windows-nt/Source/XPSP1/NT/printscan/fax/setup/wizdll/tapi.c
2020-09-26 16:20:57 +08:00

862 lines
23 KiB
C

/*++
Copyright (c) 1996 Microsoft Corporation
Module Name:
tapi.c
Abstract:
This file provides all access to tapi.
Environment:
WIN32 User Mode
Author:
Wesley Witt (wesw) 17-Feb-1996
--*/
#include "wizard.h"
#pragma hdrstop
#include <initguid.h>
#include <devguid.h>
DWORD TapiApiVersion;
HLINEAPP hLineApp;
HANDLE TapiEvent;
DWORD TapiDevices;
DWORD FaxDevices;
PLINE_INFO LineInfo;
DWORD CurrentLocationId;
DWORD CurrentCountryId;
LPTSTR CurrentAreaCode;
#include "modem.c"
LONG
MyLineGetTransCaps(
LPLINETRANSLATECAPS *LineTransCaps
)
{
DWORD LineTransCapsSize;
LONG Rslt = ERROR_SUCCESS;
//
// allocate the initial linetranscaps structure
//
LineTransCapsSize = sizeof(LINETRANSLATECAPS) + 4096;
*LineTransCaps = (LPLINETRANSLATECAPS) MemAlloc( LineTransCapsSize );
if (!*LineTransCaps) {
DebugPrint(( TEXT("MemAlloc() failed, sz=0x%08x"), LineTransCapsSize ));
Rslt = ERROR_NOT_ENOUGH_MEMORY;
goto exit;
}
(*LineTransCaps)->dwTotalSize = LineTransCapsSize;
Rslt = lineGetTranslateCaps(
hLineApp,
TapiApiVersion,
*LineTransCaps
);
if (Rslt != 0) {
DebugPrint(( TEXT("lineGetTranslateCaps() failed, ec=0x%08x"), Rslt ));
goto exit;
}
if ((*LineTransCaps)->dwNeededSize > (*LineTransCaps)->dwTotalSize) {
//
// re-allocate the LineTransCaps structure
//
LineTransCapsSize = (*LineTransCaps)->dwNeededSize;
MemFree( *LineTransCaps );
*LineTransCaps = (LPLINETRANSLATECAPS) MemAlloc( LineTransCapsSize );
if (!*LineTransCaps) {
DebugPrint(( TEXT("MemAlloc() failed, sz=0x%08x"), LineTransCapsSize ));
Rslt = ERROR_NOT_ENOUGH_MEMORY;
goto exit;
}
(*LineTransCaps)->dwTotalSize = LineTransCapsSize;
Rslt = lineGetTranslateCaps(
hLineApp,
TapiApiVersion,
*LineTransCaps
);
if (Rslt != 0) {
DebugPrint(( TEXT("lineGetTranslateCaps() failed, ec=0x%08x"), Rslt ));
goto exit;
}
}
exit:
if (Rslt != ERROR_SUCCESS) {
MemFree( *LineTransCaps );
*LineTransCaps = NULL;
}
return Rslt;
}
BOOL
LookFor351Modems(
VOID
)
{
TCHAR FileName[MAX_PATH*2];
TCHAR Ports[128];
if (!ExpandEnvironmentStrings( TEXT("%windir%\\system32\\ras\\serial.ini"), FileName, sizeof(FileName)/sizeof(TCHAR) )) {
return FALSE;
}
if (!GetPrivateProfileSectionNames( Ports, sizeof(Ports), FileName )) {
return FALSE;
}
return TRUE;
}
DWORD
DeviceInitThread(
HWND hwnd
)
{
DWORD rVal = 0;
LONG Rslt;
LINEINITIALIZEEXPARAMS LineInitializeExParams;
LINEEXTENSIONID lineExtensionID;
DWORD LineDevCapsSize;
LPLINEDEVCAPS LineDevCaps = NULL;
LPTSTR DeviceClassList;
BOOL UnimodemDevice;
DWORD i;
LPLINETRANSLATECAPS LineTransCaps = NULL;
LPLINELOCATIONENTRY LineLocation = NULL;
BOOL FirstTime = TRUE;
BOOL NoClass1 = FALSE;
LPTSTR p;
DWORD Answer;
DWORD LocalTapiApiVersion;
HKEY hKey;
DWORD ValType;
DWORD ValSize;
PMDM_DEVSPEC MdmDevSpec;
LPSTR ModemKey = NULL;
UINT Res;
TCHAR AdaptiveFileName[MAX_PATH*2];
HANDLE AdaptiveFileHandle;
BOOL AdaptiveFileExists = FALSE;
TCHAR Drive[_MAX_DRIVE];
TCHAR Dir[_MAX_DIR];
#define AdaptiveFileMaxSize 20000
BYTE AdaptiveFileBuffer[AdaptiveFileMaxSize]; // temporary needed. Currently < 1K anyway.
