internal void FileNameChanged()
{
if (languageBinding != null)
{
languageBinding.Detach();
}
languageBinding = LanguageBindingService.CreateBinding(this); // never returns null
languageBinding.Attach(this);
// update properties set by languageBinding
this.TextEditor.TextArea.IndentationStrategy = new OptionControlledIndentationStrategy(this, languageBinding.FormattingStrategy);
}