/// <summary>
/// 异步调用，一般错误日志
/// ERROR
/// </summary>
/// <param name="message">消息</param>
public static void Error(string message)
{
//实例委托
nonHistoryHandler = new AsyncNonHistoryHandler(writeError);
//异步调用开始，没有回调函数和AsyncState，都为null
IAsyncResult ia = nonHistoryHandler.BeginInvoke(message, null, null);
}
/// <summary>
/// 回调函数方法，测试用
/// </summary>
/// <param name="ar"></param>
private void callBackMethod(IAsyncResult ia)
{
AsyncNonHistoryHandler anhh = (AsyncNonHistoryHandler)ia.AsyncState;
anhh.EndInvoke(ia);
}
