fix crash in previewer for refresh container

4 years ago · 85e7f383a2
1 changed files with 5 additions and 1 deletions
--- a/src/Avalonia.Controls/PullToRefresh/RefreshVisualizer.cs
+++ b/src/Avalonia.Controls/PullToRefresh/RefreshVisualizer.cs
@ -151,7 +151,11 @@ namespace Avalonia.Controls
                    _content.Loaded += (s, e) =>
                    {
                        var composition = ElementComposition.GetElementVisual(_content);
-                        var compositor = composition!.Compositor;
+
+                        if(composition == null)
+                            return;
+
+                        var compositor = composition.Compositor;
                        composition.Opacity = 0;

                        var smoothRotationAnimation