Update TextInputResponder.cs

fixes #9956
3 years ago · c1410af0d5
1 changed files with 1 additions and 1 deletions
--- a/src/iOS/Avalonia.iOS/TextInputResponder.cs
+++ b/src/iOS/Avalonia.iOS/TextInputResponder.cs
@ -445,7 +445,7 @@ partial class AvaloniaView

        UITextPosition IUITextInput.BeginningOfDocument => _beginningOfDocument;

-        private int DocumentLength => _client.SurroundingText.Text.Length + (_markedText?.Length ?? 0);
+        private int DocumentLength => (_client.SurroundingText.Text?.Length ?? 0) + (_markedText?.Length ?? 0);
        UITextPosition IUITextInput.EndOfDocument => new AvaloniaTextPosition(DocumentLength);

        UITextRange IUITextInput.MarkedTextRange