public QueueMgr(QueueMgr <T> .Exectue exec)
{
this._queue = new Queue <T>();
this._executing = false;
this._exectue = exec;
this._syncRoot = new object();
this._asynExecute = new QueueMgr <T> .AsynExecute(this.Exectuing);
this._asynCallBack = new AsyncCallback(this.AsynCallBack);
}