Haber si esto te ayuda, saludos...
////////////////////////////////////////////////////////////////////////
// GetProperty()/ Universal functions that set or return any property
// SetProperty() - (except object property) of any Fast Report object.
// Possible values of sObjectName:
//
// Report, Designer,
// PDFExport, HTMLExport, RTFExport, CSVExport,
// XLSExport, DotMatrixExport, BMPExport, JPEGExport,
// TIFFExport, GIFExport, SimpleTextExport, MailExport
//
// For properties of objects that is property of this
// "main" objects '.'-delimeter must be used. For
// example:
// "Designer.DefaultFont"
//
// For full list of values for sPropName param see Fast
// Report documentation:
//
http://www.fast-report.com/en/documentation/
//
// Examples:
// SetProperty("Report", "ScriptLanguage", "PascalScript")
// SetProperty("PDFExport", "FileName", "My file.pdf")
// SetProperty("PDFExport", "ShowDialog", .f.)
//
// For Delphi enumerated types and set type use its
// string representation, for example:
// SetProperty("Designer.DefaultFont", "Style", "[fsBold, fsItalic]")
//
////////////////////////////////////////////////////////////////////////
METHOD SetProperty(sObjectName, sPropName, Value) class frReportManager
MEMVAR tmp_Param
PRIVATE tmp_Param := Value
RETURN Call_Func_CC_I(::_SetProperty, sObjectName, sPropName) == 1