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<p class=MsoNormal><span style='font-size:10.0pt;font-family:Verdana;
color:white'>&nbsp;<nobr><b>Windows Management Instrumentation SDK Sample</b></span>
<o:p></o:p></p>
</td>
</tr>
</table>
<p class=MsoPlainText><br>
<strong><span style='font-size:13.5pt;font-family:Verdana;mso-bidi-font-family:
"Courier New"'>MethCli</span></strong><br style='mso-special-character:line-break'>
<![if !supportLineBreakNewLine]><br style='mso-special-character:line-break'>
<![endif]><span style='font-family:Verdana'><o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'>The MethCli sample
demonstrates the framework necessary to call a method provider.<span
style='mso-spacerun:yes'><EFBFBD> </span>This code calls the &quot;Echo&quot; method
as supported by that provider.<span style='mso-spacerun:yes'><EFBFBD> </span>That
method is attached to the MethProvSamp class which takes a string as input,
returns a copy and the length.<span style='mso-spacerun:yes'><EFBFBD> </span>The class
is defined in the MethProv.MOF file which is in the MethProv sample.<span
style='mso-spacerun:yes'><EFBFBD> </span>As written, the sample passes in the string
<EFBFBD>hello<EFBFBD> to the method provider but the sample can be easily adapted to accept
user-specified strings.<o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText><b><span style='font-family:Verdana'>NOTE:</span></b><span
style='font-family:Verdana'><span style='mso-spacerun:yes'><EFBFBD> </span>The
MethProv method provider sample must be built and registered before executing
the MethCli sample.<o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;
font-family:Verdana'>Building the MethCli Application<o:p></o:p></span></p>
<p class=MsoPlainText>&nbsp;</p>
<p class=MsoPlainText><span style='font-family:Verdana'>The application can be
built from the command line using NMAKE, or it can be built using Microsoft
Visual C++.<span yes>&nbsp; </span><o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'>&nbsp;<o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'>From the command line
in the sample installation directory, type the following: <o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'>&nbsp;<o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.25in'><b><span style='font-family:
Verdana'>NMAKE /f &quot;Makefile&quot;<o:p></o:p></span></b></p>
<p class=MsoPlainText><span style='font-family:Verdana'>&nbsp;<o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'>From Microsoft Visual
C++: <o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'>&nbsp;<o:p></o:p></span></p>
<p class=MsoPlainText .5in list lfo2 level1 l0><span style='font-family:Verdana'>1.<span
Roman New Times></span><span style='font-size:7.0pt;font-family:Verdana'></span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style='font-family:Verdana'>Select File + Open Workspace<o:p></o:p></span></p>
<p class=MsoPlainText .5in list lfo2 level1 l0><span style='font-family:Verdana'>2.<span
Roman New Times></span><span style='font-size:7.0pt;font-family:Verdana'></span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style='font-family:Verdana'>Select the MethCli.dsp file<o:p></o:p></span></p>
<p class=MsoPlainText><b><span style='font-family:Verdana'><o:p>&nbsp;</o:p></span></b></p>
<p class=MsoPlainText><span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;
font-family:Verdana'>Using the MethCli Sample<o:p></o:p></span></p>
<p class=MsoPlainText><o:p>&nbsp;</o:p></p>
<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo2;
tab-stops:list .5in'><![if !supportLists]><span style='font-family:Verdana;
mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana'><span
style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana'>Build and
register the MethProv sample provider.<span style='mso-spacerun:yes'><EFBFBD>
</span>See the MethProv sample documentation for details.<o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo2;
tab-stops:list .5in'><![if !supportLists]><span style='font-family:Verdana;
mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana'><span
style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana'>Build the
MethCli sample using NMAKE as described above<o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo2;
tab-stops:list .5in'><![if !supportLists]><span style='font-family:Verdana;
mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana'><span
style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana'>Execute the
MethCli application and the appropriate method results will be printed to the
console window.<span style='mso-spacerun:yes'><EFBFBD> </span>From the command line in
the sample installation directory, type the following:<o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-family:Verdana'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><b><span style='font-family:
Verdana'>MethCli.exe<o:p></o:p></span></b></p>
<p class=MsoPlainText style='tab-stops:list .5in'><o:p>&nbsp;</o:p></p>
