The latest build of this product (v25.1.1) was released 2 months ago,
which was before this thread was created.

Hello,
I am using:
result = ActiproSoftware.Windows.Controls.ThemedMessageBox.Show(message, ApplicationInfo.ProductName, MessageBoxButton.YesNo,
MessageBoxImage.Question, MessageBoxResult.No);
how can I achieve the buttons Yes, No, Cancel, etc, to be localized?