Petzold.SetSpaceProperty.SpaceButton.SpaceOutText C# (CSharp) Méthode

        string SpaceOutText(string str)
        {
            if (str == null)
                return null;

            StringBuilder build = new StringBuilder();
            foreach (char ch in str)
                build.Append(ch + new string(' ', Space));
            return build.ToString();
        }

        // Callback method for property changed.
        static void OnSpacePropertyChanged(DependencyObject obj,
                                           DependencyPropertyChangedEventArgs args)
        {
            SpaceButton btn = obj as SpaceButton;

            btn.Content = btn.SpaceOutText(btn.txt);
        }