protected override IEnumerable <DestinationFile> ConvertApplicableImageThenSave(
SourceFile source,
ImageFileKind destinationKind,
ArgumentOptionCollection optionCollection,
ILogger logger)
{
var savedImageFiles = new List <DestinationFile>();
try
{
using (var powerPointApplication = new PowerPointApplication(new Application()))
{
var application = powerPointApplication.Application;
var presentation = application.Presentations;
using (var presenationFile = new PowerPointPresentation(presentation.Open(
FileName: source.Path,
ReadOnly: MsoTriState.msoTrue,
Untitled: MsoTriState.msoTrue,
WithWindow: MsoTriState.msoTrue)))
{
var file = presenationFile.Presentation;
foreach (var slide in EnumeratePowerPointSlides(file))
{
if (!optionCollection.PowerpointPageRange.Contains((uint)slide.SlideNumber))
{
continue;
}
slide.Select();
slide.Shapes.SelectAll();
var selection = application.ActiveWindow.Selection;
var shapes = selection.ShapeRange;
var destinationPathForSlide = $"{Path.GetDirectoryName(source.Path)}\\{Path.GetFileNameWithoutExtension(source.Path)}{slide.SlideNumber}{destinationKind.GetExtensionWithDot()}";
var destinationForSlide = new DestinationFile(destinationPathForSlide);
if (!DeleteExistingFileIfNecessary(destinationForSlide, optionCollection, logger))
{
continue;
}
//create emf
shapes.Export(destinationForSlide.Path, PpShapeFormat.ppShapeFormatEMF);
savedImageFiles.Add(destinationForSlide);
}
}
}
}
catch (Exception e)
{
logger.WriteLog($"Failed to convert powerpoint slide to emf images: {e.Message}\n{e.StackTrace}", LogLevel.Error);
}
return(savedImageFiles);
}
public void close()
{
if (PowerPointPresentation != null)
{
PowerPointPresentation.Close();
}
PowerPointPresentation = null;
if (PowerPointApplication == null)
{
return;
}
if (PowerPointApplication.Presentations.Count == 0)
{
PowerPointApplication.Quit();
}
PowerPointApplication = null;
}
