DocuSign API：尝试移动信封并出现错误

Question

relatively new to SO so be easy on me:)

Anyways, I am using the C# DocuSign API to try and move some envelopes from one folder to another. I'm getting an "Invalid response type." exception however, even though the envelopes are actually being moved as expected. Here is my code - can anyone immediately spot what I'm doing wrong here or how to call this function without getting an exception?

namespace DocuSign.RetrieveEnvelopes
{
    public class Program
    {
        private static readonly EnvelopesApi _envelopesApi = new EnvelopesApi();
        private static readonly FoldersApi _foldersApi = new FoldersApi();
        private static readonly FoldersRequest _foldersRequest = new FoldersRequest();
        private static Folder targetFolder;
        private static Folder fromFolder;

        private static void Main(string[] args)
        {
            try
            {
                DocuSignUtils.ConfigureApiClient();
                Config.AccountId = DocuSignUtils.Authenticate();

                var folders = _foldersApi.List(Config.AccountId);
                _foldersRequest.EnvelopeIds = new List<string>();

                foreach (var foldr in folders.Folders)
                {
                    if (foldr.Name == "Completed") { targetFolder = foldr; }
                    else if (foldr.Name == "Sent Items") { fromFolder = foldr; }
                }

                var envelops = _foldersApi.ListItems(Config.AccountId, fromFolder.FolderId);

                foreach (FolderItem fItem in envelops.FolderItems)
                {
                    Envelope eItem = _envelopesApi.GetEnvelope(Config.AccountId, fItem.EnvelopeId);

                    if (eItem.Status == "completed")
                    {
                        _foldersRequest.EnvelopeIds.Add(eItem.EnvelopeId);

                        var docItem = _envelopesApi.GetDocument(Config.AccountId, eItem.EnvelopeId, "combined");
                        var fStream = File.Create("C:\\Temp\\data\\" + eItem.EmailSubject.ToString() + ".pdf");
                        docItem.Seek(0, SeekOrigin.Begin);
                        docItem.CopyTo(fStream);
                        fStream.Close();

                    }
                }


                if (_foldersRequest.EnvelopeIds.Count >= 1)
                {
                    FoldersResponse fResponse = _foldersApi.MoveEnvelopes(Config.AccountId, targetFolder.FolderId, _foldersRequest);
                }
                
            catch (Exception ex)
            {
                RetrieveEnvelopsErrorHandler.LogException(ex);
            }
        }
}

Note: _foldersApi is a FoldersAPI object and _foldersRequest is a FoldersRequest object with envelope ids of the envelopes I'd like to move. Also, I tried just calling this function directly without assigning the return value to a FoldersResponse var but it gave the same error.

Stack Trace:

" at DocuSign.eSign.Client.ApiClient.Deserialize(Byte[] content, Type type, IList`1 headers)\r\n   at DocuSign.eSign.Api.FoldersApi.MoveEnvelopesWithHttpInfo(String accountId, String folderId, FoldersRequest foldersRequest)\r\n   at DocuSign.eSign.Api.FoldersApi.MoveEnvelopes(String accountId, String folderId, FoldersRequest foldersRequest)\r\n   at DocuSign.RetrieveEnvelopes.Program.Main(String[] args) in C:\\DocuSign\\DocuSign.RetrieveEnvelopes\\Program.cs:line 73"

Answer 1

Here is corrected code with latest Nuget (SDK):

        FoldersApi _foldersApi = new FoldersApi(apiClient);

        FoldersRequest _foldersRequest = new FoldersRequest();
        var folders = _foldersApi.List(accountId);
        _foldersRequest.EnvelopeIds = new List<string>();

        Folder fromFolder = new Folder();
        Folder targetFolder = new Folder();
        foreach (var foldr in folders.Folders)
        {
            if (foldr.Name == "Completed") { targetFolder = foldr; }
            else if (foldr.Name == "Sent Items") { fromFolder = foldr; }
        }

        var envelops = _foldersApi.ListItems(accountId, fromFolder.FolderId);
        foreach (Folder folder in envelops.Folders)
        {
            foreach (FolderItemV2 fItem in folder.FolderItems)
            {
                Envelope eItem = envelopesApi.GetEnvelope(accountId, fItem.EnvelopeId);

                if (eItem.Status == "completed")
                {
                    _foldersRequest.EnvelopeIds.Add(eItem.EnvelopeId);

                    var docItem = envelopesApi.GetDocument(accountId, eItem.EnvelopeId, "combined");
                    var fStream = File.Create("C:\\Temp\\data\\" + eItem.EmailSubject.ToString() + ".pdf");
                    docItem.Seek(0, SeekOrigin.Begin);
                    docItem.CopyTo(fStream);
                    fStream.Close();

                }
            }
        }


        if (_foldersRequest.EnvelopeIds.Count >= 1)
        {
            FoldersResponse fResponse = _foldersApi.MoveEnvelopes(accountId, targetFolder.FolderId, _foldersRequest);
        }
    }