DWORD BytesHaveRead;
#define RespKeyMaxSize 1000
BYTE RespKeyName[RespKeyMaxSize];
if (hLineApp) {
return 0;
}
LineInitializeExParams.dwTotalSize = sizeof(LINEINITIALIZEEXPARAMS);
LineInitializeExParams.dwNeededSize = 0;
LineInitializeExParams.dwUsedSize = 0;
LineInitializeExParams.dwOptions = LINEINITIALIZEEXOPTION_USEEVENT;
LineInitializeExParams.Handles.hEvent = NULL;
LineInitializeExParams.dwCompletionKey = 0;
LocalTapiApiVersion = TapiApiVersion = 0x00020000;
if (!Unattended) {
SetDlgItemText(
hwnd,
IDC_DEVICE_PROGRESS_TEXT,
GetString( IDS_INIT_TAPI )
);
}
if (LookFor351Modems()) {
PopUpMsg( hwnd, IDS_351_MODEM, TRUE, 0 );
}
init_again:
Rslt = lineInitializeEx(
&hLineApp,
FaxWizModuleHandle,
NULL,
TEXT("Fax Setup"),
&TapiDevices,
&LocalTapiApiVersion,
&LineInitializeExParams
);
if (Rslt != 0) {
DebugPrint(( TEXT("lineInitializeEx() failed, ec=0x%08x"), Rslt ));
hLineApp = NULL;
goto exit;
}
if (!FirstTime) {
PopUpMsg( hwnd, IDS_NO_TAPI_DEVICES, TRUE, 0 );
ExitProcess(0);
}
if (TapiDevices == 0) {
if (NtGuiMode) {
//
// if running in nt gui mode setup and there
// are no tapi devices then we do nothing,
// but do allow the setup to continue.
//
lineShutdown( hLineApp );
hLineApp = NULL;
return 0;
}
Answer = PopUpMsg( hwnd, IDS_NO_MODEM, FALSE, MB_YESNO );
if (Answer == IDYES) {
if (!CallModemInstallWizard( hwnd )) {
DebugPrint(( TEXT("CallModemInstallWizard() failed, ec=0x%08x"), GetLastError() ));
}
} else {
DebugPrint(( TEXT("No tapi devices, user declined") ));
}
FirstTime = FALSE;
lineShutdown( hLineApp );
hLineApp = NULL;
goto init_again;
}
//
// determine the current location information
//
Rslt = MyLineGetTransCaps( &LineTransCaps );
if (Rslt != ERROR_SUCCESS) {
if (Rslt == LINEERR_INIFILECORRUPT) {
//
// need to set the location information
//
if (!NtGuiMode) {
Rslt = lineTranslateDialog( hLineApp, 0, LocalTapiApiVersion, hwnd, NULL );
if (Rslt == ERROR_SUCCESS) {
Rslt = MyLineGetTransCaps( &LineTransCaps );
}
}
}
if (Rslt != ERROR_SUCCESS) {
DebugPrint(( TEXT("MyLineGetTransCaps() failed, ec=0x%08x"), Rslt ));
goto exit;
}
}
LineLocation = (LPLINELOCATIONENTRY) ((LPBYTE)LineTransCaps + LineTransCaps->dwLocationListOffset);
for (i=0; i<LineTransCaps->dwNumLocations; i++) {
if (LineTransCaps->dwCurrentLocationID == LineLocation[i].dwPermanentLocationID) {
