AddPageToCache(Uri pageUri)
{
PackagePart pagePart = CurrentXpsManager.GetPart(pageUri);
if (pagePart == null)
{
throw new XpsPackagingException(SR.Get(SRID.ReachPackaging_PartNotFound));
}
if (!pagePart.ValidatedContentType().AreTypeAndSubTypeEqual(XpsS0Markup.FixedPageContentType))
{
throw new XpsPackagingException(SR.Get(SRID.ReachPackaging_NotAFixedPage));
}
//
// Create the reader/writer for the part
//
IXpsFixedPageReader pageReader = new XpsFixedPageReaderWriter(CurrentXpsManager, this, pagePart, null, _pageCache.Count + 1);
//
// Cache the new reader/writer for later
//
_pageCache.Add(pageReader);
return(pageReader);
}
AddFixedPage(
)
{
if (null == _metroPart || null == CurrentXpsManager.MetroPackage)
{
throw new ObjectDisposedException("XpsFixedDocumentReaderWriter");
}
//
// Only one page can be created/written at a time.
//
if (null != _currentPage)
{
throw new XpsPackagingException(SR.Get(SRID.ReachPackaging_PanelOrSequenceAlreadyOpen));
}
_linkTargetStream = new List <String>();
//
// Create the part and writer
//
PackagePart metroPart = this.CurrentXpsManager.GenerateUniquePart(XpsS0Markup.FixedPageContentType);
XpsFixedPageReaderWriter fixedPage = new XpsFixedPageReaderWriter(CurrentXpsManager, this, metroPart, _linkTargetStream, _pagesWritten + 1);
//
// Make the new page the current page
//
_currentPage = fixedPage;
//Here we used to add the fixed page to _pageCache, but _pageCache is never accessed if this object was created as an IXpsFixedDocumentWriter.
//So instead keep a separate pagesWritten count and forget about the cache when using this method.
_pagesWritten++;
return(fixedPage);
}
