458 lines
14 KiB
C
458 lines
14 KiB
C
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/*****************************************************************************
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*
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* (C) Copyright MICROSOFT Corp., 1993-1995
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*
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* Title: DBT.H - Equates for WM_DEVICECHANGE and BroadcastSystemMessage
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*
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* Version: 4.00
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*
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* Date: 24-May-1993
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*
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* Author: rjc
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*
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*----------------------------------------------------------------------------
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*
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* Change log:
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*
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* DATE REV DESCRIPTION
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* ----------- --- ----------------------------------------------------------
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*
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*****************************************************************************/
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#ifndef _DBT_H
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#pragma option push -b -a8 -pc -A- /*P_O_Push*/
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#define _DBT_H
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/*
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* BroadcastSpecialMessage constants.
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*/
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#define WM_DEVICECHANGE 0x0219
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/* XLATOFF */
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#ifdef IS_32
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#define DBTFAR
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#else
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#define DBTFAR far
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#endif
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/* XLATON */
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#ifndef _WCHAR_T_DEFINED
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typedef unsigned short wchar_t;
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#define _WCHAR_T_DEFINED
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#endif
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#ifndef GUID_DEFINED
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#define GUID_DEFINED
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typedef struct _GUID {
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ULONG Data1;
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unsigned short Data2;
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unsigned short Data3;
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unsigned char Data4[8];
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} GUID;
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#endif // !defined(GUID_DEFINED)
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/*
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* Broadcast message and receipient flags.
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*
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* Note that there is a third "flag". If the wParam has:
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*
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* bit 15 on: lparam is a pointer and bit 14 is meaningfull.
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* bit 15 off: lparam is just a UNLONG data type.
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*
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* bit 14 on: lparam is a pointer to an ASCIIZ string.
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* bit 14 off: lparam is a pointer to a binary struture starting with
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* a dword describing the length of the structure.
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*/
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#define BSF_QUERY 0x00000001
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#define BSF_IGNORECURRENTTASK 0x00000002 /* Meaningless for VxDs */
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#define BSF_FLUSHDISK 0x00000004 /* Shouldn't be used by VxDs */
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#define BSF_NOHANG 0x00000008
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#define BSF_POSTMESSAGE 0x00000010
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#define BSF_FORCEIFHUNG 0x00000020
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#define BSF_NOTIMEOUTIFNOTHUNG 0x00000040
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#define BSF_MSGSRV32ISOK 0x80000000 /* Called synchronously from PM API */
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#define BSF_MSGSRV32ISOK_BIT 31 /* Called synchronously from PM API */
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#define BSM_ALLCOMPONENTS 0x00000000
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#define BSM_VXDS 0x00000001
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#define BSM_NETDRIVER 0x00000002
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#define BSM_INSTALLABLEDRIVERS 0x00000004
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#define BSM_APPLICATIONS 0x00000008
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_APPYBEGIN
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* lParam = (not used)
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*
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* 'Appy-time is now available. This message is itself sent
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* at 'Appy-time.
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*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_APPYEND
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* lParam = (not used)
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*
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* 'Appy-time is no longer available. This message is *NOT* sent
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* at 'Appy-time. (It cannot be, because 'Appy-time is gone.)
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*
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* NOTE! It is possible for DBT_APPYBEGIN and DBT_APPYEND to be sent
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* multiple times during a single Windows session. Each appearance of
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* 'Appy-time is bracketed by these two messages, but 'Appy-time may
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* momentarily become unavailable during otherwise normal Windows
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* processing. The current status of 'Appy-time availability can always
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* be obtained from a call to _SHELL_QueryAppyTimeAvailable.
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*/
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#define DBT_APPYBEGIN 0x0000
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#define DBT_APPYEND 0x0001
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_DEVNODES_CHANGED
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* lParam = 0
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*
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* send when configmg finished a process tree batch. Some devnodes
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* may have been added or removed. This is used by ring3 people which
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* need to be refreshed whenever any devnode changed occur (like
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* device manager). People specific to certain devices should use
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* DBT_DEVICE* instead.
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*/
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#define DBT_DEVNODES_CHANGED 0x0007
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_QUERYCHANGECONFIG
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* lParam = 0
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*
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* sent to ask if a config change is allowed
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*/
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#define DBT_QUERYCHANGECONFIG 0x0017
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_CONFIGCHANGED
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* lParam = 0
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*
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* sent when a config has changed
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*/
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#define DBT_CONFIGCHANGED 0x0018
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_CONFIGCHANGECANCELED
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* lParam = 0
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*
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* someone cancelled the config change
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*/
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#define DBT_CONFIGCHANGECANCELED 0x0019
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_MONITORCHANGE
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* lParam = new resolution to use (LOWORD=x, HIWORD=y)
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* if 0, use the default res for current config
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*
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* this message is sent when the display monitor has changed
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* and the system should change the display mode to match it.
