Fix IsCheckedChanged in ToggleSplitButton to be nullable

4 years ago · 0a36aec64a
1 changed files with 1 additions and 1 deletions
--- a/src/Avalonia.Controls/SplitButton/ToggleSplitButton.cs
+++ b/src/Avalonia.Controls/SplitButton/ToggleSplitButton.cs
@ -18,7 +18,7 @@ namespace Avalonia.Controls
        /// <summary>
        /// Raised when the <see cref="IsChecked"/> property value changes.
        /// </summary>
-        public event EventHandler<RoutedEventArgs> IsCheckedChanged
+        public event EventHandler<RoutedEventArgs>? IsCheckedChanged
        {
            add => AddHandler(IsCheckedChangedEvent, value);
            remove => RemoveHandler(IsCheckedChangedEvent, value);