public void FindFoldersByIdsAsync(long[] folderIds, object userState) { if ((this.FindFoldersByIdsOperationCompleted == null)) { this.FindFoldersByIdsOperationCompleted = new System.Threading.SendOrPostCallback(this.OnFindFoldersByIdsOperationCompleted); } this.InvokeAsync("FindFoldersByIds", new object[] { folderIds}, this.FindFoldersByIdsOperationCompleted, userState); }