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96 lines
2.7 KiB
96 lines
2.7 KiB
//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2001 Microsoft Corporation
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//
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// Module Name:
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// CIndexedDisk.h
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//
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// Implementation Files:
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// CIndexedDisk.cpp
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//
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// Description:
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// This file contains the declaration of the CIndexedDisk structure.
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//
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// This is a helper for CEnumPhysicalDisks, but has its own file
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// due to the one-class-per-file restriction.
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//
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// Maintained By:
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// John Franco (jfranco) 1-JUN-2001
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//
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//////////////////////////////////////////////////////////////////////////////
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// Make sure that this file is included only once per compile path.
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#pragma once
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//////////////////////////////////////////////////////////////////////////////
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// Include Files
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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// Constant Declarations
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// struct CIndexedDisk
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//
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// Description:
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// The CIndexedDisk structure associates a pointer to a disk object with
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// the disk object's Index property.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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struct CIndexedDisk
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{
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CIndexedDisk( void );
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// accept default destructor, copy constructor, and assignment operator
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DWORD idxDisk;
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IUnknown * punkDisk;
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HRESULT HrInit( IUnknown * punkDiskIn );
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}; //*** struct CIndexedDisk
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inline CIndexedDisk::CIndexedDisk( void )
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: idxDisk( 0 )
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, punkDisk( NULL )
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{
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TraceFunc( "" );
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TraceFuncExit();
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} //*** CIndexedDisk::CIndexedDisk
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//////////////////////////////////////////////////////////////////////////////
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//++
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//
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// struct CIndexedDiskLessThan
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//
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// Description:
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// The CIndexedDiskLessThan function object provides a comparison
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// operation to arrange CIndexedDisk objects in ascending order when used
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// with generic sort algorithms or sorted containers.
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//
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// Although a simple function pointer would work, making it a function
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// object allows the compiler to inline the comparison operation.
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//
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//--
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//////////////////////////////////////////////////////////////////////////////
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struct CIndexedDiskLessThan
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{
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bool operator()( const CIndexedDisk & rLeftIn, const CIndexedDisk & rRightIn ) const
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{
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return ( rLeftIn.idxDisk < rRightIn.idxDisk );
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}
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}; //*** struct CIndexedDiskLessThan
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