public void CreateShelveset(bool force = false)
        {
            try
            {
                if (TfsExt == null) return;
                var domainUri = WebUtility.UrlDecode(_tfsExt.ActiveProjectContext.DomainUri);
                var teamProjectCollection = TfsTeamProjectCollectionFactory.GetTeamProjectCollection(new Uri(domainUri));
                teamProjectCollection.Credentials = CredentialCache.DefaultNetworkCredentials;
                teamProjectCollection.EnsureAuthenticated();

                var service = (VersionControlServer)teamProjectCollection.GetService(typeof(VersionControlServer));
                var allLocalWorkspaceInfo = Workstation.Current.GetAllLocalWorkspaceInfo();

                foreach (var workspaceInfo in allLocalWorkspaceInfo)
                {
                    // Replace(/,"") before comparing domainUri to prevent: "TFS Auto Shelve shelved 0 pending changes. Shelveset Name: "
                    if (workspaceInfo.MappedPaths.Length <= 0 ||
                        workspaceInfo.ServerUri.ToString().Replace("/", string.Empty) !=
                        domainUri.Replace("/", string.Empty)) continue;
                    var workspace = service.GetWorkspace(workspaceInfo);
                    CreateShelveset(service, workspace, force);
                }
            }
            catch (Exception ex)
            {
                _tfsExt = null; // Force re-init on next attempt
                if (OnShelvesetCreated != null)
                {
                    var autoShelveEventArg = new ShelvesetCreatedEventArgs { ExecutionException = ex };
                    OnShelvesetCreated(this, autoShelveEventArg);
                }
            }
        }
        /////////////////////////////////////////////////////////////////////////////
        // Overridden Package Implementation
        #region Package Members

        private void autoShelve_OnShelvesetCreated(object sender, ShelvesetCreatedEventArgs e)
        {
            if (e.ExecutionSuccess)
            {
                if (e.ShelvesetChangeCount == 0)
                {
                    //WriteToOutputWindow(".");
                }
                else
                {
                    var str = string.Format("Shelved {0} pending change{1} to Shelveset Name: {2}", e.ShelvesetChangeCount,
                      e.ShelvesetChangeCount != 1 ? "s" : "", e.ShelvesetName);
                    if (e.ShelvesetsPurgeCount > 0)
                    {
                        str += string.Format(" | Maximum Shelvesets: {0} | Deleted: {1}", _autoShelve.MaximumShelvesets, e.ShelvesetsPurgeCount);
                    }
                    WriteToStatusBar(str);
                    WriteLineToOutputWindow(str);
                }
            }
            else
            {
                WriteException(e.ExecutionException);
            }
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="service"></param>
        /// <param name="workspace"></param>
        /// <param name="force">True when the user manually initiates a ShelveSet via the Team menu or mapped shortcut key.</param>
        private void CreateShelveset(VersionControlServer service, Workspace workspace, bool force)
        {
            // Build event args for notification create shelveset result
            var autoShelveEventArg = new ShelvesetCreatedEventArgs();

            try
            {
                // If there are no pending changes that have changed since the last shelveset then there is nothing to do
                bool isDelta = false;
                var pendingChanges = workspace.GetPendingChanges();
                int numPending = pendingChanges.Count();

                if (!force && numPending > 0)
                {
                    // Compare numPending to numItemsShelved;  Force shelveset if they differ
                    // Otherwise, resort to comparing file HashValues
                    var lastShelveset = GetPastShelvesets(service, workspace).FirstOrDefault();
                    var shelvedChanges = service.QueryShelvedChanges(lastShelveset)[0].PendingChanges;
                    int numItemsShelved = lastShelveset == null ? 0 : shelvedChanges.Count();
                    isDelta = (numPending != numItemsShelved) || pendingChanges.DifferFrom(shelvedChanges);
                }
                autoShelveEventArg.ShelvesetChangeCount = (force || isDelta) ? numPending : 0;
                if (force || isDelta)
                {
                    // Build a new, valid shelve set name
                    var setname = string.Format(ShelvesetName, workspace.Name, workspace.OwnerName, DateTime.Now, workspace.OwnerName.GetDomain(), workspace.OwnerName.GetLogin());
                    setname = CleanShelvesetName(setname);

                    // Actually create a new Shelveset 
                    var shelveset = new Shelveset(service, setname, workspace.OwnerName);
                    autoShelveEventArg.ShelvesetName = setname;
                    shelveset.Comment = string.Format("Shelved by {0}. {1} items", _extensionName, numPending);
                    workspace.Shelve(shelveset, pendingChanges, ShelvingOptions.Replace);

                    // Clean up past Shelvesets
                    if (MaximumShelvesets > 0)
                    {
                        foreach (var set in GetPastShelvesets(service, workspace).Skip(MaximumShelvesets))
                        {
                            service.DeleteShelveset(set);
                            autoShelveEventArg.ShelvesetsPurgeCount++;
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                _tfsExt = null; // Force re-init on next attempt
                autoShelveEventArg.ExecutionException = ex;
            }
            // Fire event for each VS instance to report results
            if (OnShelvesetCreated != null)
            {
                OnShelvesetCreated(this, autoShelveEventArg);
            }
        }