From 3098b22ba5dfada448f44ee8106e16598247feda Mon Sep 17 00:00:00 2001
From: Vitalii Orazov <viordash@mail.ru>
Date: Mon, 17 Jul 2023 22:08:29 +0300
Subject: [PATCH] x11. fix nullref

---
 samples/ControlCatalog/Pages/ClipboardPage.xaml.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
index 5fc6d175ea..c96318507b 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
@@ -154,7 +154,7 @@ namespace ControlCatalog.Pages
             if (TopLevel.GetTopLevel(this)?.Clipboard is { } clipboard)
             {
                 var formats = await clipboard.GetFormatsAsync();
-                ClipboardContent.Text = string.Join(Environment.NewLine, formats);
+                ClipboardContent.Text = formats != null ? string.Join(Environment.NewLine, formats) : string.Empty;
             }
         }