break;
}
}
if (i == LineTransCaps->dwNumLocations) {
DebugPrint(( TEXT("Could not determine the current location information") ));
goto exit;
}
CurrentLocationId = LineTransCaps->dwCurrentLocationID;
CurrentCountryId = LineLocation->dwCountryID;
CurrentAreaCode = StringDup( (LPTSTR) ((LPBYTE)LineTransCaps + LineLocation->dwCityCodeOffset) );
//
// allocate the lineinfo structure
//
TapiEvent = LineInitializeExParams.Handles.hEvent;
LineInfo = (PLINE_INFO) MemAlloc( TapiDevices * sizeof(LINE_INFO) );
if (!LineInfo) {
goto exit;
}
//
// allocate the initial linedevcaps structure
//
LineDevCapsSize = sizeof(LINEDEVCAPS) + 4096;
LineDevCaps = (LPLINEDEVCAPS) MemAlloc( LineDevCapsSize );
if (!LineDevCaps) {
goto exit;
}
if (!Unattended) {
SendMessage( hwnd, WM_MY_PROGRESS, 0xff, TapiDevices * 20 );
}
//
// open FaxAdapt.lst file to decide on enabling RX
// try executable directory first, then- system directory
//
if ( ! GetModuleFileName( FaxWizModuleHandle, AdaptiveFileName, sizeof(AdaptiveFileName) ) ) {
DebugPrint(( TEXT("GetModuleFileName fails , ec=0x%08x "), GetLastError() ));
goto l0;
}
_tsplitpath( AdaptiveFileName, Drive, Dir, NULL, NULL );
_stprintf( AdaptiveFileName, TEXT("%s%s"), Drive, Dir );
if ( _tcslen(AdaptiveFileName) + _tcslen( TEXT("FAXADAPT.LST") ) >= MAX_PATH ) {
DebugPrint(( TEXT("GetCurrentDirectory() too long , MAX_PATH = %d"), MAX_PATH ));
goto l0;
}
_tcscat (AdaptiveFileName, (TEXT ("FAXADAPT.LST")) );
if ( (AdaptiveFileHandle = CreateFile(AdaptiveFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL) )
== INVALID_HANDLE_VALUE ) {
DebugPrint(( TEXT("Could not open adaptive file %s ec=0x%08x"), AdaptiveFileName, GetLastError() ));
goto l0;
}
if (! ReadFile(AdaptiveFileHandle, AdaptiveFileBuffer, AdaptiveFileMaxSize, &BytesHaveRead, NULL ) ) {
DebugPrint(( TEXT("Could not read adaptive file %s ec=0x%08x"), AdaptiveFileName, GetLastError() ));
CloseHandle(AdaptiveFileHandle);
goto l1;
}
if (BytesHaveRead >= AdaptiveFileMaxSize) {
DebugPrint(( TEXT("Adaptive file %s is too big - %d bytes"), AdaptiveFileName, BytesHaveRead ));
CloseHandle(AdaptiveFileHandle);
goto l1;
}
CloseHandle(AdaptiveFileHandle);
AdaptiveFileBuffer[BytesHaveRead] = 0; // need a string
AdaptiveFileExists = TRUE;
goto l1;
//
// only if there is no file in the current directory.
