From b7d4efa147e099b28a87cac4c4a982bc3814fc26 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartosz=20Korczy=C5=84ski?= <b.andysc@gmail.com>
Date: Wed, 7 Feb 2024 07:32:12 +0000
Subject: [PATCH] Wrap Clipboard.GetTextAsync in a try-catch to mimic WPF
 default behavior (#14505)

(in WPF this is configurable via FrameworkCompatibilityPreferences.ShouldThrowOnCopyOrCutFailure but by default in WPF it won't throw)
---
 src/Avalonia.Controls/MaskedTextBox.cs | 10 +++++++++-
 src/Avalonia.Controls/TextBox.cs       | 11 ++++++++++-
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/Avalonia.Controls/MaskedTextBox.cs b/src/Avalonia.Controls/MaskedTextBox.cs
index 10eae5e7c0..7278bb17c9 100644
--- a/src/Avalonia.Controls/MaskedTextBox.cs
+++ b/src/Avalonia.Controls/MaskedTextBox.cs
@@ -216,7 +216,15 @@ namespace Avalonia.Controls
                 if (clipboard is null)
                     return;
 
-                var text = await clipboard.GetTextAsync();
+                string? text = null;
+                try
+                {
+                    text = await clipboard.GetTextAsync();
+                }
+                catch (TimeoutException)
+                {
+                    // Silently ignore.
+                }
 
                 if (text == null)
                     return;
diff --git a/src/Avalonia.Controls/TextBox.cs b/src/Avalonia.Controls/TextBox.cs
index ce6936b300..5466c61b68 100644
--- a/src/Avalonia.Controls/TextBox.cs
+++ b/src/Avalonia.Controls/TextBox.cs
@@ -1147,7 +1147,16 @@ namespace Avalonia.Controls
             var clipboard = TopLevel.GetTopLevel(this)?.Clipboard;
 
             if (clipboard != null)
-                text = await clipboard.GetTextAsync();
+            {
+                try
+                {
+                    text = await clipboard.GetTextAsync();
+                }
+                catch (TimeoutException)
+                {
+                    // Silently ignore.
+                }
+            }
 
             if (string.IsNullOrEmpty(text))
             {