c# - How to query Exchange mail server for email items? -


i trying upgrade en existing application reads exchange 2003 using webdav. mail server upgraded exchange 2013, checking how can use ews.

i have problem in although know inbox has unread items attachments, query running against finditems object returning empty...

here code snippet:

private static void getattachments(exchangeservice service) {     // return single item.     itemview view = new itemview(100);     servicepointmanager.servercertificatevalidationcallback = certificatevalidationcallback;     exchangeservice service = new exchangeservice(exchangeversion.exchange2010_sp2);// .exchange2007_sp1);      service.usedefaultcredentials = true;     service.autodiscoverurl("bbtest@bocuk.local", redirectionurlvalidationcallback);      itemview view = new itemview(1);      string querystring = "hasattachments:true subject:'attachment test' kind:email";      // find first email message in inbox has attachments.      // results in finditem operation call ews.     finditemsresults<item> results = service.finditems(wellknownfoldername.inbox, querystring, view);      //finditemsresults<item> results = service.finditems(wellknownfoldername.inbox, new itemview(50));      if (results.totalcount > 0)         {             // looping through emails             (int16 idx = 0; idx < results.totalcount-1; idx++)             {                  emailmessage email = results.items[idx] emailmessage;                  if (email.isread == false) {                       // request attachments on email message. results in getitem operation call ews.                     email.load(new propertyset(emailmessageschema.attachments));                      foreach (attachment attachment in email.attachments)                     {                         if (attachment fileattachment)                         {                             fileattachment fileattachment = attachment fileattachment;

what supposed doing reading unread emails in target inbox (only 1 exchange server) , taking attachments on disk can add them attachments new cases on salesforce.

where going wrong?

also, line:

itemview view = new itemview(100);

was:

itemview view = new itemview(1);

surely 1 email item, right?

i submitted following xml , got expected results. easiest way figure out going on @ xml. 

<?xml version="1.0" encoding="utf-8"?> <soap:envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"                xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types">  <soap:header>     <t:requestserverversion version="exchange2010_sp2"/>   </soap:header> <soap:body>     <finditem xmlns="http://schemas.microsoft.com/exchange/services/2006/messages"                xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types"               traversal="shallow">       <itemshape>         <t:baseshape>idonly</t:baseshape>       </itemshape>       <parentfolderids>         <t:distinguishedfolderid id="inbox"/>      </parentfolderids>       <querystring>hasattachments:true subject:'attachment test' kind:email</querystring>     </finditem>   </soap:body> </soap:envelope>

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