319 lines
15 KiB
HTML
319 lines
15 KiB
HTML
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<title>WMI SDK Sample - PropProv</title>
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<o:Author>Michael Maston</o:Author>
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<o:LastAuthor>Michael Maston</o:LastAuthor>
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<td width=160 style='width:120.0pt;background:#330099;padding:.75pt .75pt .75pt .75pt'>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:Verdana;
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color:white'> <nobr><b>Windows Management Instrumentation SDK Sample</b></span>
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<o:p></o:p></p>
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</td>
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<p class=MsoPlainText><br>
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<strong><span style='font-size:13.5pt;font-family:Verdana'>PropProv</span></strong><br
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style='mso-special-character:line-break'>
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<![if !supportLineBreakNewLine]><br style='mso-special-character:line-break'>
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<![endif]><span style='font-family:Verdana'><o:p></o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'>The PropProv sample
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code creates a dynamic property provider for WMI.<span style="mso-spacerun:
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yes"><EFBFBD> </span>This is the simplest type of provider and this sample just
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returns some hard-coded property values.<o:p></o:p></span></p>
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<p class=MsoPlainText><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
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<p class=MsoPlainText><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;
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font-family:Verdana'>Building the Provider DLL<o:p></o:p></span></p>
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<p class=MsoPlainText><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
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<p class=MsoPlainText><span style='font-family:Verdana'>The DLL can be built
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from the command line using NMAKE, or it can be built using Microsoft Visual
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C++.<span style="mso-spacerun: yes"><EFBFBD> </span><o:p></o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'>From the command line
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in the sample installation directory, type the following: <o:p></o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='margin-left:.25in'><b><span style='font-family:
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Verdana'>NMAKE /f "Makefile"<o:p></o:p></span></b></p>
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<p class=MsoPlainText><span style='font-family:Verdana'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'>From Microsoft Visual
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C++: <o:p></o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2;
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tab-stops:list .5in'><![if !supportLists]><span style='font-family:Verdana'>1.<span
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style='font:7.0pt "Times New Roman"'> </span></span><![endif]><span
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style='font-family:Verdana'>Select File + Open Workspace<o:p></o:p></span></p>
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<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2;
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tab-stops:list .5in'><![if !supportLists]><span style='font-family:Verdana'>2.<span
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style='font:7.0pt "Times New Roman"'> </span></span><![endif]><span
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style='font-family:Verdana'>Select the PropProv.DSP file<o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-size:12.0pt;
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mso-bidi-font-size:10.0pt;font-family:Verdana'>Registering the DLL and Class<o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
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<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo4;
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tab-stops:list .5in'><![if !supportLists]><span style='font-family:Verdana'>1.<span
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style='font:7.0pt "Times New Roman"'> </span></span><![endif]><span
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style='font-family:Verdana'>The DLL must be registered with COM. From the
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command line in the sample installation directory, type the following:<o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='text-indent:.5in;tab-stops:list .5in'><b><span
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style='font-family:Verdana'>REGSVR32 PropProv.dll<o:p></o:p></span></b></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo4;
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tab-stops:list .5in'><![if !supportLists]><span style='font-family:Verdana'>2.<span
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style='font:7.0pt "Times New Roman"'> </span></span><![endif]><span
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style='font-family:Verdana'>You must also compile the MOF in order to make the
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WMI CIMOM aware of the class.<span style="mso-spacerun: yes"><EFBFBD> </span>From the
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command line in the sample installation directory, type the following:<o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='text-indent:.5in;tab-stops:list .5in'><b><span
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style='font-family:Verdana'>MOFCOMP PropProv.MOF<o:p></o:p></span></b></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana'>At this point, you should be able to exercise the provider using WMI
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tools such as WbemDump, CIM Studio or your own WMI application.<o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
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<p class=MsoNormal style='tab-stops:list .5in'><strong><span style='font-family:
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Verdana;font-weight:normal'>General Notes<o:p></o:p></span></strong></p>
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<p class=MsoNormal style='tab-stops:list .5in'><strong><span style='font-family:
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Verdana;font-weight:normal'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></strong></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'>Things
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to remember when you're building your own WMI provider:<o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
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l2 level1 lfo6;tab-stops:list .25in .5in'><![if !supportLists]><span
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style='font-family:"Times New Roman";mso-fareast-font-family:"MS Mincho"'>1.<span
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style='font:7.0pt "Times New Roman"'>
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</span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
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"MS Mincho";mso-bidi-font-family:"Times New Roman"'>WMI interfaces are defined
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in wbemcli.h and wbemprov.h found in the wmi\include directory.<span
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style="mso-spacerun: yes"><EFBFBD> </span>You may #include both these files by
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including just wbemidl.h located in the same directory.<o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
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l2 level1 lfo6;tab-stops:list .25in .5in'><![if !supportLists]><span
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style='font-family:"Times New Roman";mso-fareast-font-family:"MS Mincho"'>2.<span
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style='font:7.0pt "Times New Roman"'>
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</span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
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"MS Mincho";mso-bidi-font-family:"Times New Roman"'>WMI interface CLSIDs are
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defined in wbemuuid.lib. If you get unresolved externals in interfaces and
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CLSIDs, this is what is missing. <o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
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l2 level1 lfo6;tab-stops:list .25in .5in'><![if !supportLists]><span
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style='font-family:"Times New Roman";mso-fareast-font-family:"MS Mincho"'>3.<span
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style='font:7.0pt "Times New Roman"'>
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</span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
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"MS Mincho";mso-bidi-font-family:"Times New Roman"'>You'll need to link with
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oleaut32.lib and ole32.lib to get the needed COM support.<o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
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l2 level1 lfo6;tab-stops:list .25in .5in'><![if !supportLists]><span
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style='font-family:"Times New Roman";mso-fareast-font-family:"MS Mincho"'>4.<span
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style='font:7.0pt "Times New Roman"'>
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</span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
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"MS Mincho";mso-bidi-font-family:"Times New Roman"'>In the Link|Output
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settings, specify 'wWinMainCRTStartup' as the entry point. This is per the
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Unicode programming instructions.<o:p></o:p></span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
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<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
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l2 level1 lfo6;tab-stops:list .25in .5in'><![if !supportLists]><span
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style='font-family:"Times New Roman";mso-fareast-font-family:"MS Mincho"'>5.<span
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style='font:7.0pt "Times New Roman"'>
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</span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
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"MS Mincho"'>If you're using the makefiles, don't forget to set the Visual C++
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environment variables. This is done by running VCVARS32.BAT.<o:p></o:p></span></p>
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<p class=MsoNormal style='tab-stops:list .5in'><br>
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<span style='font-family:Arial'><a
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href="http://www.microsoft.com/misc/CPYRIGHT.HTM"><span style='mso-field-code:
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"HYPERLINK \0022http\:\/\/www\.microsoft\.com\/misc\/CPYRIGHT\.HTM\0022"'><b><EFBFBD>
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1998-2001 Microsoft Corporation. All rights reserved.</b></span></a></span></p>
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