Updates

Toolkit.Foundation/ReplaceEventArgs.cs

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