//
l0:
Res = GetSystemDirectory( AdaptiveFileName, MAX_PATH);
if (Res == 0) {
DebugPrint(( TEXT("GetSystemDirectory() failed 0, ec=0x%08x"), GetLastError() ));
goto l1;
}
else if (Res > MAX_PATH) {
DebugPrint(( TEXT("GetSystemDirectory() failed > MAX_PATH = %d"), MAX_PATH ));
goto l1;
}
if (Res + _tcslen( TEXT("\\FAXADAPT.LST") ) >= MAX_PATH ) {
DebugPrint(( TEXT("GetSystemDirectory() too long %d, MAX_PATH = %d"), Res, MAX_PATH ));
goto l1;
}
_tcscat (AdaptiveFileName, (TEXT ("\\FAXADAPT.LST")) );
if ( (AdaptiveFileHandle = CreateFile(AdaptiveFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL) )
== INVALID_HANDLE_VALUE ) {
DebugPrint(( TEXT("Could not open adaptive file %s ec=0x%08x"), AdaptiveFileName, GetLastError() ));
goto l1;
}
if (! ReadFile(AdaptiveFileHandle, AdaptiveFileBuffer, AdaptiveFileMaxSize, &BytesHaveRead, NULL ) ) {
DebugPrint(( TEXT("Could not read adaptive file %s ec=0x%08x"), AdaptiveFileName, GetLastError() ));
CloseHandle(AdaptiveFileHandle);
goto l1;
}
if (BytesHaveRead >= AdaptiveFileMaxSize) {
DebugPrint(( TEXT("Adaptive file %s is too big - %d bytes"), AdaptiveFileName, BytesHaveRead ));
CloseHandle(AdaptiveFileHandle);
goto l1;
}
CloseHandle(AdaptiveFileHandle);
AdaptiveFileBuffer[BytesHaveRead] = 0; // need a string
AdaptiveFileExists = TRUE;
l1:
//
// enumerate all of the tapi devices
//
i = 0;
do {
Rslt = lineNegotiateAPIVersion(
hLineApp,
i,
0x00010003,
TapiApiVersion,
&LocalTapiApiVersion,
&lineExtensionID
);
if (Rslt != 0) {
DebugPrint(( TEXT("lineNegotiateAPIVersion() failed, ec=0x%08x"), Rslt ));
goto next_device;
}
ZeroMemory( LineDevCaps, LineDevCapsSize );
LineDevCaps->dwTotalSize = LineDevCapsSize;
Rslt = lineGetDevCaps(
hLineApp,
i,
LocalTapiApiVersion,
0,
LineDevCaps
);
if (Rslt != 0) {
DebugPrint(( TEXT("lineGetDevCaps() failed, ec=0x%08x"), Rslt ));
goto next_device;
}
if (LineDevCaps->dwNeededSize > LineDevCaps->dwTotalSize) {
//
// re-allocate the linedevcaps structure
//
LineDevCapsSize = LineDevCaps->dwNeededSize;
MemFree( LineDevCaps );
LineDevCaps = (LPLINEDEVCAPS) MemAlloc( LineDevCapsSize );
if (!LineDevCaps) {
rVal = ERROR_NOT_ENOUGH_MEMORY;
goto exit;
}
Rslt = lineGetDevCaps(
hLineApp,
i,
TapiApiVersion,
0,
LineDevCaps
);
if (Rslt != 0) {
DebugPrint(( TEXT("lineGetDevCaps() failed, ec=0x%08x"), Rslt ));
goto next_device;
}
}
if (!Unattended) {
SendMessage( hwnd, WM_MY_PROGRESS, 10, 0 );
}
if (!Unattended) {
SetDlgItemText(
hwnd,
IDC_DEVICE_PROGRESS_TEXT,
(LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwLineNameOffset)
);
}
if (TapiApiVersion != 0x00020000) {
DebugPrint((
TEXT("TAPI device is incompatible with the FAX server: %s"),
(LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwLineNameOffset)
));
goto next_device;
}
//
// save the line id
//
LineInfo[FaxDevices].PermanentLineID = LineDevCaps->dwPermanentLineID;
LineInfo[FaxDevices].DeviceName = StringDup( (LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwLineNameOffset) );
LineInfo[FaxDevices].ProviderName = StringDup( (LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwProviderInfoOffset) );
LineInfo[FaxDevices].Rings = LineDevCaps->dwLineStates & LINEDEVSTATE_RINGING ? 2 : 0;
LineInfo[FaxDevices].Flags = FPF_RECEIVE | FPF_SEND;
//
// filter out the commas because the spooler hates them
//
p = LineInfo[FaxDevices].DeviceName;
while( p ) {
p = _tcschr( p, TEXT(',') );
if (p) {
*p = TEXT('_');
}
}
//
// check for a modem device
//
UnimodemDevice = FALSE;
if (LineDevCaps->dwDeviceClassesSize && LineDevCaps->dwDeviceClassesOffset) {
DeviceClassList = (LPTSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwDeviceClassesOffset);
while (*DeviceClassList) {
if (_tcscmp(DeviceClassList,TEXT("comm/datamodem")) == 0) {
UnimodemDevice = TRUE;
break;
}
DeviceClassList += (_tcslen(DeviceClassList) + 1);
}
}
if ((!(LineDevCaps->dwBearerModes & LINEBEARERMODE_VOICE)) ||
(!(LineDevCaps->dwBearerModes & LINEBEARERMODE_PASSTHROUGH))) {
//
// unacceptable modem device type
//
UnimodemDevice = FALSE;
}
if (UnimodemDevice) {
LINECALLPARAMS LineCallParams;
HCALL hCall = NULL;
HLINE hLine = NULL;
LINEMESSAGE LineMessage;
DWORD RequestId;
LineInfo[FaxDevices].Flags = FPF_SEND; // Unimodem default
Rslt = lineOpen(
hLineApp,
i,
&hLine,
TapiApiVersion,
0,
0,
LINECALLPRIVILEGE_OWNER,
UnimodemDevice ? LINEMEDIAMODE_DATAMODEM : LINEMEDIAMODE_G3FAX,
NULL
);
if (Rslt != 0) {
DebugPrint(( TEXT("lineOpen() failed, ec=0x%08x"), Rslt ));
goto next_device;
}
//
// Get Unimodem key to search Adaptive list.
