在新线程C#中读取回调数据

时间:2013-06-13 23:10:44

标签: multithreading callback icallbackeventhandler

有人可以帮助我,我有一种方法,我称之为“激活”回调方法(设置为每秒发送一次更改的数据)和第二种方法(首先是“激活”),每秒运行一次给我数据。这一切都很好,但我需要第二种方法在新线程中运行,经过几天的尝试和阅读后,我无法做到这一点。有人可以指导我怎么做吗?这是我的代码。

    int ItemNumItems;
    Array ItemClientHandles;
    Array ItemServerValues;
    Array ItemQualities;
    Array ItemTimeStamps;

    public void Callback()
    {
        //Here I add a delegate with method to be called on data change.

        Grupa1.DataChange += new DIOPCGroupEvent_DataChangeEventHandler(Grupa1_DataChange);
    }

    void Grupa1_DataChange(int TransactionID, int NumItems, ref Array ClientHandles, ref Array ItemValues, ref Array Qualities, ref Array TimeStamps)
    {
        //Here I read my data and pass them to my variables(and this is 
        //runned every second) and I want this method to run in new thread.

        ItemNumItems = NumItems;
        ItemClientHandles = ClientHandles;
        ItemServerValues = ItemValues;
        ItemQualities = Qualities;
        ItemTimeStamps = TimeStamps;
    } 

1 个答案:

答案 0 :(得分:0)

这样的事可能:

void Grupa1_DataChange(int TransactionID, int NumItems, ref Array ClientHandles, ref Array ItemValues, ref Array Qualities, ref Array TimeStamps)
{
    Array tmpClientHandles = ClientHandles;
    Array tmpItemValues = ItemValues;
    Array tmpQualities = Qualities;
    Array tmpTimeStamps = TimeStamps;

    ThreadPool.QueueUserWorkItem(o =>
    {
        //Here I read my data and pass them to my variables(and this is 
        //runned every second) and I want this method to run in new thread.

        ItemNumItems = NumItems;
        ItemClientHandles = tmpClientHandles;
        ItemServerValues = tmpItemValues;
        ItemQualities = tmpQualities;
        ItemTimeStamps = tmpTimeStamps;
   });
} 

但是为什么要异步运行呢?

从您显示的代码中,并行运行没有任何好处。