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Página principal>Developer Solutions>Examples>Delphi>Excel Spreadsheets to PDF

Converting Excel Spreadsheets to PDF

//////////////////////////////////////////////////////////////////////////////////////////////////// // This example was designed for using in Delphi 7 or higher. // // 1. Microsoft Excel 97 or above should be installed and activated on your PC. // // 2. Universal Document Converter 5.2 or above should be installed, too. // // 3. Before using this example, please read this article from Microsoft Excel 2003 knowledge base: // http://support.microsoft.com/kb/320369/en-us/ // A workaround for this issue is available in this example. // // 4. Add "Universal Document Converter Type Library" and "Microsoft Excel XX.0 Object Library" type libraries to the project. // XX is the Microsoft Office version installed on your computer. // // Delphi 7: // Use the Project | Import Type Library menu. // Delphi 2006 or latter: // Use the Component | Import Component menu. // // Clear the "Generate Component Wrapper" checkbox and click the "Create Unit" button (Delphi 7) or // select the "Create Unit" option (Delphi 2006 or latter). // // 5. Notice that the number of Microsoft Excel's method parameters may depend on the Office version. // //////////////////////////////////////////////////////////////////////////////////////////////////// program ExcelToPDF; {$APPTYPE CONSOLE} {$DEFINE LATE_BINDING} uses SysUtils, Variants, Windows, Dialogs, ActiveX, UDC_TLB, Excel_TLB; procedure PrintExcelToPDF(ExcelFilePath: string); var objUDC: IUDC; Printer: IUDCPrinter; Profile: IProfile; ExcelApp: ExcelApplication; Workbook: ExcelWorkbook; Worksheet: ExcelWorksheet; PageSetup: Excel_TLB.PageSetup; ReadOnly: OleVariant; Missing: OleVariant; Preview: OleVariant; SaveChanges: OleVariant; {$IFNDEF LATE_BINDING} LocaleID: Integer; {$ENDIF} begin //Create a UDC object and get its interfaces objUDC := CoAPIWrapper.Create; Printer := objUDC.get_Printers('Universal Document Converter'); Profile := Printer.Profile; //Use Universal Document Converter API to change settings of converterd document Profile.PageSetup.ResolutionX := 150; Profile.PageSetup.ResolutionY := 150; Profile.FileFormat.ActualFormat := FMT_PDF; Profile.FileFormat.PDF.ColorSpace := CS_TRUECOLOR; Profile.FileFormat.PDF.Multipage := MM_MULTI; Profile.OutputLocation.Mode := LM_PREDEFINED; Profile.OutputLocation.FolderPath := 'c:\UDC Output Files'; Profile.OutputLocation.FileName := '&[DocName(0)] -- &[Date(0)] -- &[Time(0)].&[ImageType]'; Profile.OutputLocation.OverwriteExistingFile := False; Profile.PostProcessing.Mode := PP_OPEN_FOLDER; //Create a Excel's Application object ExcelApp := CoExcelApplication.Create; ReadOnly := True; Missing := Variants.EmptyParam; //This will be passed when ever we don’t want to pass value //If you run an English version of Excel on a computer with the regional settings are configured for a non-English language, you must pass the correct locale ID. //Open the document from a file {$IFDEF LATE_BINDING} Workbook := IDispatch(OleVariant(ExcelApp).Workbooks.Open(FileName := ExcelFilePath, ReadOnly := ReadOnly)) as ExcelWorkbook; {$ELSE} LocaleID := $0409; //set en-US locale or call GetThreadLocale Workbook := ExcelApp.Workbooks.Open(ExcelFilePath, Missing, ReadOnly, Missing, Missing, Missing, Missing, Missing, Missing, Missing, Missing, Missing, Missing, Missing, Missing, LocaleID); {$ENDIF} //Change active worksheet settings and print it Worksheet := Workbook.ActiveSheet as ExcelWorksheet; PageSetup := Worksheet.PageSetup; PageSetup.Orientation := xlLandscape; Preview := False; {$IFDEF LATE_BINDING} OleVariant(Worksheet).PrintOut(Preview := Preview, ActivePrinter := 'Universal Document Converter'); {$ELSE} Worksheet.PrintOut(Missing, Missing, Missing, Preview, 'Universal Document Converter', Missing, Missing, Missing, LocaleID); {$ENDIF} //Close the spreadsheet without saving changes SaveChanges := False; {$IFDEF LATE_BINDING} OleVariant(Workbook).Close(SaveChanges := SaveChanges); {$ELSE} Workbook.Close(SaveChanges, Missing, Missing, LocaleID); {$ENDIF} //Close Microsoft Excel ExcelApp.Quit(); end; var TestFilePath: string; begin TestFilePath := ExtractFilePath(ParamStr(0)) + 'TestFile.xls'; try CoInitialize(nil); try PrintExcelToPDF(TestFilePath); finally CoUninitialize; end; except on E: Exception do MessageDlg(E.ClassName + ' : ' + E.Message, mtError, [mbOK], 0); end; end.

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