Header File: dbisamtb

typedef void __fastcall (__closure
      *TTextIndexTokenFilterEvent)(System::TObject* Sender, const
      System::UnicodeString TableName, const System::UnicodeString
      FieldName, const System::UnicodeString TextIndexToken, bool
      &Include)

This type is used for the TDBISAMEngine OnTextIndexTokenFilter event. Please see the Customizing the Engine topic for more information.