400 lines
9.8 KiB
C
400 lines
9.8 KiB
C
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/*****************************************************************************
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*
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* Component: sndvol32.exe
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* File: utils.c
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* Purpose: miscellaneous
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*
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* Copyright (c) 1985-1999 Microsoft Corporation
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*
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*****************************************************************************/
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#include <windows.h>
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#include <windowsx.h>
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#include <mmsystem.h>
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#include "volumei.h"
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#include "volids.h"
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#include "mmddkp.h"
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/* misc. */
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const TCHAR gszStateSubkey[] = TEXT ("%s\\%s");
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static TCHAR gszAppName[256];
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BOOL Volume_ErrorMessageBox(
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HWND hwnd,
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HINSTANCE hInst,
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UINT id)
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{
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TCHAR szMessage[256];
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BOOL fRet;
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szMessage[0] = 0;
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if (!gszAppName[0])
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LoadString(hInst, IDS_APPBASE, gszAppName, SIZEOF(gszAppName));
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LoadString(hInst, id, szMessage, SIZEOF(szMessage));
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fRet = (MessageBox(hwnd
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, szMessage
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, gszAppName
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, MB_APPLMODAL | MB_ICONINFORMATION
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| MB_OK | MB_SETFOREGROUND) == MB_OK);
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return fRet;
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}
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const TCHAR aszXPos[] = TEXT ("X");
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const TCHAR aszYPos[] = TEXT ("Y");
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const TCHAR aszLineInfo[] = TEXT ("LineStates");
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///////////////////////////////////////////////////////////////////////////////////////////
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// Microsoft Confidential - DO NOT COPY THIS METHOD INTO ANY APPLICATION, THIS MEANS YOU!!!
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///////////////////////////////////////////////////////////////////////////////////////////
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DWORD GetWaveOutID(BOOL *pfPreferred)
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{
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MMRESULT mmr;
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DWORD dwWaveID=0;
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DWORD dwFlags = 0;
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if (pfPreferred)
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{
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*pfPreferred = TRUE;
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}
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mmr = waveOutMessage((HWAVEOUT)UIntToPtr(WAVE_MAPPER), DRVM_MAPPER_PREFERRED_GET, (DWORD_PTR) &dwWaveID, (DWORD_PTR) &dwFlags);
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if (!mmr && pfPreferred)
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{
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*pfPreferred = dwFlags & 0x00000001;
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}
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return(dwWaveID);
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}
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///////////////////////////////////////////////////////////////////////////////////////////
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// Microsoft Confidential - DO NOT COPY THIS METHOD INTO ANY APPLICATION, THIS MEANS YOU!!!
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///////////////////////////////////////////////////////////////////////////////////////////
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DWORD GetWaveInID(BOOL *pfPreferred)
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{
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MMRESULT mmr;
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DWORD dwWaveID=0;
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DWORD dwFlags = 0;
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if (pfPreferred)
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{
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*pfPreferred = TRUE;
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}
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mmr = waveInMessage((HWAVEIN)UIntToPtr(WAVE_MAPPER), DRVM_MAPPER_PREFERRED_GET, (DWORD_PTR) &dwWaveID, (DWORD_PTR) &dwFlags);
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if (!mmr && pfPreferred)
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{
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*pfPreferred = dwFlags & 0x00000001;
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}
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return(dwWaveID);
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}
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/*
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* Volume_GetDefaultMixerID
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*
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* Get the default mixer id. We only appear if there is a mixer associated
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* with the default wave.
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*
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*/
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MMRESULT Volume_GetDefaultMixerID(
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int *pid,
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BOOL fRecord)
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{
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MMRESULT mmr;
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UINT u, uMxID;
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BOOL fPreferredOnly = 0;
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*pid = 0;
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mmr = MMSYSERR_ERROR;
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//
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// We use messages to the Wave Mapper in Win2K to get the preferred device.
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//
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if (fRecord)
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{
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if(waveInGetNumDevs())
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{
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u = GetWaveInID(&fPreferredOnly);
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// Can we get a mixer device ID from the wave device?
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mmr = mixerGetID((HMIXEROBJ)UIntToPtr(u), &uMxID, MIXER_OBJECTF_WAVEIN);
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if (mmr == MMSYSERR_NOERROR)
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{
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// Return this ID.
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*pid = uMxID;
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}
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}
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}
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else
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{
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if(waveOutGetNumDevs())
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{
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u = GetWaveOutID(&fPreferredOnly);
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// Can we get a mixer device ID from the wave device?
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mmr = mixerGetID((HMIXEROBJ)UIntToPtr(u), &uMxID, MIXER_OBJECTF_WAVEOUT);
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if (mmr == MMSYSERR_NOERROR)
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{
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// Return this ID.
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*pid = uMxID;
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}
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}
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}
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return mmr;
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}
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const TCHAR aszOptionsSection[] = TEXT ("Options");
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/*
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* Volume_GetSetStyle
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*
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* */
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void Volume_GetSetStyle(
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DWORD *pdwStyle,
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BOOL Get)
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{
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const TCHAR aszStyle[] = TEXT ("Style");
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if (Get)
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ReadRegistryData((LPTSTR)aszOptionsSection
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, (LPTSTR)aszStyle
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, NULL
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, (LPBYTE)pdwStyle
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, sizeof(DWORD));
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else
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WriteRegistryData((LPTSTR)aszOptionsSection
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, (LPTSTR)aszStyle
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, REG_DWORD
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, (LPBYTE)pdwStyle
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, sizeof(DWORD));
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}
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/*
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* Volume_GetTrayTimeout
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*
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* */
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DWORD Volume_GetTrayTimeout(
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DWORD dwTimeout)
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{
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const TCHAR aszTrayTimeout[] = TEXT ("TrayTimeout");
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DWORD dwT = dwTimeout;
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ReadRegistryData(NULL
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, (LPTSTR)aszTrayTimeout
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, NULL
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, (LPBYTE)&dwT
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, sizeof(DWORD));
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return dwT;
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}
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/*
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* Volume_GetSetRegistryLineStates
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*
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* Get/Set line states s.t. lines can be disabled if not used.
