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        32.6  故障排除
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                        C#高级编程(第3版)【全文连载】
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                        32.6  故障排除
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                    2006-10-13 14:41:00
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                        <div style='float:left;width:49%'>·<a href='100165807.htm'>32.5.3  sc.exe</a></div><div style='float:right;width:49%'>·<a href='100165808.htm'>32.5.4  Visual Studio .NET Server Explorer</a></div><div style='float:left;width:49%'>·<a href='100165809.htm'>32.5.5  ServiceController类</a></div><div style='float:right;width:49%'>·<a href='100165811.htm'>32.6.1  交互式服务</a></div><div style='float:left;width:49%'>·<a href='100165812.htm'>32.6.2  事件日志</a></div><div style='float:right;width:49%'>·<a href='100165813.htm'>32.6.3  性能监视</a></div></div>
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                <div id="text"> <link href="css.css" rel="stylesheet" type="text/css" /><h3 style='margin-top:11.4pt;margin-right:0cm;FTEL:11.4pt;margin-left:
0cm'><a FTEL="_Toc507815589"><span lang=EN-US>32.6&nbsp; </span></a><span
style='font-family:楷体_GB2312'>故障</span><span style='font-family:楷体_GB2312'>排除</span></h3>

<p class=MsoNormal><span style='font-family:宋体'>服务方面的故障排除与标准应用程序的故障排除并不相同。本节将讨论如下故障排除内容:</span></p>

<p class=1 style='margin-left:37.55pt;FTEL:-16.1pt'><span lang=EN-US>●<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span
style='font-family:宋体'>交互式服务的问题</span></p>

<p class=1 style='margin-left:37.55pt;FTEL:-16.1pt'><span lang=EN-US>●<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span
style='font-family:宋体'>事件日志</span></p>

<p class=1 style='margin-left:37.55pt;FTEL:-16.1pt'><span lang=EN-US>●<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span
style='font-family:宋体'>性能监视</span></p>

<p class=MsoNormal><span style='font-family:宋体;color:black'>创建服务的最好方式就是在创建服务之前,先创建一个具有想要功能的程序集和一个测试客户,以便进行正常的调试和错误处理。应用程序一运行,就可以使用那个程序集创建服务。当然,对于服务来说,仍然存在下列问题:</span></p>

<p class=1 style='margin-left:37.55pt;FTEL:-16.1pt'><span lang=EN-US>●<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span
style='font-family:宋体'>在服务中,错误信息不显示在消息框中</span><span lang=EN-US>(</span><span
style='font-family:宋体'>除了运行在客户系统上的交互式服务之外</span><span lang=EN-US>)</span><span
style='font-family:宋体'>,而是使用事件日志服务把错误写入事件日志。当然,在使用服务的客户应用程序中,可以显示一个消息框,通知用户出现了错误。</span></p>

<p class=1 style='margin-left:37.55pt;FTEL:-16.1pt'><span lang=EN-US>●<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span
style='font-family:宋体'>服务不能从调试器中启动,但是调试器可以与正在运行的服务联系起来。打开带有服务源代码的解决方案,并且设置断点。从</span><span
lang=EN-US>Visual Studio .NET</span><span style='font-family:宋体'>的</span><span
lang=EN-US>Debug</span><span style='font-family:宋体'>菜单中选择</span><span
lang=EN-US>Processes</span><span style='font-family:宋体'>命令,并且捕获正在运行的服务进程。</span></p>

<p class=1 style='margin-left:37.55pt;FTEL:-16.1pt'><span lang=EN-US>●<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span
lang=EN-US>Windows 2000</span><span style='font-family:宋体'>性能监视器可以用于监视服务的行为。可以把自己的性能对象添加给服务,这样可以添加一些有用的信息,以便进行调试。例如在</span><span
lang=EN-US>Quote</span><span style='font-family:宋体'>服务中,可以建立一个对象,让它给出返回的引用总数和初始化花费的时间等。</span><i><span
lang=EN-US> </span></i></p>

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                        <div style='float:left;width:49%'>·<a href='100165807.htm'>32.5.3  sc.exe</a></div><div style='float:right;width:49%'>·<a href='100165808.htm'>32.5.4  Visual Studio .NET Server Explorer</a></div><div style='float:left;width:49%'>·<a href='100165809.htm'>32.5.5  ServiceController类</a></div><div style='float:right;width:49%'>·<a href='100165811.htm'>32.6.1  交互式服务</a></div><div style='float:left;width:49%'>·<a href='100165812.htm'>32.6.2  事件日志</a></div><div style='float:right;width:49%'>·<a href='100165813.htm'>32.6.3  性能监视</a></div></div>
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