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28.4.5 COM注册
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28.4.5 COM注册
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<div style='float:left;width:49%'>·<a href='100165730.htm'>28.4.2 创建.NET组件</a></div><div style='float:right;width:49%'>·<a href='100165731.htm'>28.4.3 创建类型库</a></div><div style='float:left;width:49%'>·<a href='100165732.htm'>28.4.4 COM互操作特性</a></div><div style='float:right;width:49%'>·<a href='100165734.htm'>28.4.6 创建COM客户程序</a></div><div style='float:left;width:49%'>·<a href='100165735.htm'>28.4.7 添加连接点</a></div><div style='float:right;width:49%'>·<a href='100165736.htm'>28.4.8 用sink对象创建客户</a></div></div>
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<div id="text"> <link href="css.css" rel="stylesheet" type="text/css" /><h3 style='margin-top:8.15pt;margin-right:0cm;FTEL:8.15pt;margin-left:
0cm'><span lang=EN-US>28.4.5 COM</span><span style='font-family:黑体'>注册</span></h3>
<p class=MsoNormal><span style='font-family:宋体'>在</span><span lang=EN-US>.NET</span><span
style='font-family:宋体'>组件用作</span><span lang=EN-US>COM</span><span
style='font-family:宋体'>对象之前，需要在注册表中配置它。另外，如果不希望把程序集复制到客户应用程序所在的目录下，还需要把程序集安装在全局程序集缓存中。全局程序集缓存详见第</span><span
lang=EN-US>13</span><span style='font-family:宋体'>章。</span></p>
<p class=MsoNormal><span style='font-family:宋体'>要把程序集安装在全局程序集缓存中，必须用强名称实用工具创建一个键对</span><span
lang=EN-US>(key pair)</span><span style='font-family:宋体'>：</span></p>
<p class=a5 style='margin-top:8.15pt;margin-right:0cm;FTEL:8.15pt;
margin-left:21.45pt;FTEL:18.45pt'><b><span lang=EN-US>sn -k mykey.snk</span></b></p>
<p class=MsoNormal><span style='font-family:宋体'>把键文件添加到文件</span><span
lang=EN-US>AssemblyInfo.cs</span><span style='font-family:宋体'>的特性</span><span
lang=EN-US>AssemblyKeyFile</span><span style='font-family:宋体'>中：</span></p>
<p class=a5 style='margin-top:8.15pt;margin-right:0cm;FTEL:8.15pt;
margin-left:21.45pt;FTEL:18.45pt;background:#F2F2F2'><span lang=EN-US>[assembly:
AssemblyKeyFile("../../mykey.snk")]</span></p>
<p class=MsoNormal><span style='font-family:宋体'>在全局程序集缓存中注册程序集：</span></p>
<p class=a5 style='margin-top:8.15pt;margin-right:0cm;FTEL:8.15pt;
margin-left:21.45pt;FTEL:18.45pt'><b><span lang=EN-US>gacutil –i dotnetcomponent.dll</span></b></p>
<p class=MsoNormal><span style='font-family:宋体'>现在可以使用</span><span lang=EN-US>regasm</span><span
style='font-family:宋体'>实用工具在注册表中配置组件了。选项</span><span lang=EN-US>/tlb</span><span
style='font-family:宋体'>可以提取类型库，在注册表中配置类型库：</span></p>
<p class=a5 style='margin-top:8.15pt;margin-right:0cm;FTEL:8.15pt;
margin-left:21.45pt;FTEL:18.45pt'><b><span lang=EN-US>regasm dotnetcomponent.dll
/tlb</span></b></p>
<p class=MsoNormal><span style='font-family:宋体'>下面将列出写入注册表中的</span><span
lang=EN-US>.NET</span><span style='font-family:宋体'>组件信息。所有的</span><span
lang=EN-US>COM</span><span style='font-family:宋体'>信息都在</span><span lang=EN-US>HKEY_CLASSES_
ROOT(HKCR)</span><span style='font-family:宋体'>选项中。进入这个选项，写入</span><span
lang=EN-US>progid(</span><span style='font-family:宋体'>在本例中，是</span><span
