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447 строки
16 KiB
C
447 строки
16 KiB
C
/*
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** Apple Macintosh Developer Technical Support
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**
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** A collection of useful high-level Desktop Manager routines.
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** If the Desktop Manager isn't available, use the Desktop file
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** for 'read' operations.
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**
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** We do more because we can...
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**
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** by Jim Luther and Nitin Ganatra, Apple Developer Technical Support Emeriti
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**
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** File: MoreDesktopMgr.h
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**
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** Copyright © 1992-1996 Apple Computer, Inc.
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** All rights reserved.
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**
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** You may incorporate this sample code into your applications without
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** restriction, though the sample code has been provided "AS IS" and the
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** responsibility for its operation is 100% yours. However, what you are
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** not permitted to do is to redistribute the source as "DSC Sample Code"
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** after having made changes. If you're going to re-distribute the source,
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** we require that you make it clear in the source that the code was
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** descended from Apple Sample Code, but that you've made changes.
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*/
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/*
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* This code, which was decended from Apple Sample Code, has been modified by
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* Netscape.
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*/
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#ifndef __MOREDESKTOPMGR__
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#define __MOREDESKTOPMGR__
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#include <Types.h>
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#include <Files.h>
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#include "PascalElim.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Rather than duplicate this case statement I am making this function public */
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pascal OSType DTIconToResIcon(short iconType);
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/*****************************************************************************/
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pascal OSErr DTOpen(StringPtr volName,
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short vRefNum,
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short *dtRefNum,
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Boolean *newDTDatabase);
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/* ¦ Open a volume's desktop database and return the desktop database refNum.
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The DTOpen function opens a volume's desktop database. It returns
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the reference number of the desktop database and indicates if the
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desktop database was created as a result of this call (if it was created,
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then it is empty).
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volName input: A pointer to the name of a mounted volume
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or nil.
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vRefNum input: Volume specification.
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dtRefNum output: The reference number of Desktop Manager's
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desktop database on the specified volume.
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newDTDatabase output: true if the desktop database was created as a
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result of this call and thus empty.
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false if the desktop database was already created,
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or if it could not be determined if it was already
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created.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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paramErr -50 Volume doesn't support this function
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extFSErr -58 External file system error - no file
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system claimed this call.
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desktopDamagedErr -1305 The desktop database has become corrupted -
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the Finder will fix this, but if your
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application is not running with the
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Finder, use PBDTReset or PBDTDelete
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*/
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/*****************************************************************************/
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pascal OSErr DTGetAPPL(StringPtr volName,
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short vRefNum,
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OSType creator,
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short *applVRefNum,
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long *applParID,
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Str255 applName);
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/* ¦ Find an application on a volume that can open a file with a given creator.
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The DTGetAPPL function finds an application (file type 'APPL') with
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the specified creator on the specified volume. It first tries to get
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the application mapping from the desktop database. If that fails, then
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it tries to find an application with the specified creator using
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the File Manager's CatSearch routine. If that fails, then it tries to
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find an application in the Desktop file.
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volName input: A pointer to the name of a mounted volume
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or nil.
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vRefNum input: Volume specification.
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creator input: The file's creator type.
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applVRefNum output: The volume reference number of the volume the
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application is on.
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applParID output: The parent directory ID of the application.
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applName output: The name of the application.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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paramErr -50 No default volume
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rfNumErr -51 Reference number invalid
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extFSErr -58 External file system error - no file
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system claimed this call
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desktopDamagedErr -1305 The desktop database has become corrupted -
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the Finder will fix this, but if your
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application is not running with the
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Finder, use PBDTReset or PBDTDelete
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afpItemNotFound -5012 Information not found
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__________
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Also see: FSpDTGetAPPL
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*/
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/*****************************************************************************/
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pascal OSErr FSpDTGetAPPL(StringPtr volName,
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short vRefNum,
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OSType creator,
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FSSpec *spec);
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/* ¦ Find an application on a volume that can open a file with a given creator.
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The FSpDTGetAPPL function finds an application (file type 'APPL') with
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the specified creator on the specified volume. It first tries to get
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the application mapping from the desktop database. If that fails, then
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it tries to find an application with the specified creator using
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the File Manager's CatSearch routine. If that fails, then it tries to
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find an application in the Desktop file.
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volName input: A pointer to the name of a mounted volume
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or nil.
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vRefNum input: Volume specification.
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creator input: The file's creator type.
