pdf_file = "c:\MyPdf.pdf" pdf_handler = FOPEN(pdf_file, 12) && Trying to open file for Read & Write IF pdf_handler < 0 MessageBox("PDF File is opened",0,"Warning") RETURN ENDIF FCLOSE(pdf_handler) ERASE (pdf_filei get error "file is in use" on line fclose(pdf_handler)? fclose returns to .f.