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*/
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#define DBT_MONITORCHANGE 0x001B
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_SHELLLOGGEDON
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* lParam = 0
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*
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* The shell has finished login on: VxD can now do Shell_EXEC.
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*/
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#define DBT_SHELLLOGGEDON 0x0020
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_CONFIGMGAPI
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* lParam = CONFIGMG API Packet
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*
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* CONFIGMG ring 3 call.
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*/
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#define DBT_CONFIGMGAPI32 0x0022
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_VXDINITCOMPLETE
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* lParam = 0
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*
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* CONFIGMG ring 3 call.
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*/
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#define DBT_VXDINITCOMPLETE 0x0023
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_VOLLOCK*
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* lParam = pointer to VolLockBroadcast structure described below
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*
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* Messages issued by IFSMGR for volume locking purposes on WM_DEVICECHANGE.
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* All these messages pass a pointer to a struct which has no pointers.
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*/
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#define DBT_VOLLOCKQUERYLOCK 0x8041
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#define DBT_VOLLOCKLOCKTAKEN 0x8042
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#define DBT_VOLLOCKLOCKFAILED 0x8043
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#define DBT_VOLLOCKQUERYUNLOCK 0x8044
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#define DBT_VOLLOCKLOCKRELEASED 0x8045
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#define DBT_VOLLOCKUNLOCKFAILED 0x8046
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/*
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* Device broadcast header
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*/
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struct _DEV_BROADCAST_HDR { /* */
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DWORD dbch_size;
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DWORD dbch_devicetype;
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DWORD dbch_reserved;
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};
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typedef struct _DEV_BROADCAST_HDR DEV_BROADCAST_HDR;
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typedef DEV_BROADCAST_HDR DBTFAR *PDEV_BROADCAST_HDR;
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/*
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* Structure for volume lock broadcast
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*/
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typedef struct VolLockBroadcast VolLockBroadcast;
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typedef VolLockBroadcast *pVolLockBroadcast;
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struct VolLockBroadcast {
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struct _DEV_BROADCAST_HDR vlb_dbh;
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DWORD vlb_owner; // thread on which lock request is being issued
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BYTE vlb_perms; // lock permission flags defined below
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BYTE vlb_lockType; // type of lock
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BYTE vlb_drive; // drive on which lock is issued
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BYTE vlb_flags; // miscellaneous flags
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};
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/*
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* Values for vlb_perms
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*/
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#define LOCKP_ALLOW_WRITES 0x01 // Bit 0 set - allow writes
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#define LOCKP_FAIL_WRITES 0x00 // Bit 0 clear - fail writes
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#define LOCKP_FAIL_MEM_MAPPING 0x02 // Bit 1 set - fail memory mappings
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#define LOCKP_ALLOW_MEM_MAPPING 0x00 // Bit 1 clear - allow memory mappings
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#define LOCKP_USER_MASK 0x03 // Mask for user lock flags
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#define LOCKP_LOCK_FOR_FORMAT 0x04 // Level 0 lock for format
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/*
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* Values for vlb_flags
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*/
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#define LOCKF_LOGICAL_LOCK 0x00 // Bit 0 clear - logical lock
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#define LOCKF_PHYSICAL_LOCK 0x01 // Bit 0 set - physical lock
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_NODISKSPACE
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* lParam = drive number of drive that is out of disk space (1-based)
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*
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* Message issued by IFS manager when it detects that a drive is run out of
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* free space.
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*/
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#define DBT_NO_DISK_SPACE 0x0047
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/*
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* Message = WM_DEVICECHANGE
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* wParam = DBT_LOW_DISK_SPACE
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* lParam = drive number of drive that is low on disk space (1-based)
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*
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* Message issued by VFAT when it detects that a drive it has mounted
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* has the remaning free space below a threshold specified by the
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* registry or by a disk space management application.
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* The broadcast is issued by VFAT ONLY when space is either allocated
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* or freed by VFAT.
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*/
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#define DBT_LOW_DISK_SPACE 0x0048
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#define DBT_CONFIGMGPRIVATE 0x7FFF
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/*
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* The following messages are for WM_DEVICECHANGE. The immediate list
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* is for the wParam. ALL THESE MESSAGES PASS A POINTER TO A STRUCT
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* STARTING WITH A DWORD SIZE AND HAVING NO POINTER IN THE STRUCT.
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*
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*/
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#define DBT_DEVICEARRIVAL 0x8000 // system detected a new device
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#define DBT_DEVICEQUERYREMOVE 0x8001 // wants to remove, may fail
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#define DBT_DEVICEQUERYREMOVEFAILED 0x8002 // removal aborted
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#define DBT_DEVICEREMOVEPENDING 0x8003 // about to remove, still avail.