lang=EN-US>Wrox.DotNetComponent)</span><span style='font-family:宋体'>和</span><span
lang=EN-US>CLSID</span><span style='font-family:宋体'>。</span></p>
<p class=MsoNormal><span style='font-family:宋体'>键</span><span lang=EN-US>HKCR\CLSID\{CLSID}\InProcServer32</span><span
style='font-family:宋体'>有如下选项：</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"'> </span></span><span
lang=EN-US>mscoree.dll</span><span style='font-family:宋体'>：它表示</span><span
lang=EN-US>CCW</span><span style='font-family:宋体'>。这是一个真正的</span><span
lang=EN-US>COM</span><span style='font-family:宋体'>对象，负责存储</span><span
lang=EN-US>.NET</span><span style='font-family:宋体'>组件。这个</span><span
lang=EN-US>COM</span><span style='font-family:宋体'>对象访问</span><span lang=EN-US>.NET</span><span
style='font-family:宋体'>组件，为客户提供</span><span lang=EN-US>COM</span><span
style='font-family:宋体'>行为。通过一般的</span><span lang=EN-US>COM</span><span
style='font-family:宋体'>实例化机制从客户上加载和实例化文件</span><span lang=EN-US>mscoree.dll</span><span
style='font-family:宋体'>。</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"'> </span></span><span
lang=EN-US>ThreadingModel=Both</span><span style='font-family:宋体'>：这是</span><span
lang=EN-US>mscoree.dll COM</span><span style='font-family:宋体'>对象的一个特性。这个组件以支持</span><span
lang=EN-US>STA</span><span style='font-family:宋体'>和</span><span lang=EN-US>MTA</span><span
style='font-family:宋体'>的方式编写。</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"'> </span></span><span
lang=EN-US>Assembly= DotNetComponent, Version=1.0.1321.33886, Culture=neutral,
PublicKeyToken = 5cd57c93b4d9c41a</span><span style='font-family:宋体'>：</span><span
lang=EN-US>Assembly</span><span style='font-family:宋体'>的值存储了程序集的全名，其中包括版本号和公钥令牌，所以程序集可以惟一地识别出来。这里注册的程序集将通过</span><span
lang=EN-US>mscoree.dll</span><span style='font-family:宋体'>加载。</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"'> </span></span><span
lang=EN-US>Class=Wrox.ProCSharp.COMInterop.Server. DotNetComponent</span><span
style='font-family:宋体'>：类名也由</span><span lang=EN-US>mscoree.dll</span><span
style='font-family:宋体'>使用。这是要被实例化的类。</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"'> </span></span><span
lang=EN-US>RuntimeVersion=v1.1.4322</span><span style='font-family:宋体'>：注册项</span><span
lang=EN-US>RuntimeVersion</span><span style='font-family:宋体'>指定要用于存储</span><span
lang=EN-US>.NET</span><span style='font-family:宋体'>程序集的</span><span lang=EN-US>.NET</span><span
style='font-family:宋体'>运行库的版本。</span></p>
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<div style='float:left;width:49%'>·<a href='100165730.htm'>28.4.2 创建.NET组件</a></div><div style='float:right;width:49%'>·<a href='100165731.htm'>28.4.3 创建类型库</a></div><div style='float:left;width:49%'>·<a href='100165732.htm'>28.4.4 COM互操作特性</a></div><div style='float:right;width:49%'>·<a href='100165734.htm'>28.4.6 创建COM客户程序</a></div><div style='float:left;width:49%'>·<a href='100165735.htm'>28.4.7 添加连接点</a></div><div style='float:right;width:49%'>·<a href='100165736.htm'>28.4.8 用sink对象创建客户</a></div></div>
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