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The Medium Changer Class Driver component implements the functions required by all medium changer drivers, which includes saving the changer minidriver entry points, creating a device object for the changer device, or handling Plug and Play requests. </P>

<P>When a device control request is received, the medium changer class driver calls the appropriate minidriver routine to process the request. </P>

<P>The medium changer class driver also handles Windows Management Instrumentation (WMI) requests. </P>

<P>The medium changer class driver is a dynamic-link library (DLL) loaded when the first changer minidriver is installed. A changer minidriver is installed by Plug and Play when a changer device is detected.</P>

<H3>Component Configuration</H3>

<P>There are no configuration requirements for this component.</P>

<H3>For More Information </H3>

<P>For more information, see this <A HREF="http://msdn.microsoft.com">Microsoft Web site</A>.</P>

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        <DISPLAYNAME>Medium Changer Class Driver</DISPLAYNAME>

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        <DESCRIPTION>Medium Changer Class Driver</DESCRIPTION>

        <COPYRIGHT>2000 Microsoft Corp.</COPYRIGHT>

        <VENDOR>Microsoft Corp.</VENDOR>

        <OWNERS>nramas</OWNERS>

        <AUTHORS>nramas</AUTHORS>

        <DATECREATED>7/12/2001</DATECREATED>

        <DATEREVISED>8/13/2001 11:52:12 PM</DATEREVISED>
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