435 lines
17 KiB
HTML
435 lines
17 KiB
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<div class=Section1>
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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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</tr>
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</table>
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<span class=SpellE><strong><span style='font-size:13.5pt;font-family:Verdana;
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mso-bidi-font-family:"Courier New"'>PathParser</span></strong></span><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]></p>
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<p class=MsoPlainText><span style='font-family:Verdana'>This sample
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demonstrates how to use the WMI object path parser COM object. WMI object paths
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are the strings WMI uses to uniquely identify WMI class and instance
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objects.<span style='mso-spacerun:yes'><EFBFBD> </span>Many times it is necessary for
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WMI clients and providers to parse this string to obtain the various parts of
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the object path it contains.<span style='mso-spacerun:yes'><EFBFBD> </span>An example
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of an object path is the following:<o:p></o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'><o:p> </o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'>\\MyServer\root\cimv2:Win32_Printer.DeviceID="MyLaserPrinter"<o:p></o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'><o:p> </o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'>In this example which
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points to a printer installed on a computer, the server where this WMI object
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is located is <span class=SpellE><i style='mso-bidi-font-style:normal'>MyServer</i></span>.<span
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style='mso-spacerun:yes'><EFBFBD> </span>The class is called <i style='mso-bidi-font-style:
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normal'>Win32_Printer</i> and it is stored in the <i style='mso-bidi-font-style:
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normal'>root/cimv2</i> namespace.<span style='mso-spacerun:yes'><EFBFBD>
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</span>Finally, the specific printer is called <span class=SpellE><i
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style='mso-bidi-font-style:normal'>MyLaserPrinter</i></span> which is the value
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set in the single key property for the <i style='mso-bidi-font-style:normal'>Win32_Printer</i>
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class, <span class=SpellE><i style='mso-bidi-font-style:normal'>DeviceID</i></span>.<span
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style='mso-spacerun:yes'><EFBFBD> </span>At any given time, it may be useful to
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retrieve some or all of these values from a given WMI object path.<o:p></o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'><o:p> </o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'>This application is a
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console application meant to be run at the command line.<span
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style='mso-spacerun:yes'><EFBFBD> </span>In the interests of being an example and
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educational, the code is designed to be easy to follow but does not necessarily
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always do the error checking required for a product quality application.<o:p></o:p></span></p>
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<p class=MsoPlainText><o:p> </o:p></p>
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<p class=MsoPlainText><span style='font-family:Verdana'><o:p> </o:p></span></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'>Using the <span class=SpellE>PathParser</span> Sample<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'><o:p> </o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'>The <span class=SpellE>PathParser</span>
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sample can be built from the command line using NMAKE, or it can be built using
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Microsoft Visual C++.<span style='mso-spacerun:yes'><EFBFBD><EFBFBD> </span><o:p></o:p></span></p>
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<p class=MsoPlainText><span style='font-family:Verdana'><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'><o:p> </o:p></span></p>
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<p class=MsoPlainText style='margin-left:.25in;text-indent:.25in;tab-stops:
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list .5in'><b><span style='font-family:Verdana'>NMAKE /f<span
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style='mso-spacerun:yes'><EFBFBD> </span><EFBFBD><span class=SpellE>Makefile</span><EFBFBD><o:p></o:p></span></b></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><b><span style='font-family:
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Verdana'><o:p> </o:p></span></b></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'><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;
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mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana'><span
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style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'>
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</span></span></span><![endif]><span style='font-family:Verdana'>Select File +
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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='mso-fareast-font-family:
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"Courier New"'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>
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</span></span></span><![endif]><span style='font-family:Verdana'>Select the <span
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class=SpellE>PathParser.DSP</span> file</span></p>
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<p class=MsoPlainText style='tab-stops:list .5in'><span style='font-family:
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Verdana'><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'>Once built the <span class=SpellE>PathParser</span> sample application
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can be run from the command line in the sample installation 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'><o:p> </o:p></span></p>
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<p class=MsoPlainText style='text-indent:.5in;tab-stops:list .5in'><span
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class=SpellE><b><span style='font-family:Verdana'>PathParser</span></b></span><b><span
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style='font-family:Verdana'><o:p></o:p></span></b></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'><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'>The valid syntax for <span class=SpellE>PathParser</span>:<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'><o:p> </o:p></span></p>
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<p class=MsoPlainText style='text-indent:.5in;tab-stops:list .5in'><span
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class=SpellE><b><span style='font-family:Verdana'>PathParser</span></b></span><b><span
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style='font-family:Verdana'><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'><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'>With no parameters, the usage message is printed out which will have
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several sample paths.<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'><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'><o:p> </o:p></span></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'>General Notes<o:p></o:p></span></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'><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"'>Things
|
||
to remember when you're building your own WMI client application:<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> </o:p></span></p>
|
||
|
||
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
|
||
l0 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"'>
|
||
</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 <span class=SpellE>wmiutils.h</span> found in the <span class=SpellE>wmi</span>\include
|
||
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"'><span
|
||
style='mso-spacerun:yes'><EFBFBD></span><o:p></o:p></span></p>
|
||
|
||
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
|
||
l0 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"'>
|
||
</span></span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
|
||
"MS Mincho";mso-bidi-font-family:"Times New Roman"'>WMI interface <span
|
||
class=SpellE>CLSIDs</span> are defined in <span class=SpellE>wbemuuid.lib</span>.
|
||
If you get unresolved externals in interfaces and <span class=SpellE>CLSIDs</span>,
|
||
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> </o:p></span></p>
|
||
|
||
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
|
||
l0 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"'>
|
||
</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> </o:p></span></p>
|
||
|
||
<p class=MsoPlainText style='margin-left:.25in;text-indent:-.25in;mso-list:
|
||
l0 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"'>
|
||
</span></span></span><![endif]><span style='font-family:Verdana;mso-fareast-font-family:
|
||
"MS Mincho"'>If you're using the <span class=SpellE>makefiles</span>, don't
|
||
forget to set the Visual C++ environment variables. This is done by running
|
||
VCVARS32.BAT.</span></p>
|
||
|
||
<p class=MsoNormal style='tab-stops:list .5in'><br style='mso-special-character:
|
||
line-break'>
|
||
<![if !supportLineBreakNewLine]><br style='mso-special-character:line-break'>
|
||
<![endif]></p>
|
||
|
||
</div>
|
||
|
||
</body>
|
||
|
||
</html>
|
||
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