Windows XP DLL File Information - mstscax.dll

The following DLL report was generated by automatic DLL script that scanned and loaded all DLL files in the system32 directory of Windows XP, extracted the information from them, and then saved it into HTML reports. If you want to view a report of another DLL, go to the main page of this Web site.

General Information

File Description:	Terminal Services ActiveX Client
File Version:	6.0.6001.18000 (longhorn_rtm.080118-1840)
Company:	Microsoft Corporation
Product Name:	Microsoft Windows Operating System
DLL popularity	Very Low - 1 other DLL files in system32 directory are statically linked to this file.
File Size:	2,013 KB
Total Number of Exported Functions:	6
Total Number of Exported Functions With Names:	6

Section Headers

Name	Virtual Address	Raw Data Size	% of File	Characteristics	Section Contains...
.text	0x00001000	1,545,728 Bytes	75.0%	Read, Execute	Code
.orpc	0x0017b000	1,024 Bytes	0.0%	Read, Execute	Code
.data	0x0017c000	19,968 Bytes	1.0%	Write, Read	Initialized Data
.rsrc	0x00185000	390,656 Bytes	18.9%	Read	Initialized Data
.reloc	0x001e5000	102,912 Bytes	5.0%	Read, Discardable	Initialized Data

Static Linking

mstscax.dll is statically linked to the following files:

msvcrt.dll
OLEAUT32.dll
ntdll.dll
WS2_32.dll
KERNEL32.dll
USER32.dll
GDI32.dll
ADVAPI32.dll
SHLWAPI.dll
ole32.dll
CRYPT32.dll
WININET.dll
SETUPAPI.dll
WINSPOOL.DRV
WINMM.dll
RPCRT4.dll
SHELL32.dll
urlmon.dll
CRYPTUI.dll
WTSAPI32.dll
credui.dll
Secur32.dll
IPHLPAPI.DLL
MSIMG32.dll
NETAPI32.dll
VERSION.dll

This means that when mstscax.dll is loaded, the above files are automatically loaded too. If one of these files is corrupted or missing, mstscax.dll won't be loaded.

List of files that are statically linked to mstscax.dll

aaclient.dll

This means that when one of the above files is loaded, mstscax.dll will be loaded too. (The opposite of the previous 'Static Linking' section)

General Resources Information

Resource Type	Number of Items	Total Size	% of File
Icons	13	245,448 Bytes	11.9%
Animated Icons	0	0 Bytes	0.0%
Cursors	0	0 Bytes	0.0%
Animated Cursors	0	0 Bytes	0.0%
Bitmaps	10	71,128 Bytes	3.4%
AVI Files	0	0 Bytes	0.0%
Dialog-Boxes	0	0 Bytes	0.0%
HTML Related Files	0	0 Bytes	0.0%
Menus	0	0 Bytes	0.0%
Strings	0	0 Bytes	0.0%
Type Libraries	1	50,608 Bytes	2.5%
Manifest	1	1,111 Bytes	0.1%
All Others	5	17,284 Bytes	0.8%
Total	30	385,579 Bytes	18.7%

Icons in this file

There are 13 icons stored in this DLL file. You can view all these icons in the following small thumbnail:

Cursors in this file

No cursors found in this file

Dialog-boxes list (up to 200 dialogs)

No dialog resources in this file.

String resources in this dll (up to 200 strings)

No string resources in this file.

