如何使用EWS托管API从PublicFolders的文件夹和子文件夹中获取所有ITEMS

Question

如何从Exchange Server2010 uisng托管API中的"公共文件夹"及其"子文件夹"中检索所有项目？

rootfolder = Folder.Bind(service,WellKnownFolderName.PublicFoldersRoot);
rootfolder.Load();                                             
foreach (Folder folder in rootfolder.FindFolders(new FolderView(int.MaxValue)))
{
FindItemsResults<Item> findResults = folder.FindItems(iv); 
 foreach (Item item in findResults)

         {
            //get item info;
         } 
}

"如果我这样做,我不会在它的子文件夹中出现项目..公共文件夹也不支持深度遍历查询..如何从公用文件夹的子文件夹中获取项目???"

Answer 1

要获取所有文件夹,请使用以下代码:

public void GetAllFolders(ExchangeService service, List<Folder> completeListOfFolderIds)
    {
        FolderView folderView = new FolderView(int.MaxValue);
        FindFoldersResults findFolderResults = service.FindFolders(WellKnownFolderName.PublicFoldersRoot, folderView);
        foreach (Folder folder in findFolderResults)
        {
            completeListOfFolderIds.Add(folder);
            FindAllSubFolders(service, folder.Id, completeListOfFolderIds);
        }
    }

private void FindAllSubFolders(ExchangeService service, FolderId parentFolderId, List<Folder> completeListOfFolderIds)
    {
        //search for sub folders
        FolderView folderView = new FolderView(int.MaxValue);
        FindFoldersResults foundFolders = service.FindFolders(parentFolderId, folderView);

        // Add the list to the growing complete list
        completeListOfFolderIds.AddRange(foundFolders);

        // Now recurse
        foreach (Folder folder in foundFolders)
        {
            FindAllSubFolders(service, folder.Id, completeListOfFolderIds);
        }
    }

获取所有项目:

List<Folder> completeListOfFolderIds = new List<Folder>();
//Fills list with all public folders and subfolders
GetAllFolders(service, completeListOfFolderIds);
foreach(Folder folder in completeListOfFolderIds)
{
ItemView itemView = new ItemView(int.MaxValue);
FindItemsResults<Item> searchResults = service.FindItems(folder.Id, itemView);
//do something with item list    
}

Answer 2

您需要对公共文件夹树执行递归遍历。您无法对公用文件夹执行深度遍历。