public static XDocument GetPageContent(ref Application oneNoteApp, string pageId, PageInfo pageInfo, out XmlNamespaceManager xnm)
{
string xml = null;
UseOneNoteAPI(ref oneNoteApp, (oneNoteAppSafe) =>
{
oneNoteAppSafe.GetPageContent(pageId, out xml, pageInfo, Constants.CurrentOneNoteSchema);
});
return(OneNoteUtils.GetXDocument(xml, out xnm));
}
private static void UpdatePageContentSafeInternal(ref Application oneNoteApp, XDocument pageContent, XmlNamespaceManager xnm, int?attemptsCount)
{
var inkNodes = pageContent.Root.XPathSelectElements("one:InkDrawing", xnm)
.Union(pageContent.Root.XPathSelectElements("//one:OE[.//one:InkDrawing]", xnm))
.Union(pageContent.Root.XPathSelectElements("one:Outline[.//one:InkWord]", xnm)).ToArray();
foreach (var inkNode in inkNodes)
{
if (inkNode.XPathSelectElement(".//one:T", xnm) == null)
{
inkNode.Remove();
}
else
{
var inkWords = inkNode.XPathSelectElements(".//one:InkWord", xnm).Where(ink => ink.XPathSelectElement(".//one:CallbackID", xnm) == null).ToArray();
inkWords.Remove();
}
}
var pageTitleEl = pageContent.Root.XPathSelectElement("one:Title", xnm); // могли случайно удалить заголовок со страницы
if (pageTitleEl != null && !pageTitleEl.HasElements && !pageTitleEl.HasAttributes)
{
pageTitleEl.Remove();
}
try
{
UseOneNoteAPI(ref oneNoteApp, (oneNoteAppSafe) =>
{
oneNoteAppSafe.UpdatePageContent(pageContent.ToString(), DateTime.MinValue, Constants.CurrentOneNoteSchema);
});
}
catch (COMException ex)
{
if (attemptsCount.GetValueOrDefault(int.MaxValue) < 30 && // 15 секунд - но каждое обновление требует времени. поэтому на самом деле дольше
(OneNoteUtils.IsError(ex, Error.hrPageReadOnly) || OneNoteUtils.IsError(ex, Error.hrSectionReadOnly)))
{
Thread.Sleep(500);
UpdatePageContentSafeInternal(ref oneNoteApp, pageContent, xnm, attemptsCount + 1);
}
else
{
throw;
}
}
}