COM Classes/Interfaces

Name	Type	Description
IMsRdpClient	Dispatch
IMsRdpClient2	Dispatch
IMsRdpClient3	Dispatch
IMsRdpClient4	Dispatch
IMsRdpClient5	Dispatch
IMsRdpClient6	Dispatch
IMsRdpClientAdvancedSettings	Dispatch
IMsRdpClientAdvancedSettings2	Dispatch
IMsRdpClientAdvancedSettings3	Dispatch
IMsRdpClientAdvancedSettings4	Dispatch
IMsRdpClientAdvancedSettings5	Dispatch
IMsRdpClientAdvancedSettings6	Dispatch
IMsRdpClientNonScriptable	Interface
IMsRdpClientNonScriptable2	Interface
IMsRdpClientNonScriptable3	Interface
IMsRdpClientNonScriptable4	Interface
IMsRdpClientSecuredSettings	Dispatch
IMsRdpClientShell	Dispatch
IMsRdpClientTransportSettings	Dispatch
IMsRdpClientTransportSettings2	Dispatch
IMsRdpDevice	Interface
IMsRdpDeviceCollection	Interface
IMsRdpDrive	Interface
IMsRdpDriveCollection	Interface
IMsTscAdvancedSettings	Dispatch
IMsTscAx	Dispatch
IMsTscAxEvents	Dispatch
IMsTscAx_Redist	Dispatch
IMsTscDebug	Dispatch
IMsTscNonScriptable	Interface
IMsTscSecuredSettings	Dispatch
ITSRemoteProgram	Dispatch
MsRdpClient	CoClass	Microsoft RDP Client Control (redistributable) - version 2
MsRdpClient2	CoClass	Microsoft RDP Client Control (redistributable) - version 3
MsRdpClient2NotSafeForScripting	CoClass	Microsoft RDP Client Control - version 3
MsRdpClient3	CoClass	Microsoft RDP Client Control (redistributable) - version 4
MsRdpClient3NotSafeForScripting	CoClass	Microsoft RDP Client Control - version 4
MsRdpClient4	CoClass	Microsoft RDP Client Control (redistributable) - version 5
MsRdpClient4NotSafeForScripting	CoClass	Microsoft RDP Client Control - version 5
MsRdpClient5	CoClass	Microsoft RDP Client Control (redistributable) - version 6
MsRdpClient5NotSafeForScripting	CoClass	Microsoft RDP Client Control - version 6
MsRdpClient6	CoClass	Microsoft RDP Client Control (redistributable) - version 7
MsRdpClient6NotSafeForScripting	CoClass	Microsoft RDP Client Control - version 7
MsRdpClientNotSafeForScripting	CoClass	Microsoft RDP Client Control - version 2
MsTscAx	CoClass	Microsoft Terminal Services Client Control (redistributable) - version 1
MsTscAxNotSafeForScripting	CoClass	Microsoft Terminal Services Client Control - version 1

Exported Functions List

The following functions are exported by this dll:

DllCanUnloadNow	DllGetClassObject	DllGetTscCtlVer	DllRegisterServer
DllUnregisterServer	RegisterTransportExtDll

Imported Functions List

The following functions are imported by this dll:

• msvcrt.dll:
  

  _CxxThrowException	_XcptFilter
  __badioinfo	__dllonexit
  __mb_cur_max	__pioinfo
  _adjust_fdiv	_amsg_exit
  _errno	_fileno
  _initterm	_iob
  _isatty	_itoa
  _lock	_lseeki64
  _onexit	_purecall
  _read	_resetstkoflw
  _snprintf	_strcmpi
  _strlwr	_strnicmp
  _unlock	_vsnprintf
  _vsnwprintf	_wcsicmp
  _wcslwr	_wcsnicmp
  _write	_wtoi
  _wtol	bsearch
  calloc	ceil
  fclose	ferror
  floor	free
  isdigit	isleadbyte
  iswalnum	iswctype
  iswdigit	isxdigit
  localeconv	malloc
  mbtowc	memcpy
  memmove	memset
  printf	public: virtual __thiscall type_info::~type_info(void)
  realloc	srand
  strchr	strncmp
  strtok	strtoul
  time	toupper
  towlower	ungetc
  void * __cdecl operator new[](unsigned int)	void __cdecl operator delete[](void *)
  wcschr	wcsncmp
  wcspbrk	wcsrchr
  wcsstr	wcstok
  wcstombs	wctomb

• OLEAUT32.dll:
  

  BSTR_UserFree	BSTR_UserMarshal	BSTR_UserSize	BSTR_UserUnmarshal
  LoadRegTypeLib	LoadTypeLib	OleCreatePropertyFrame	RegisterTypeLib
  SafeArrayAccessData	SafeArrayCreate	SafeArrayDestroy	SafeArrayUnaccessData
  SysAllocString	SysAllocStringByteLen	SysAllocStringLen	SysFreeString
  SysStringByteLen	SysStringLen	VarUI4FromStr	VariantChangeType
  VariantClear	VariantCopy	VariantInit

• ntdll.dll:
  

  NtDeviceIoControlFile	NtOpenFile	NtReadFile
  NtWriteFile	RtlAcquireResourceExclusive	RtlAcquireResourceShared
  RtlAreBitsSet	RtlClearBits	RtlDeleteElementGenericTable
  RtlDeleteResource	RtlEnumerateGenericTable	RtlEnumerateGenericTableWithoutSplaying
  RtlFindClearBitsAndSet	RtlGetLastNtStatus	RtlInitUnicodeString
  RtlInitializeBitMap	RtlInitializeCriticalSection	RtlInitializeGenericTable
  RtlInitializeResource	RtlInsertElementGenericTable	RtlLookupElementGenericTable
  RtlReleaseResource	RtlUnwind	VerSetConditionMask

• WS2_32.dll:
  

  FreeAddrInfoW	WSAAsyncSelect	WSACancelAsyncRequest	WSACleanup
  WSAGetLastError	WSAIoctl	WSALookupServiceBeginW	WSALookupServiceEnd
  WSALookupServiceNextW	WSANSPIoctl	WSASetLastError	WSAStartup
  closesocket	connect	getaddrinfo	gethostbyaddr
  gethostbyname	getservbyname	getservbyport	getsockname
  htonl	htons	htons	inet_addr
  inet_ntoa	recv	send	setsockopt
  shutdown	socket

