/// <summary>
    /// 开启一轮请求
    /// </summary>
    public void ProcessNextOne()
    {
        if (lisObj.Count <= 0)
        {
            return;
        }

        NetImageProcess process = this.GetProcess();

        if (process == null)
        {
            return;
        }

        process.StartLoadImage(lisObj[0]);
        lisObj.RemoveAt(0);
    }
 private NetImageProcess GetProcess()
 {
     if (lisProcess.Count < this.maxRequestCount)
     {
         NetImageProcess netImageProcess = new NetImageProcess();
         netImageProcess.SetMono(netImageMono);
         lisProcess.Add(netImageProcess);
         return(netImageProcess);
     }
     else
     {
         for (int i = 0; i < lisProcess.Count; i++)
         {
             if (lisProcess[i].GetIsProcess() == false)
             {
                 return(lisProcess[i]);
             }
         }
         return(null);
     }
 }