//
if (! AdaptiveFileExists) {
goto l2;
}
if (! LineDevCaps->dwDevSpecificSize) {
goto l2;
}
MdmDevSpec = (PMDM_DEVSPEC) ((LPBYTE) LineDevCaps + LineDevCaps->dwDevSpecificOffset);
if (MdmDevSpec->Contents == 1 && MdmDevSpec->KeyOffset == 8) {
ModemKey = MdmDevSpec->String;
}
else {
goto l2;
}
if (!ModemKey) {
DebugPrint(( TEXT("Can't get Unimodem key") ));
goto l2;
}
//
// Get ResponsesKeyName
//
Rslt = RegOpenKeyExA(
HKEY_LOCAL_MACHINE,
ModemKey,
0,
KEY_READ,
&hKey);
if (Rslt != ERROR_SUCCESS) {
DebugPrint(( TEXT("Can't open Unimodem key") ));
goto l2;
}
ValSize = RespKeyMaxSize;
Rslt = RegQueryValueExA(
hKey,
"ResponsesKeyName",
0,
&ValType,
RespKeyName,
&ValSize);
RegCloseKey(hKey);
if (Rslt != ERROR_SUCCESS) {
DebugPrint(( TEXT("Can't get Unimodem ResponsesKeyName") ));
goto l2;
}
if ( (ValSize >= RespKeyMaxSize) || (ValSize == 0) ) {
DebugPrint(( TEXT("Unimodem ResponsesKeyName key is invalid %d"), RespKeyMaxSize ));
goto l2;
}
if (!RespKeyName) {
DebugPrint(( TEXT("Unimodem ResponsesKeyName key is NULL") ));
goto l2;
}
_strupr(RespKeyName);
//
// check to see if this modem is defined in Adaptive modem list
//
if ( strstr (AdaptiveFileBuffer, RespKeyName) ) {
// enable receive on this device: it is adaptive answer capable.
LineInfo[FaxDevices].Flags = FPF_RECEIVE | FPF_SEND;
}
l2:
ZeroMemory( &LineCallParams, sizeof(LineCallParams) );
LineCallParams.dwTotalSize = sizeof(LINECALLPARAMS);
LineCallParams.dwBearerMode = LINEBEARERMODE_PASSTHROUGH;
hCall = NULL;
Rslt = lineMakeCall( hLine, &hCall, NULL, 0, &LineCallParams );
if (Rslt > 0) {
#define IDVARSTRINGSIZE (sizeof(VARSTRING)+128)
PDEVICEID DeviceID = NULL;
LPVARSTRING LineIdBuffer = MemAlloc( IDVARSTRINGSIZE );
LineIdBuffer->dwTotalSize = IDVARSTRINGSIZE;
RequestId = (DWORD) Rslt;
//
// wait for the call to complete
//
while( TRUE ) {
if (WaitForSingleObject( TapiEvent, 5 * 60 * 1000 ) == WAIT_TIMEOUT) {
DebugPrint(( TEXT("Setup never received a tapi event") ));
rVal = ERROR_INVALID_FUNCTION;
goto exit;
}
Rslt = lineGetMessage( hLineApp, &LineMessage, 0 );
if (Rslt == 0) {
if (LineMessage.dwMessageID == LINE_REPLY && LineMessage.dwParam1 == RequestId) {
switch (LineMessage.dwParam2) {
case 0:
break;
case LINEERR_CALLUNAVAIL:
DebugPrint(( TEXT("lineMakeCall() failed (LINE_REPLY), ec=0x%08x"), LineMessage.dwParam2 ));
goto next_device;
default:
DebugPrint(( TEXT("lineMakeCall() failed (LINE_REPLY), ec=0x%08x"), LineMessage.dwParam2 ));
rVal = LineMessage.dwParam2;
goto exit;
}
break;
}
}
}
//
// get the comm handle
//
Rslt = lineGetID(
hLine,
0,
hCall,
