C++ office2010 outlook mapi import

#import "C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\mso.dll" no_namespace,rename("DocumentProperties", "DocProps")
#import "C:\Program Files (x86)\Microsoft Office\Office14\MSOUTL.OLB" \
				rename_namespace("Outlook") \
				rename("GetOrganizer", "GetOrganizerAddressEntry")


#pragma warning(default:4146)


using namespace Outlook;


int main()
{
	CoInitialize(NULL);
	_ApplicationPtr spApp("Outlook.Application");
  _NameSpacePtr pMAPI = spApp->GetNamespace("MAPI");
  pMAPI->Logon("","",false,false);
  MAPIFolderPtr InboxFolder = pMAPI->GetDefaultFolder(olFolderInbox);
  _ItemsPtr Items = InboxFolder->GetItems();
  printf("Total number of messages in Inbox - %d \n", Items->Count);
  CoUninitialize();
	return 0;
}