修改 Dev7E批量读写时，回调的retData, 是按顺序的每条指令的retData。

GeneralGommunication/Dev7E.cs

@@ -519,13 +519,14 @@ namespace GeneralGommunication
                 //完成, 全部回复
                 if (_tran.asyncDelegate != null)
                 {
+                    var retDatas = _tran.transactions.Select(t => t.retData).ToArray();
                     if (dispatcher != null)//线程同步执行
                     {
-                        dispatcher.BeginInvoke(_tran.asyncDelegate, _tran.asyncContext, _tran);
+                        dispatcher.BeginInvoke(_tran.asyncDelegate, _tran.asyncContext, retDatas);
                     }
                     else
                     {
-                        _tran.asyncDelegate.Invoke(_tran.asyncContext, _tran);
+                        _tran.asyncDelegate.Invoke(_tran.asyncContext, retDatas);
                     }
                 }