LINECALLSELECT_CALL,
LineIdBuffer,
TEXT("comm/datamodem")
);
if (Rslt == 0 && LineIdBuffer->dwStringFormat == STRINGFORMAT_BINARY &&
LineIdBuffer->dwUsedSize >= sizeof(DEVICEID)) {
DeviceID = (PDEVICEID) ((LPBYTE)(LineIdBuffer)+LineIdBuffer->dwStringOffset);
if (GetModemClass( DeviceID->hComm ) != 1) {
Rslt = LINEERR_BADDEVICEID;
NoClass1 = TRUE;
DebugPrint(( TEXT("GetModemClass() failed, ec=0x%08x"), Rslt ));
} else {
FaxDevices += 1;
}
CloseHandle( DeviceID->hComm );
} else {
DebugPrint(( TEXT("lineGetID() failed, ec=0x%08x"), Rslt ));
}
MemFree( LineIdBuffer );
} else {
DebugPrint(( TEXT("lineMakeCall() failed, ec=0x%08x"), Rslt ));
}
if (hCall) {
lineDeallocateCall( hCall );
}
if (hLine) {
lineClose( hLine );
}
} else {
if (LineDevCaps->dwMediaModes & LINEMEDIAMODE_G3FAX) {
//
// save the line id
//
FaxDevices += 1;
}
}
next_device:
if (!Unattended) {
SendMessage( hwnd, WM_MY_PROGRESS, 10, 0 );
Sleep( 1000 );
}
i += 1;
} while ( i < TapiDevices );
exit:
MemFree( LineDevCaps );
MemFree( LineTransCaps );
lineShutdown( hLineApp );
if ((rVal != 0) || (FaxDevices == 0)) {
if (NtGuiMode) {
//
// if running in nt gui mode setup and there
// are no tapi devices then we do nothing,
// but do allow the setup to continue.
//
hLineApp = NULL;
return 0;
}
PopUpMsg( hwnd, NoClass1 ? IDS_NO_CLASS1 : IDS_NO_TAPI_DEVICES, TRUE, 0 );
ExitProcess(0);
}
if (!Unattended) {
SetWindowLong( hwnd, DWL_MSGRESULT, 0 );
PropSheet_PressButton( GetParent(hwnd), PSBTN_NEXT );
}
return 0;
}
BOOL
CallModemInstallWizard(
HWND hwnd
)
/* call the Modem.Cpl install wizard to enable the user to install one or more modems
**
** Return TRUE if the wizard was successfully invoked, FALSE otherwise
**
*/
{
HDEVINFO hdi;
BOOL fReturn = FALSE;
// Create a modem DeviceInfoSet
hdi = SetupDiCreateDeviceInfoList((LPGUID)&GUID_DEVCLASS_MODEM, hwnd);
if (hdi)
{
SP_INSTALLWIZARD_DATA iwd;
// Initialize the InstallWizardData
ZeroMemory(&iwd, sizeof(iwd));
iwd.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
iwd.ClassInstallHeader.InstallFunction = DIF_INSTALLWIZARD;
iwd.hwndWizardDlg = hwnd;
// Set the InstallWizardData as the ClassInstallParams
if (SetupDiSetClassInstallParams(hdi, NULL, (PSP_CLASSINSTALL_HEADER)&iwd, sizeof(iwd)))
{
// Call the class installer to invoke the installation
// wizard.
if (SetupDiCallClassInstaller(DIF_INSTALLWIZARD, hdi, NULL))
{
// Success. The wizard was invoked and finished.
// Now cleanup.
fReturn = TRUE;
SetupDiCallClassInstaller(DIF_DESTROYWIZARDDATA, hdi, NULL);
}
}
// Clean up
SetupDiDestroyDeviceInfoList(hdi);
}
return fReturn;
}