TFPExprIdentifierDefs.AddFunction

public function TFPExprIdentifierDefs.AddFunction(

  const AName: ShortString;

  const AResultType: AnsiChar;

  const AParamTypes: AnsiString;

  ACallBack: TFPExprFunctionCallBack

):TFPExprIdentifierDef;

function TFPExprIdentifierDefs.AddFunction(

  const AName: ShortString;

  const AResultType: AnsiChar;

  const AParamTypes: AnsiString;

  ACallBack: TFPExprFunctionEvent

):TFPExprIdentifierDef;

function TFPExprIdentifierDefs.AddFunction(

  const AName: ShortString;

  const AResultType: AnsiChar;

  const AParamTypes: AnsiString;

  ANodeClass: TFPExprFunctionClass

):TFPExprIdentifierDef;