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spec output: FSSpec record containing the application name and
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location.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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paramErr -50 No default volume
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rfNumErr -51 Reference number invalid
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extFSErr -58 External file system error - no file
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system claimed this call
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desktopDamagedErr -1305 The desktop database has become corrupted -
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the Finder will fix this, but if your
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application is not running with the
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Finder, use PBDTReset or PBDTDelete
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afpItemNotFound -5012 Information not found
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__________
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Also see: DTGetAPPL
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*/
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/*****************************************************************************/
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pascal OSErr DTGetIcon(StringPtr volName,
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short vRefNum,
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short iconType,
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OSType fileCreator,
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OSType fileType,
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Handle *iconHandle);
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/* ¦ Get an icon from the desktop database or Desktop file.
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The DTGetIcon function retrieves the specified icon and returns it in
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a newly created handle. The icon is retrieves from the Desktop Manager
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or if the Desktop Manager is not available, from the Finder's Desktop
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file. Your program is responsible for disposing of the handle when it is
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done using the icon.
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volName input: A pointer to the name of a mounted volume
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or nil.
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vRefNum input: Volume specification.
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iconType input: The icon type as defined in Files.h. Valid values are:
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kLargeIcon
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kLarge4BitIcon
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kLarge8BitIcon
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kSmallIcon
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kSmall4BitIcon
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kSmall8BitIcon
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fileCreator input: The icon's creator type.
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fileType input: The icon's file type.
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iconHandle output: A Handle containing the newly created icon.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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paramErr -50 Volume doesn't support this function
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rfNumErr -51 Reference number invalid
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extFSErr -58 External file system error - no file
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system claimed this call
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memFullErr -108 iconHandle could not be allocated
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desktopDamagedErr -1305 The desktop database has become corrupted -
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the Finder will fix this, but if your
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application is not running with the
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Finder, use PBDTReset or PBDTDelete
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afpItemNotFound -5012 Information not found
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*/
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/*****************************************************************************/
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pascal OSErr DTSetComment(short vRefNum,
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long dirID,
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StringPtr name,
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ConstStr255Param comment);
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/* ¦ Set a file or directory's Finder comment field.
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The DTSetComment function sets a file or directory's Finder comment
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field. The volume must support the Desktop Manager because you only
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have read access to the Desktop file.
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vRefNum input: Volume specification.
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dirID input: Directory ID.
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name input: Pointer to object name, or nil when dirID
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specifies a directory that's the object.
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comment input: The comment to add. Comments are limited to 200 characters;
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longer comments are truncated.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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fnfErr Ð43 File or directory doesnÕt exist
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paramErr -50 Volume doesn't support this function
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wPrErr Ð44 Volume is locked through hardware
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vLckdErr Ð46 Volume is locked through software
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rfNumErr Ð51 Reference number invalid
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extFSErr -58 External file system error - no file
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system claimed this call.
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desktopDamagedErr -1305 The desktop database has become corrupted -
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the Finder will fix this, but if your
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application is not running with the
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Finder, use PBDTReset or PBDTDelete
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__________
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Also see: DTCopyComment, FSpDTCopyComment, FSpDTSetComment, DTGetComment,
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FSpDTGetComment
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*/
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/*****************************************************************************/
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pascal OSErr FSpDTSetComment(const FSSpec *spec,
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ConstStr255Param comment);
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/* ¦ Set a file or directory's Finder comment field.
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The FSpDTSetComment function sets a file or directory's Finder comment
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field. The volume must support the Desktop Manager because you only
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have read access to the Desktop file.
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spec input: An FSSpec record specifying the file or directory.
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comment input: The comment to add. Comments are limited to 200 characters;
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longer comments are truncated.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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fnfErr Ð43 File or directory doesnÕt exist
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wPrErr Ð44 Volume is locked through hardware
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vLckdErr Ð46 Volume is locked through software
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rfNumErr Ð51 Reference number invalid
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paramErr -50 Volume doesn't support this function
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extFSErr -58 External file system error - no file
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system claimed this call.
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desktopDamagedErr -1305 The desktop database has become corrupted -
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the Finder will fix this, but if your
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application is not running with the
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Finder, use PBDTReset or PBDTDelete
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__________
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Also see: DTCopyComment, FSpDTCopyComment, DTSetComment, DTGetComment,
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FSpDTGetComment
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*/
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/*****************************************************************************/
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pascal OSErr DTGetComment(short vRefNum,
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long dirID,
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StringPtr name,
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Str255 comment);
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/* ¦ Get a file or directory's Finder comment field (if any).
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The DTGetComment function gets a file or directory's Finder comment
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field (if any) from the Desktop Manager or if the Desktop Manager is
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not available, from the Finder's Desktop file.
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vRefNum input: Volume specification.
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dirID input: Directory ID.
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name input: Pointer to object name, or nil when dirID
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specifies a directory that's the object.