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#define DBT_DEVICEREMOVECOMPLETE 0x8004 // device is gone
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#define DBT_DEVICETYPESPECIFIC 0x8005 // type specific event
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#if(WINVER >= 0x040A)
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#define DBT_CUSTOMEVENT 0x8006 // user-defined event
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#endif /* WINVER >= 0x040A */
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#define DBT_DEVTYP_OEM 0x00000000 // oem-defined device type
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#define DBT_DEVTYP_DEVNODE 0x00000001 // devnode number
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#define DBT_DEVTYP_VOLUME 0x00000002 // logical volume
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#define DBT_DEVTYP_PORT 0x00000003 // serial, parallel
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#define DBT_DEVTYP_NET 0x00000004 // network resource
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#if(WINVER >= 0x040A)
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#define DBT_DEVTYP_DEVICEINTERFACE 0x00000005 // device interface class
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#define DBT_DEVTYP_HANDLE 0x00000006 // file system handle
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#endif /* WINVER >= 0x040A */
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struct _DEV_BROADCAST_HEADER { /* */
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DWORD dbcd_size;
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DWORD dbcd_devicetype;
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DWORD dbcd_reserved;
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};
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struct _DEV_BROADCAST_OEM { /* */
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DWORD dbco_size;
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DWORD dbco_devicetype;
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DWORD dbco_reserved;
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DWORD dbco_identifier;
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DWORD dbco_suppfunc;
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};
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typedef struct _DEV_BROADCAST_OEM DEV_BROADCAST_OEM;
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typedef DEV_BROADCAST_OEM DBTFAR *PDEV_BROADCAST_OEM;
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struct _DEV_BROADCAST_DEVNODE { /* */
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DWORD dbcd_size;
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DWORD dbcd_devicetype;
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DWORD dbcd_reserved;
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DWORD dbcd_devnode;
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};
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typedef struct _DEV_BROADCAST_DEVNODE DEV_BROADCAST_DEVNODE;
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typedef DEV_BROADCAST_DEVNODE DBTFAR *PDEV_BROADCAST_DEVNODE;
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struct _DEV_BROADCAST_VOLUME { /* */
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DWORD dbcv_size;
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DWORD dbcv_devicetype;
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DWORD dbcv_reserved;
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DWORD dbcv_unitmask;
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WORD dbcv_flags;
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};
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typedef struct _DEV_BROADCAST_VOLUME DEV_BROADCAST_VOLUME;
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typedef DEV_BROADCAST_VOLUME DBTFAR *PDEV_BROADCAST_VOLUME;
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#define DBTF_MEDIA 0x0001 // media comings and goings
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#define DBTF_NET 0x0002 // network volume
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typedef struct _DEV_BROADCAST_PORT_A {
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DWORD dbcp_size;
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DWORD dbcp_devicetype;
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DWORD dbcp_reserved;
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char dbcp_name[1];
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} DEV_BROADCAST_PORT_A, *PDEV_BROADCAST_PORT_A;
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typedef struct _DEV_BROADCAST_PORT_W {