<p class=MsoNormal style='tab-stops:list .5in'><strong><span style='font-family:
Verdana;font-weight:normal'>General Notes<o:p></o:p></span></strong></p>
<p class=MsoNormal style='tab-stops:list .5in'><strong><span style='font-family:
Verdana;font-weight:normal'><o:p>&nbsp;</o:p></span></strong></p>
<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'>Things
to remember when you're building your own WMI client application:</span><span
style='mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><o:p></o:p></span></p>
<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
l1 level1 lfo4;tab-stops:list .25in .5in'><![if !supportLists]><span
style='font-family:"Times New Roman"'><span style='mso-list:Ignore'>1.<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
"MS Mincho";mso-bidi-font-family:"Times New Roman"'>If you want your client to
run on NT and non-DCOM versions of Windows 95, manually load the ole32.dll and
see if CoInitializeSecurity() exists. This routine won<6F>t exist on Windows 95
installations that don<6F>t have DCOM installed separately. If this routine
doesn't exist, the asynchronous routines in this sample won<6F>t work because of
mismatched security level problems. The synchronous techniques will still work.<o:p></o:p></span></p>
<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
l1 level1 lfo4;tab-stops:list .25in .5in'><![if !supportLists]><span
style='font-family:"Times New Roman"'><span style='mso-list:Ignore'>2.<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
"MS Mincho";mso-bidi-font-family:"Times New Roman"'>If you don<6F>t care about
non-DCOM versions of Windows 95, you can define<span style='mso-spacerun:yes'><EFBFBD>
</span>_WIN32_DCOM so that CoInitializeSecurity() is available for implicit
linking. Don't use _WIN32_WINNT to get this prototype since it won't compile
under the Windows 95/98 operating systems.<o:p></o:p></span></p>
<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
l1 level1 lfo4;tab-stops:list .25in .5in'><![if !supportLists]><span
style='font-family:"Times New Roman"'><span style='mso-list:Ignore'>3.<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
"MS Mincho";mso-bidi-font-family:"Times New Roman"'>In any case, the
CoInitializeSecurity() call (in InitInstance()) is required to work around a
security problem when WMI trying to call a Sink object but won't identify
itself. The CoInitializeSecurity() call turns off the authentication
requirement. <o:p></o:p></span></p>
<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
l1 level1 lfo4;tab-stops:list .25in .5in'><![if !supportLists]><span
style='font-family:"Times New Roman"'><span style='mso-list:Ignore'>4.<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
"MS Mincho";mso-bidi-font-family:"Times New Roman"'>WMI interfaces are defined
in wbemcli.h and wbemprov.h found in the wmi\include directory.<span
style='mso-spacerun:yes'><EFBFBD> </span>You may #include both these files by
including just wbemidl.h located in the same directory.<o:p></o:p></span></p>
<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
l1 level1 lfo4;tab-stops:list .25in .5in'><![if !supportLists]><span
style='font-family:"Times New Roman"'><span style='mso-list:Ignore'>5.<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
"MS Mincho";mso-bidi-font-family:"Times New Roman"'>WMI interface CLSIDs are
defined in wbemuuid.lib. If you get unresolved externals in interfaces and
CLSIDs, this is what is missing. <o:p></o:p></span></p>
<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
l1 level1 lfo4;tab-stops:list .25in .5in'><![if !supportLists]><span
style='font-family:"Times New Roman"'><span style='mso-list:Ignore'>6.<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
"MS Mincho";mso-bidi-font-family:"Times New Roman"'>You'll need to link with
oleaut32.lib and ole32.lib to get the needed COM support.<o:p></o:p></span></p>
<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
l1 level1 lfo4;tab-stops:list .25in .5in'><![if !supportLists]><span
style='font-family:"Times New Roman"'><span style='mso-list:Ignore'>7.<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
"MS Mincho";mso-bidi-font-family:"Times New Roman"'>In the Link|Output
settings, specify 'wWinMainCRTStartup' as the entry point. This is per the
Unicode programming instructions.<o:p></o:p></span></p>
<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
Verdana;mso-fareast-font-family:"MS Mincho";mso-bidi-font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
l1 level1 lfo4;tab-stops:list .25in .5in'><![if !supportLists]><span
style='font-family:"Times New Roman"'><span style='mso-list:Ignore'>8.<span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
"MS Mincho"'>If you're using the makefiles, don't forget to set the Visual C++
environment variables. This is done by running VCVARS32.BAT.<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:list .5in'><br style='mso-special-character:
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