.T. = Append was successful. .F. = Append was not successful.
The name of the file that will be at the beginning of the new combined file.
The name of the file that will be at the end of the new combined file.
Optional. Default = "". The name of the file to create. If Result_File is blank, then File_2 is appended to File_1.
The PDF_APPEND() function appends File_2 to File_1, producing Result_File. If Result_File is blank, then File2 is appended to File1.
? pdf_append("c:\inv.pdf", "c:\cus.pdf", "c:\combined.pdf") = .T.