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DWORD dbcp_size;
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DWORD dbcp_devicetype;
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DWORD dbcp_reserved;
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wchar_t dbcp_name[1];
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} DEV_BROADCAST_PORT_W, DBTFAR *PDEV_BROADCAST_PORT_W;
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#ifdef UNICODE
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typedef DEV_BROADCAST_PORT_W DEV_BROADCAST_PORT;
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typedef PDEV_BROADCAST_PORT_W PDEV_BROADCAST_PORT;
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#else
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typedef DEV_BROADCAST_PORT_A DEV_BROADCAST_PORT;
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typedef PDEV_BROADCAST_PORT_A PDEV_BROADCAST_PORT;
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#endif
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struct _DEV_BROADCAST_NET { /* */
|
||
|
|
DWORD dbcn_size;
|
||
|
|
DWORD dbcn_devicetype;
|
||
|
|
DWORD dbcn_reserved;
|
||
|
|
DWORD dbcn_resource;
|
||
|
|
DWORD dbcn_flags;
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct _DEV_BROADCAST_NET DEV_BROADCAST_NET;
|
||
|
|
typedef DEV_BROADCAST_NET DBTFAR *PDEV_BROADCAST_NET;
|
||
|
|
|
||
|
|
#if(WINVER >= 0x040A)
|
||
|
|
|
||
|
|
typedef struct _DEV_BROADCAST_DEVICEINTERFACE_A {
|
||
|
|
DWORD dbcc_size;
|
||
|
|
DWORD dbcc_devicetype;
|
||
|
|
DWORD dbcc_reserved;
|
||
|
|
GUID dbcc_classguid;
|
||
|
|
char dbcc_name[1];
|
||
|
|
} DEV_BROADCAST_DEVICEINTERFACE_A, *PDEV_BROADCAST_DEVICEINTERFACE_A;
|
||
|
|
|
||
|
|
typedef struct _DEV_BROADCAST_DEVICEINTERFACE_W {
|
||
|
|
DWORD dbcc_size;
|
||
|
|
DWORD dbcc_devicetype;
|
||
|
|
DWORD dbcc_reserved;
|
||
|
|
GUID dbcc_classguid;
|
||
|
|
wchar_t dbcc_name[1];
|
||
|
|
} DEV_BROADCAST_DEVICEINTERFACE_W, *PDEV_BROADCAST_DEVICEINTERFACE_W;
|
||
|
|
|
||
|
|
#ifdef UNICODE
|
||
|
|
typedef DEV_BROADCAST_DEVICEINTERFACE_W DEV_BROADCAST_DEVICEINTERFACE;
|
||
|
|
typedef PDEV_BROADCAST_DEVICEINTERFACE_W PDEV_BROADCAST_DEVICEINTERFACE;
|
||
|
|
#else
|
||
|
|
typedef DEV_BROADCAST_DEVICEINTERFACE_A DEV_BROADCAST_DEVICEINTERFACE;
|
||
|
|
typedef PDEV_BROADCAST_DEVICEINTERFACE_A PDEV_BROADCAST_DEVICEINTERFACE;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef struct _DEV_BROADCAST_HANDLE {
|
||
|
|
DWORD dbch_size;
|
||
|
|
DWORD dbch_devicetype;
|
||
|
|
DWORD dbch_reserved;
|
||
|
|
HANDLE dbch_handle; // file handle used in call to RegisterDeviceNotification
|
||
|
|
DWORD dbch_hdevnotify; // HDEVNOTIFY returned from RegisterDeviceNotification
|
||
|
|
//
|
||
|
|
// The following 3 fields are only valid if wParam is DBT_CUSTOMEVENT.
|
||
|
|
//
|
||
|
|
GUID dbch_eventguid;
|
||
|
|
LONG dbch_nameoffset; // offset (bytes) of variable-length string buffer (-1 if none)
|
||
|
|
BYTE dbch_data[1]; // variable-sized buffer, potentially containing binary and/or text data
|
||
|
|
} DEV_BROADCAST_HANDLE, *PDEV_BROADCAST_HANDLE;
|
||
|
|
|
||
|
|
#endif /* WINVER >= 0x040A */
|
||
|
|
|
||
|
|
#define DBTF_RESOURCE 0x00000001 // network resource
|
||
|
|
#define DBTF_XPORT 0x00000002 // new transport coming or going
|
||
|
|
#define DBTF_SLOWNET 0x00000004 // new incoming transport is slow
|
||
|
|
// (dbcn_resource undefined for now)
|
||
|
|
|
||
|
|
#define DBT_VPOWERDAPI 0x8100 // VPOWERD API for Win95
|
||
|
|
|
||
|
|
/*
|
||
|
|
* User-defined message types all use wParam = 0xFFFF with the
|
||
|
|
* lParam a pointer to the structure below.
|
||
|
|
*
|
||
|
|
* dbud_dbh - DEV_BROADCAST_HEADER must be filled in as usual.
|
||
|
|
*
|
||
|
|
* dbud_szName contains a case-sensitive ASCIIZ name which names the
|
||
|
|
* message. The message name consists of the vendor name, a backslash,
|
||
|
|
* then arbitrary user-defined ASCIIZ text. For example:
|
||
|
|
*
|
||
|
|
* "WidgetWare\QueryScannerShutdown"
|
||
|
|
* "WidgetWare\Video Q39S\AdapterReady"
|
||
|
|
*
|
||
|
|
* After the ASCIIZ name, arbitrary information may be provided.
|
||
|
|
* Make sure that dbud_dbh.dbch_size is big enough to encompass
|
||
|
|
* all the data. And remember that nothing in the structure may
|
||
|
|
* contain pointers.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define DBT_USERDEFINED 0xFFFF
|
||
|
|
|
||
|
|
struct _DEV_BROADCAST_USERDEFINED { /* */
|
||
|
|
struct _DEV_BROADCAST_HDR dbud_dbh;
|
||
|
|
char dbud_szName[1]; /* ASCIIZ name */
|
||
|
|
/* BYTE dbud_rgbUserDefined[];*/ /* User-defined contents */
|
||
|
|
};
|
||
|
|
|
||
|
|
#pragma option pop /*P_O_Pop*/
|
||
|
|
#endif // _DBT_H
|
||
|
|
|