Header File: dbisamtb

typedef void __fastcall (__closure
      *TTextIndexFilterEvent)(System::TObject* Sender, const
      System::UnicodeString TableName, const System::UnicodeString
      FieldName, System::UnicodeString &TextToIndex)

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