private void RegisterCommandOrShift(RoutedCommand command, Key key, ModifierKeys modifierKeys = ModifierKeys.None, object commandParameter = null)
{
RadRichTextBox.RegisterCommand(command, key, modifierKeys, commandParameter);
RadRichTextBox.RegisterCommand(command, key, modifierKeys | ModifierKeys.Shift, commandParameter);
}
public void RegisterCommand(RoutedCommand command, Key key, ModifierKeys modifierKeys = ModifierKeys.None, object commandParameter = null)
{
RadRichTextBox.RegisterCommand(command, key, modifierKeys, commandParameter);
}