C# 非同步呼叫代理類的範例程式碼詳情

非同步呼叫代理類
AsyncInvokeProxy.cs

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading;namespace AsyncInvokeDemo{    public class AsyncInvokeProxy<T1>    {        private Action<T1> _task;        public AsyncInvokeProxy(Action<T1> task)        {            this._task = task;        }        public void BeginEnvoke<T2>(T1 args, Action<T2, Exception> cb, T2 cbArgs)        {            this._task.BeginInvoke(args, new AsyncCallback((r) =>            {                try                {                    cb(cbArgs, null);                    this._task.EndInvoke(r);                }                catch (Exception ex)                {                    cb(cbArgs, ex);                }            }), cbArgs);        }    }}

使用：

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace AsyncInvokeDemo{    class Program    {        static void Main(string[] args)        {            Action<A> test = (a) =>            {                Console.WriteLine("start to invoke");                for (int i = 0; i < 1000; i++)                {                    Console.WriteLine(i);                }                Console.WriteLine("invoke args aint : {0},astr: {1} ", a.aInt, a.aStr);            };            AsyncInvokeProxy<A> proxy = new AsyncInvokeProxy<A>(test);            proxy.BeginEnvoke<B>(new A { aInt = 1, aStr = "astr" }, (b, ex) =>            {                if (ex != null)                {                }                Console.WriteLine("callback ret bint： {0},bstr： {1}", b.bInt, b.bStr);            }, new B { bInt = 2, bStr = "bstr" });            Console.ReadLine();        }    }}

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