private void CreateRootFolderAsyncBegin(TreeNode node)
{
var taskScheduler = TaskScheduler.FromCurrentSynchronizationContext();
var task = Task <string> .Factory.StartNew(() => DokuFlexService.CreateFolder(_ticket, _currentGroup.id, string.Empty, node.Text));
task.ContinueWith(t => CreateFolderAsyncEnd(t.Result, node), taskScheduler);
task.ContinueWith(t => TaskAsyncExceptionHandle(t.Exception),
new CancellationTokenSource().Token, TaskContinuationOptions.OnlyOnFaulted,
taskScheduler);
}