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comment output: A Str255 where the comment is to be returned.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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paramErr -50 Volume doesn't support this function
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rfNumErr Ð51 Reference number invalid
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extFSErr -58 External file system error - no file
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system claimed this call.
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desktopDamagedErr -1305 The desktop database has become corrupted -
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the Finder will fix this, but if your
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application is not running with the
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Finder, use PBDTReset or PBDTDelete
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afpItemNotFound -5012 Information not found
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__________
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Also see: DTCopyComment, FSpDTCopyComment, DTSetComment, FSpDTSetComment,
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FSpDTGetComment
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*/
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/*****************************************************************************/
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pascal OSErr FSpDTGetComment(const FSSpec *spec,
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Str255 comment);
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/* ¦ Get a file or directory's Finder comment field (if any).
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The FSpDTGetComment function gets a file or directory's Finder comment
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field (if any) from the Desktop Manager or if the Desktop Manager is
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not available, from the Finder's Desktop file.
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spec input: An FSSpec record specifying the file or directory.
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comment output: A Str255 where the comment is to be returned.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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paramErr -50 Volume doesn't support this function
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rfNumErr Ð51 Reference number invalid
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extFSErr -58 External file system error - no file
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system claimed this call.
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desktopDamagedErr -1305 The desktop database has become corrupted -
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the Finder will fix this, but if your
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application is not running with the
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Finder, use PBDTReset or PBDTDelete
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afpItemNotFound -5012 Information not found
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__________
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Also see: DTCopyComment, FSpDTCopyComment, DTSetComment, FSpDTSetComment,
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DTGetComment
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*/
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/*****************************************************************************/
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pascal OSErr DTCopyComment(short srcVRefNum,
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long srcDirID,
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StringPtr srcName,
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short dstVRefNum,
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long dstDirID,
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StringPtr dstName);
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/* ¦ Copy the file or folder comment from the source to the destination object.
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The DTCopyComment function copies the file or folder comment from the
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source to the destination object. The destination volume must support
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the Desktop Manager because you only have read access to the Desktop file.
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srcVRefNum input: Source volume specification.
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srcDirID input: Source directory ID.
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srcName input: Pointer to source object name, or nil when srcDirID
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specifies a directory that's the object.
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dstVRefNum input: Destination volume specification.
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dstDirID input: Destination directory ID.
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dstName input: Pointer to destination object name, or nil when
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dstDirID specifies a directory that's the object.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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fnfErr Ð43 File or directory doesnÕt exist
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wPrErr Ð44 Volume is locked through hardware
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vLckdErr Ð46 Volume is locked through software
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paramErr -50 Volume doesn't support this function
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rfNumErr Ð51 Reference number invalid
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paramErr -50 Volume doesn't support this function
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extFSErr -58 External file system error - no file
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system claimed this call.
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desktopDamagedErr -1305 The desktop database has become corrupted -
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the Finder will fix this, but if your
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application is not running with the
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Finder, use PBDTReset or PBDTDelete
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afpItemNotFound -5012 Information not found
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__________
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Also see: FSpDTCopyComment, DTSetComment, FSpDTSetComment, DTGetComment,
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FSpDTGetComment
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*/
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/*****************************************************************************/
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pascal OSErr FSpDTCopyComment(const FSSpec *srcSpec,
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const FSSpec *dstSpec);
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/* ¦ Copy the desktop database comment from the source to the destination object.
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The FSpDTCopyComment function copies the desktop database comment from
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the source to the destination object. Both the source and the
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destination volumes must support the Desktop Manager.
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srcSpec input: An FSSpec record specifying the source object.
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dstSpec input: An FSSpec record specifying the destination object.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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fnfErr Ð43 File or directory doesnÕt exist
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wPrErr Ð44 Volume is locked through hardware
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vLckdErr Ð46 Volume is locked through software
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paramErr -50 Volume doesn't support this function
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rfNumErr Ð51 Reference number invalid
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paramErr -50 Volume doesn't support this function
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extFSErr -58 External file system error - no file
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system claimed this call.
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desktopDamagedErr -1305 The desktop database has become corrupted -
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the Finder will fix this, but if your
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application is not running with the
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Finder, use PBDTReset or PBDTDelete
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afpItemNotFound -5012 Information not found
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__________
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Also see: DTCopyComment, DTSetComment, FSpDTSetComment, DTGetComment,
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FSpDTGetComment
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*/
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/*****************************************************************************/
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#ifdef __cplusplus
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}
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#endif
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#ifndef __COMPILINGMOREFILES
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#undef pascal
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#endif
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#endif /* __MOREDESKTOPMGR__ */
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