Beispiel #1
0
        static void TextPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
        {
            InfoTextBox itb = (InfoTextBox)sender;

            bool actuallyHasText = itb.Text.Length > 0;

            if (actuallyHasText != itb.HasText)
            {
                itb.SetValue(HasTextPropertyKey, actuallyHasText);
            }
        }