附源码，没有附测试demo
之前的工具类：C# 给某个方法设定执行超时时间
///<summary>///超时工具///</summary>publicclassTimeoutTools : IDisposable
{PRivateSystem.Windows.Forms.Timer timer;///<summary>///位置///</summary>publicuintPosition {get;privateset; }///<summary>///超时事件///</summary>publiceventEventHandler TimeoutEvent;///<summary>///Tick事件///</summary>publiceventEventHandler TickEvent;///<summary>///步长值///<para>默认值1</para>///</summary>publicuintStepLength {get;set; }///<summary>///超时长度///<para>默认180</para>///</summary>publicuintTimeoutLength {get;set; }///<summary>///默认构造函数///</summary>publicTimeoutTools(System.ComponentModel.IContainer container)
{this.StepLength =1;this.TimeoutLength =180;this.timer =newSystem.Windows.Forms.Timer(container);this.timer.Interval =1000;this.timer.Enabled =false;
timer.Tick+= (sender, e) =>{this.Position +=this.StepLength;if(this.Position >=this.TimeoutLength)
{this.Reset();this.OnTimeOut();
}else{if(this.TickEvent !=null)
{this.TickEvent(this, EventArgs.Empty);
}
}
};
}///<summary>///指定超时时间 执行某个方法///</summary>///<returns>执行 是否超时</returns>publicstaticboolDoAction(TimeSpan timeSpan, Action action)
{if(action ==null)thrownewArgumentNullException("action is null");booltimeout =true;try{//异步调用ActionIAsyncResult result = action.BeginInvoke(null,null);//Waitif(result.AsyncWaitHandle.WaitOne(timeSpan,false))
{
timeout=false;
}if(!timeout)
{
action.EndInvoke(result);
}
}catch(Exception)
{
timeout=true;
}returntimeout;
}///<summary>///设置计时器参数///</summary>///<param name="period">毫秒</param>publicvoidSetInterval(intperiod)
{if(period ==Timeout.Infinite)
{this.timer.Enabled =false;return;
}this.timer.Interval =period;this.timer.Enabled =true;
}///<summary>///接收到信号///</summary>publicvoidReset()
{this.Position =0;
}protectedvoidOnTimeOut()
{if(this.TimeoutEvent !=null)
{this.TimeoutEvent(this, EventArgs.Empty);
}
}publicvoidDispose()
{if(this.timer ==null)return;this.timer.Enabled =false;this.timer.Dispose();
}
}