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*
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* */
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struct LINESTATE {
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DWORD dwSupport;
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TCHAR szName[MIXER_LONG_NAME_CHARS];
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};
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#define VCD_STATEMASK (VCD_SUPPORTF_VISIBLE|VCD_SUPPORTF_HIDDEN)
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BOOL Volume_GetSetRegistryLineStates(
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LPTSTR pszMixer,
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LPTSTR pszDest,
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PVOLCTRLDESC avcd,
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DWORD cvcd,
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BOOL Get)
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{
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struct LINESTATE * pls;
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DWORD ils, cls;
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TCHAR achEntry[128];
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if (cvcd == 0)
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return TRUE;
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wsprintf(achEntry, gszStateSubkey, pszMixer, pszDest);
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if (Get)
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{
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UINT cb;
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if (QueryRegistryDataSize((LPTSTR)achEntry
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, (LPTSTR)aszLineInfo
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, &cb) != NO_ERROR)
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return FALSE;
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pls = (struct LINESTATE *)GlobalAllocPtr(GHND, cb);
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if (!pls)
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return FALSE;
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if (ReadRegistryData((LPTSTR)achEntry
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, (LPTSTR)aszLineInfo
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, NULL
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, (LPBYTE)pls
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, cb) != NO_ERROR)
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{
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GlobalFreePtr(pls);
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return FALSE;
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}
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cls = cb / sizeof(struct LINESTATE);
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if (cls > cvcd)
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cls = cvcd;
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//
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// Restore the hidden state of the line.
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//
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for (ils = 0; ils < cls; ils++)
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{
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if (lstrcmp(pls[ils].szName, avcd[ils].szName) == 0)
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{
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avcd[ils].dwSupport |= pls[ils].dwSupport;
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}
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}
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GlobalFreePtr(pls);
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}
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else
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{
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pls = (struct LINESTATE *)GlobalAllocPtr(GHND, cvcd * sizeof (struct LINESTATE));
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if (!pls)
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return FALSE;
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//
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// Save the hidden state of the line
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//
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for (ils = 0; ils < cvcd; ils++)
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{
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lstrcpy(pls[ils].szName, avcd[ils].szName);
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pls[ils].dwSupport = avcd[ils].dwSupport & VCD_SUPPORTF_HIDDEN;
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}
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if (WriteRegistryData((LPTSTR)achEntry
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, (LPTSTR)aszLineInfo
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, REG_BINARY
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, (LPBYTE)pls
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, cvcd*sizeof(struct LINESTATE)) != NO_ERROR)
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{
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GlobalFreePtr(pls);
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return FALSE;
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}
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GlobalFreePtr(pls);
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}
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return TRUE;
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}
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/*
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* Volume_GetSetRegistryRect
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*
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* Set/Get window position for restoring the postion of the app window
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*
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* */
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BOOL Volume_GetSetRegistryRect(
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LPTSTR szMixer,
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LPTSTR szDest,
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LPRECT prc,
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BOOL Get)
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{
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TCHAR achEntry[128];
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wsprintf(achEntry, gszStateSubkey, szMixer, szDest);
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if (Get)
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{
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if (ReadRegistryData((LPTSTR)achEntry
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, (LPTSTR)aszXPos
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, NULL
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, (LPBYTE)&prc->left
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, sizeof(prc->left)) != NO_ERROR)
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{
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return FALSE;
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}
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if (ReadRegistryData((LPTSTR)achEntry
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, (LPTSTR)aszYPos
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, NULL
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, (LPBYTE)&prc->top
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, sizeof(prc->top)) != NO_ERROR)
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{
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return FALSE;
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}
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}
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else
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{
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if (prc)
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{
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if (WriteRegistryData((LPTSTR)achEntry
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, (LPTSTR)aszXPos
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, REG_DWORD
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, (LPBYTE)&prc->left
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, sizeof(prc->left)) != NO_ERROR)
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{
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return FALSE;
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}
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if (WriteRegistryData((LPTSTR)achEntry
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, (LPTSTR)aszYPos
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, REG_DWORD
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, (LPBYTE)&prc->top
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, sizeof(prc->top)) != NO_ERROR)
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{
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return FALSE;
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}
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}
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}
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return TRUE;
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}
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#ifdef DEBUG
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void FAR cdecl dprintfA(LPSTR szFormat, ...)
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{
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char ach[128];
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int s,d;
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va_list va;
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va_start(va, szFormat);
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s = wsprintf (ach,szFormat, va);
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va_end(va);
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for (d=sizeof(ach)-1; s>=0; s--)
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{
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if ((ach[d--] = ach[s]) == '\n')
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ach[d--] = '\r';
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}
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OutputDebugStringA("SNDVOL32: ");
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OutputDebugStringA(ach+d+1);
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}
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#ifdef UNICODE
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void FAR cdecl dprintfW(LPWSTR szFormat, ...)
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{
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WCHAR ach[128];
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int s,d;
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va_list va;
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va_start(va, szFormat);
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s = vswprintf (ach,szFormat, va);
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va_end(va);
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for (d=(sizeof(ach)/sizeof(WCHAR))-1; s>=0; s--)
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{
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if ((ach[d--] = ach[s]) == TEXT('\n'))
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ach[d--] = TEXT('\r');
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}
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OutputDebugStringW(TEXT("SNDVOL32: "));
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OutputDebugStringW(ach+d+1);
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}
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#endif
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#endif
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