private void CurrentText_Updated(object sender, TextChangedEventArgs e)
{
if (currentViewMode == ViewMode.Text)
{
CurrentText = TextBlock.Text;
var textChars = CurrentText.ToCharArray();
CurrentCharSet = new HashSet <char>(textChars.Distinct());
// TODO: bind these values directly in XAML
CountChars.Text = CountChar;
CountUniqueChars.Text = CountCharUnique;
//
UpdateWordCount();
}
}