
+    public RemoveAtEventArgs(TSender sender,
+        int index)
+    {
+        Sender = sender;
+        Index = index;
+    }
+
+    public RemoveAtEventArgs(int index)
+    {
+        Index = index;
+    }
+}