public static new int Convert(String inputFile, String outputFile, Hashtable options, ref List <PDFBookmark> bookmarks)
{
// Check for password protection
if (Converter.IsPasswordProtected(inputFile))
{
Console.WriteLine("Unable to open password protected file");
return((int)ExitCode.PasswordFailure);
}
Boolean running = (Boolean)options["noquit"];
try
{
Microsoft.Office.Interop.PowerPoint.Application app = null;
Microsoft.Office.Interop.PowerPoint.Presentation activePresentation = null;
Microsoft.Office.Interop.PowerPoint.Presentations presentations = null;
try
{
try
{
app = (Microsoft.Office.Interop.PowerPoint.Application)Marshal.GetActiveObject("PowerPoint.Application");
}
catch (System.Exception)
{
int tries = 10;
app = new Microsoft.Office.Interop.PowerPoint.Application();
running = false;
while (tries > 0)
{
try
{
// Try to set a property on the object
app.DisplayAlerts = PpAlertLevel.ppAlertsNone;
}
catch (COMException)
{
// Decrement the number of tries and have a bit of a snooze
tries--;
Thread.Sleep(500);
continue;
}
// Looks ok, so bail out of the loop
break;
}
if (tries == 0)
{
Converter.releaseCOMObject(app);
return((int)ExitCode.ApplicationError);
}
}
MSCore.MsoTriState nowrite = (Boolean)options["readonly"] ? MSCore.MsoTriState.msoTrue : MSCore.MsoTriState.msoFalse;
bool pdfa = (Boolean)options["pdfa"] ? true : false;
if ((Boolean)options["hidden"])
{
// Can't really hide the window, so at least minimise it
app.WindowState = PpWindowState.ppWindowMinimized;
}
PpFixedFormatIntent quality = PpFixedFormatIntent.ppFixedFormatIntentScreen;
if ((Boolean)options["print"])
{
quality = PpFixedFormatIntent.ppFixedFormatIntentPrint;
}
if ((Boolean)options["screen"])
{
quality = PpFixedFormatIntent.ppFixedFormatIntentScreen;
}
Boolean includeProps = !(Boolean)options["excludeprops"];
Boolean includeTags = !(Boolean)options["excludetags"];
app.FeatureInstall = MSCore.MsoFeatureInstall.msoFeatureInstallNone;
app.DisplayDocumentInformationPanel = false;
app.DisplayAlerts = PpAlertLevel.ppAlertsNone;
app.Visible = MSCore.MsoTriState.msoTrue;
app.AutomationSecurity = MSCore.MsoAutomationSecurity.msoAutomationSecurityLow;
presentations = app.Presentations;
activePresentation = presentations.Open2007(inputFile, nowrite, MSCore.MsoTriState.msoTrue, MSCore.MsoTriState.msoTrue, MSCore.MsoTriState.msoTrue);
activePresentation.Final = false;
// Sometimes, presentations can have restrictions on them that block
// access to the object model (e.g. fonts containing restrictions).
// If we attempt to access the object model and fail, then try a more
// sneaky method of getting the presentation - create an empty presentation
// and insert the slides from the original file.
var fonts = activePresentation.Fonts;
try
{
var fontCount = fonts.Count;
}
catch (System.Runtime.InteropServices.COMException)
{
Converter.releaseCOMObject(fonts);
// This presentation looked read-only
activePresentation.Close();
Converter.releaseCOMObject(activePresentation);
// Create a new blank presentation and insert slides from the original
activePresentation = presentations.Add(MSCore.MsoTriState.msoFalse);
// This is only a band-aid - backgrounds won't come through
activePresentation.Slides.InsertFromFile(inputFile, 0);
}
Converter.releaseCOMObject(fonts);
activePresentation.ExportAsFixedFormat(outputFile, PpFixedFormatType.ppFixedFormatTypePDF, quality, MSCore.MsoTriState.msoFalse, PpPrintHandoutOrder.ppPrintHandoutVerticalFirst, PpPrintOutputType.ppPrintOutputSlides, MSCore.MsoTriState.msoFalse, null, PpPrintRangeType.ppPrintAll, "", includeProps, true, includeTags, true, pdfa, Type.Missing);
// Determine if we need to make bookmarks
if ((bool)options["bookmarks"])
{
loadBookmarks(activePresentation, ref bookmarks);
}
activePresentation.Saved = MSCore.MsoTriState.msoTrue;
activePresentation.Close();
return((int)ExitCode.Success);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return((int)ExitCode.UnknownError);
}
finally
{
Converter.releaseCOMObject(activePresentation);
Converter.releaseCOMObject(presentations);
if (app != null && !running)
{
app.Quit();
}
Converter.releaseCOMObject(app);
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
catch (System.Runtime.InteropServices.COMException e)
{
Console.WriteLine(e.Message);
return((int)ExitCode.UnknownError);
}
}