diff --git a/MapControl/Shared/BingMapsTileLayer.cs b/MapControl/Shared/BingMapsTileLayer.cs
index e4924097..daedf08e 100644
--- a/MapControl/Shared/BingMapsTileLayer.cs
+++ b/MapControl/Shared/BingMapsTileLayer.cs
@@ -42,7 +42,7 @@ namespace MapControl
         public string Culture { get; set; }
         public Uri LogoImageUri { get; private set; }
 
-        private async void OnLoaded(object sender, RoutedEventArgs args)
+        private async void OnLoaded(object sender, RoutedEventArgs e)
         {
             Loaded -= OnLoaded;
 
diff --git a/MapControl/Shared/MapOverlaysPanel.cs b/MapControl/Shared/MapOverlaysPanel.cs
index c953605a..ad5cb625 100644
--- a/MapControl/Shared/MapOverlaysPanel.cs
+++ b/MapControl/Shared/MapOverlaysPanel.cs
@@ -54,25 +54,25 @@ namespace MapControl
             }
         }
 
-        private async void SourcePathsCollectionChanged(object sender, NotifyCollectionChangedEventArgs args)
+        private async void SourcePathsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
         {
-            switch (args.Action)
+            switch (e.Action)
             {
                 case NotifyCollectionChangedAction.Add:
-                    await AddOverlays(args.NewStartingIndex, args.NewItems.Cast<string>());
+                    await AddOverlays(e.NewStartingIndex, e.NewItems.Cast<string>());
                     break;
 
                 case NotifyCollectionChangedAction.Remove:
-                    RemoveOverlays(args.OldStartingIndex, args.OldItems.Count);
+                    RemoveOverlays(e.OldStartingIndex, e.OldItems.Count);
                     break;
 
                 case NotifyCollectionChangedAction.Move:
-                    RemoveOverlays(args.OldStartingIndex, args.OldItems.Count);
-                    await AddOverlays(args.NewStartingIndex, args.NewItems.Cast<string>());
+                    RemoveOverlays(e.OldStartingIndex, e.OldItems.Count);
+                    await AddOverlays(e.NewStartingIndex, e.NewItems.Cast<string>());
                     break;
 
                 case NotifyCollectionChangedAction.Replace:
-                    await ReplaceOverlays(args.NewStartingIndex, args.NewItems.Cast<string>());
+                    await ReplaceOverlays(e.NewStartingIndex, e.NewItems.Cast<string>());
                     break;
 
                 case NotifyCollectionChangedAction.Reset: