266 lines
8.6 KiB
C
266 lines
8.6 KiB
C
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/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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FTMan
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File Name:
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Item.h
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Abstract:
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The definition of class CItemData. A generic base class to store the data of items from the
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tree control of CFTTreeView and from the list control of CFTListView
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An item could be:
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- a root volumes item
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- a logical volume
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- a physical partition
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- a root free spaces item
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- a free space
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It also contains the definition of class CItemID. A generic class to store the minimum information
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needed to identify an item. It is used when refreshing the tree.
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Author:
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Cristian Teodorescu October 22, 1998
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Notes:
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Revision History:
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--*/
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/////////////////////////////////////////////////////////////////////////////
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#if !defined(AFX_ITEM_H_INCLUDED_)
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#define AFX_ITEM_H_INCLUDED_
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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#include <FTTypes.h>
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#include "FTManDef.h"
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#include "Global.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Class CItemData
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class CItemData : public CObject
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{
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// Public constructor
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public:
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CItemData( ITEM_TYPE wItemType, CItemData* pParentData = NULL, BOOL bIsRootVolume = FALSE );
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DECLARE_DYNAMIC(CItemData)
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// Copy constructor
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CItemData( CItemData& rData );
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virtual ~CItemData() {};
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// Public methods
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public:
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// Retrieve all information related to this volume
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// If something wrong happens inside this method strErrors will contain error message(s)
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virtual BOOL ReadItemInfo( CString& strErrors ) = 0;
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// Retrieve the members of this volume( as an array of CItemData )
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// If something wrong happens inside this method strErrors will contain error message(s)
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virtual BOOL ReadMembers( CObArray& arrMembersData, CString& strErrors ) = 0;
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// Read the drive letter and volume name of the volume
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BOOL ReadDriveLetterAndVolumeName();
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// Decides what image should be associated with the item ( depending on the status of the item )
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virtual int ComputeImageIndex() const = 0;
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// Returns the type of the item
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ITEM_TYPE GetItemType() const { return m_wItemType;} ;
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// Provides the number of members of this item ( the number retrieved by ReadItemInfo )
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ULONG GetMembersNumber() const { return m_ulNumMembers;};
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// Provides the drive letter of the item
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TCHAR GetDriveLetter() const { return m_cDriveLetter; };
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// Provides the volume name of this item
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const CString& GetVolumeName() const { return m_strVolumeName; };
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// Provides the mount paths of this item
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CStringArray& GetMountPaths() { return m_arrMountPaths; }
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// Provides the disks set of the volume
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const CULONGSet& GetDisksSet() const { return m_setDisks; };
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// Is this volume ready for IO operations
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BOOL IsIoOK() const { return m_bIoOK; };
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// Provides the status of the volume as a member of its parent's set
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void SetMemberStatus( FT_MEMBER_STATE nMemberStatus ) { m_nMemberStatus = nMemberStatus; };
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FT_MEMBER_STATE GetMemberStatus() const { return m_nMemberStatus; };
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// Is this a root volume?
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BOOL IsRootVolume() const { return m_bIsRootVolume; };
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// Is all information about this volume loaded into this object so we can use it properly?
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BOOL IsValid() const { return m_bValid; };
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void SetValid( BOOL bValid = TRUE ) { m_bValid = bValid; };
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// Provides the index of the image associated with this item
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int GetImageIndex() const { return m_iImage; };
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void SetImageIndex( int iImageIndex ) { m_iImage = iImageIndex; };
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// Provides a pointer to the item's parent data
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CItemData* GetParentData() const { return m_pParentData; };
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void SetParentData( CItemData* pParentData ) { m_pParentData = pParentData; } ;
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// Returns the tree item associated with this structure
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HTREEITEM GetTreeItem() const { return m_hTreeItem; };
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void SetTreeItem( HTREEITEM hItem) { m_hTreeItem = hItem; };
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// Returns the list item associated with this structure. If this is not -1 this doesn't mean automatically
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// that the item is in the list. If you are not sure that it is in the list better check first if its father
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// is the father of the items displayed in the list ( equivalent with its father is the selected item in the
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// tree )
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int GetListItem() const { return m_nListItem; };
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void SetListItem( int iItem ) { m_nListItem = iItem; };
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BOOL AreMembersInserted() const { return m_bAreMembersInserted; };
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void SetAreMembersInserted( BOOL bAreMembersInserted=TRUE) { m_bAreMembersInserted = bAreMembersInserted; };
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// Equivalence operator between 2 CItemData instances i.e. are they related to the same volume?
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virtual BOOL operator==(CItemData& rData) const = 0;
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BOOL operator!=(CItemData& rData) const { return !operator==(rData); };
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// Methods providing attributes of the item displayable in the list-view columns
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// Name ( string ). Used in list-view in Report mode
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virtual void GetDisplayName( CString& strDisplay ) const { strDisplay = _T(" "); };
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// Type ( string )
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virtual void GetDisplayType( CString& strDisplay ) const { strDisplay = _T(" "); };
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// Extended name = name + type. Used in tree view and in list-view in all modes other than Report
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virtual void GetDisplayExtendedName( CString& strDisplay ) const { MY_TRY GetDisplayName(strDisplay); MY_CATCH_AND_THROW };
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// VolumeID ( number & string )
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virtual BOOL GetVolumeID( FT_LOGICAL_DISK_ID& llVolID ) const { return FALSE; };
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virtual void GetDisplayVolumeID( CString& strDisplay) const;
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// Size ( number & string )
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virtual BOOL GetSize( LONGLONG& llSize ) const { return FALSE; };
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virtual void GetDisplaySize( CString& strDisplay) const;
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// Disk Number ( number(s) & string )
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virtual BOOL GetDiskNumber( ULONG& ulDiskNumber ) const { return FALSE; };
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void GetDisplayDisksSet( CString& strDisplay ) const;
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// Offset ( number & string )
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virtual BOOL GetOffset( LONGLONG& llOffset) const { return FALSE; };
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virtual void GetDisplayOffset( CString& strDisplay) const;
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// Public data members
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protected:
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/****** Some data about the volume ******/
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// The type of the item: root, logical volume or physical partition
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ITEM_TYPE m_wItemType;
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// The number of members
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ULONG m_ulNumMembers;
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// Drive letter ---- Used only by root volumes
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TCHAR m_cDriveLetter;
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// The name of the volume "\\?\Volume{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}" ---- Used only by root volumes
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CString m_strVolumeName;
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// Mount paths ---- Used only by root volumes
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CStringArray m_arrMountPaths;
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// All disks used by this volume
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CULONGSet m_setDisks;
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// IO status of the volume. It decides whether the volume can be used or not for IO operations
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// For physical partitions it is always TRUE
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BOOL m_bIoOK;
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// The state of the volume as a member of its parent set ( if any )
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FT_MEMBER_STATE m_nMemberStatus;
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// Set only for those logical volumes and physical partitions that are root volumes
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BOOL m_bIsRootVolume;
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/****** Some data about the tree/list view item ******/
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// Is all information about this volume loaded into this object?
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// ( i.e. has ReadItemInfo succeeded? )
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BOOL m_bValid;
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// The index of the image associated with this item ( the image depends on the item type )
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int m_iImage;
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// Pointer to the data of the item's parent ( NULL for the root items )
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CItemData* m_pParentData;
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// The handle of the tree item containing this structure as tree data ( TVITEM.lParam )
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HTREEITEM m_hTreeItem;
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// The index of the list item containing this structure as item data
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int m_nListItem;
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// Are the members of the item inserted in the tree?
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BOOL m_bAreMembersInserted;
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protected:
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// Get the NT name of the volume ---- Used only by root volumes
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virtual BOOL RetrieveNTName( CString& strNTName ) const { return FALSE;};
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// Retrieve all disks used by the volume
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virtual BOOL RetrieveDisksSet() { return FALSE; };
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// Add a error message to a string
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// The error message will be formatted like this:
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// <Item name: >< My error message > [ System error message ]
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void AddError( CString& strErrors, UINT unErrorMsg, BOOL bAddSystemMsg = FALSE );
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Class CItemID
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class CItemID
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{
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// Public constructor
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public:
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// Constructor for a generic item ID
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CItemID();
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// Constructor based on a full CItemData instance
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CItemID( const CItemData& pData );
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public:
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ITEM_TYPE m_wItemType;
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union
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{
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struct //tagLogicalVolumeID
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{
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FT_LOGICAL_DISK_ID m_llVolID;
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} m_LogicalVolumeID;
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struct //tagPhysicalPartitionID
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{
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ULONG m_ulDiskNumber;
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LONGLONG m_llOffset;
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} m_PhysicalPartitionID, m_FreeSpaceID;
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} m_ID;
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public:
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void Load( const CItemData& rData );
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BOOL operator==( const CItemID& id ) const;
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BOOL operator>( const CItemID& id ) const;
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};
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#endif // !defined(AFX_ITEM_H_INCLUDED_)
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