C# 超时工具类 第二版

时间:2023-03-09 09:35:47
C# 超时工具类 第二版

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>
public class TimeoutTools : IDisposable
{
private System.Windows.Forms.Timer timer; /// <summary>
/// 位置
/// </summary>
public uint Position { get; private set; } /// <summary>
/// 超时事件
/// </summary>
public event EventHandler TimeoutEvent; /// <summary>
/// Tick事件
/// </summary>
public event EventHandler TickEvent; /// <summary>
/// 步长值
/// <para>默认值1</para>
/// </summary>
public uint StepLength { get; set; } /// <summary>
/// 超时长度
/// <para>默认180</para>
/// </summary>
public uint TimeoutLength { get; set; } /// <summary>
/// 默认构造函数
/// </summary>
public TimeoutTools(System.ComponentModel.IContainer container)
{
this.StepLength = ;
this.TimeoutLength = ; this.timer = new System.Windows.Forms.Timer(container);
this.timer.Interval = ;
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>
public static bool DoAction(TimeSpan timeSpan, Action action)
{
if (action == null)
throw new ArgumentNullException("action is null"); bool timeout = true; try
{
// 异步调用Action
IAsyncResult result = action.BeginInvoke(null, null); // Wait
if (result.AsyncWaitHandle.WaitOne(timeSpan, false))
{
timeout = false;
} if (!timeout)
{
action.EndInvoke(result);
}
}
catch (Exception)
{
timeout = true;
} return timeout;
} /// <summary>
/// 设置计时器参数
/// </summary>
/// <param name="period">毫秒</param>
public void SetInterval(int period)
{
if (period == Timeout.Infinite)
{
this.timer.Enabled = false;
return;
}
this.timer.Interval = period;
this.timer.Enabled = true;
} /// <summary>
/// 接收到信号
/// </summary>
public void Reset()
{
this.Position = ;
} protected void OnTimeOut()
{
if (this.TimeoutEvent != null)
{
this.TimeoutEvent(this, EventArgs.Empty);
}
} public void Dispose()
{
if (this.timer == null)
return; this.timer.Enabled = false;
this.timer.Dispose();
}
}