Converting PowerPoint Presentations to JPEG

////////////////////////////////////////////////////////////////////////////////////////////////////
// This example was designed for using in Delphi 7 or higher.
//
// 1. Microsoft PowerPoint 97 or above should be installed and activated on your PC.
//
// 2. Universal Document Converter 5.2 or above should be installed, too.
//
// 3. Add "Universal Document Converter Type Library" and "Microsoft PowerPoint 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).
//
// 4. Notice that the number of Microsoft PowerPoint's method parameters may depend on the Office version.
//
////////////////////////////////////////////////////////////////////////////////////////////////////

program PowerPointToJPEG;

{$APPTYPE CONSOLE}

uses
  SysUtils,
  Variants,
  Dialogs,
  ActiveX,
  Windows,
  UDC_TLB,
  Office_TLB,
  PowerPoint_TLB;

  procedure PrintPowerPointToJPEG(PowerPointFilePath: string);
  var
    objUDC: IUDC;
    Printer: IUDCPrinter;
    Profile: IProfile;
    PowerPointApp: PowerPointApplication;
    Presentation: PowerPointPresentation;
    PrintOptions: PowerPoint_TLB.PrintOptions;
  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.Orientation := PO_LANDSCAPE;

    Profile.FileFormat.ActualFormat := FMT_JPEG;
    Profile.FileFormat.JPEG.ColorSpace := CS_TRUECOLOR;

    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;

    //Run Microsoft Excel as COM-server
    PowerPointApp := CoPowerPointApplication.Create;

    //Open document from file
    Presentation := PowerPointApp.Presentations.Open(PowerPointFilePath, msoTrue,  msoTrue, msoFalse);

    //Print all slides from the presentation
    PrintOptions := Presentation.PrintOptions;
    PrintOptions.PrintInBackground := msoFalse;
    PrintOptions.ActivePrinter := 'Universal Document Converter';

    Presentation.PrintOut(0, Presentation.Slides.Count, '', 1, msoFalse);

    //Close the presentation
    Presentation.Close();

    //Close Microsoft PowerPoint
    PowerPointApp.Quit();
  end;

var
  TestFilePath: string;
begin
  TestFilePath := ExtractFilePath(ParamStr(0)) + 'TestFile.ppt';
  try
    CoInitialize(nil);
    try
      PrintPowerPointToJPEG(TestFilePath);
    finally
      CoUninitialize;
    end;
  except
    on E: Exception do
      MessageDlg(E.ClassName + ' : ' + E.Message, mtError, [mbOK], 0);
  end;
end.