Ignore context change to null on UAP listview (#4412) fixes #4373

diff --git a/Xamarin.Forms.Platform.UAP/CellControl.cs b/Xamarin.Forms.Platform.UAP/CellControl.cs
index 582fbdf..ccdc505 100644 (file)
--- a/Xamarin.Forms.Platform.UAP/CellControl.cs
+++ b/Xamarin.Forms.Platform.UAP/CellControl.cs
@@ -161,6 +161,9 @@ namespace Xamarin.Forms.Platform.UWP
 
                void OnDataContextChanged(FrameworkElement sender, DataContextChangedEventArgs args)
                {
+                       if (args.NewValue == null)
+                               return;
+
                        // We don't want to set the Cell until the ListView is realized, just in case the 
                        // Cell has an ItemTemplate. Instead, we'll store the new data item, and it will be
                        // set on MeasureOverrideDelegate. However, if the parent is a TableView, we'll already