• KERNEL32.dll:
  

  Beep	BindIoCompletionCallback	CancelIo
  ClearCommError	CloseHandle	CreateDirectoryW
  CreateEventW	CreateFileMappingW	CreateFileW
  CreateMutexW	CreateProcessW	CreateSemaphoreW
  CreateThread	DebugBreak	DeleteFileW
  DeviceIoControl	DisableThreadLibraryCalls	DuplicateHandle
  EscapeCommFunction	ExpandEnvironmentStringsW	FindClose
  FindCloseChangeNotification	FindFirstChangeNotificationW	FindFirstFileW
  FindNextChangeNotification	FindNextFileW	FindResourceExW
  FindResourceW	FlushFileBuffers	FlushInstructionCache
  FormatMessageW	FreeLibrary	FreeLibraryAndExitThread
  FreeResource	GetACP	GetCommConfig
  GetCommMask	GetCommModemStatus	GetCommProperties
  GetCommState	GetCommTimeouts	GetComputerNameA
  GetComputerNameW	GetCurrentProcess	GetCurrentProcessId
  GetCurrentThreadId	GetDefaultCommConfigW	GetDiskFreeSpaceW
  GetDriveTypeW	GetFileAttributesExW	GetFileAttributesW
  GetFileInformationByHandle	GetFileSize	GetFullPathNameW
  GetLocaleInfoW	GetModuleFileNameW	GetModuleHandleA
  GetModuleHandleExW	GetModuleHandleW	GetOverlappedResult
  GetProcAddress	GetProcessHeap	GetProfileStringW
  GetSystemDefaultLangID	GetSystemDefaultUILanguage	GetSystemDirectoryA
  GetSystemDirectoryW	GetSystemInfo	GetSystemTime
  GetSystemTimeAsFileTime	GetTempFileNameW	GetTempPathW
  GetTickCount	GetTimeZoneInformation	GetUserDefaultUILanguage
  GetVersion	GetVersionExA	GetVersionExW
  GetVolumeInformationW	GlobalAddAtomW	GlobalAlloc
  GlobalDeleteAtom	GlobalFree	GlobalHandle
  GlobalLock	GlobalSize	GlobalUnlock
  HeapDestroy	InitializeCriticalSection	InterlockedCompareExchange
  InterlockedDecrement	InterlockedExchange	InterlockedIncrement
  LoadLibraryA	LoadLibraryExW	LoadLibraryW
  LoadResource	LocalAlloc	LocalFree
  LockFile	LockFileEx	LockResource
  MapViewOfFile	MoveFileW	MulDiv
  MultiByteToWideChar	OpenThread	OutputDebugStringA
  OutputDebugStringW	PurgeComm	QueryDosDeviceW
  QueryPerformanceCounter	QueueUserWorkItem	RaiseException
  ReadFile	ReleaseSemaphore	RemoveDirectoryW
  ResetEvent	ResumeThread	SearchPathW
  SetCommMask	SetCommState	SetCommTimeouts
  SetEndOfFile	SetErrorMode	SetEvent
  SetFileAttributesW	SetFilePointer	SetFileTime
  SetUnhandledExceptionFilter	SetupComm	SizeofResource
  Sleep	SystemTimeToFileTime	TerminateProcess
  TlsAlloc	TlsFree	TlsGetValue
  TlsSetValue	TransmitCommChar	UnhandledExceptionFilter
  UnlockFile	UnmapViewOfFile	VerifyVersionInfoW
  VirtualAlloc	VirtualFree	VirtualProtect
  VirtualQuery	WaitCommEvent	WaitForMultipleObjects
  WaitForMultipleObjectsEx	WaitForSingleObject	WideCharToMultiByte
  WriteFile	lstrcatW	lstrcmp
  lstrcmpW	lstrcmpi	lstrcmpiW
  lstrcpyW	lstrcpynW	lstrlen
  lstrlenW	ntdll!RtlAllocateHeap	ntdll!RtlDeleteCriticalSection
  ntdll!RtlEnterCriticalSection	ntdll!RtlFreeHeap	ntdll!RtlGetLastWin32Error
  ntdll!RtlLeaveCriticalSection	ntdll!RtlRestoreLastWin32Error

• USER32.dll:
  

  AdjustWindowRect	AttachThreadInput	BeginDeferWindowPos	BeginPaint
  BringWindowToTop	CallNextHookEx	CallWindowProcW	ChangeClipboardChain
  CharLowerW	CharNextW	CharPrevW	CheckDlgButton
  ClientToScreen	CloseClipboard	CloseWindow	CopyIcon
  CopyRect	CountClipboardFormats	CreateCursor	CreateDialogParamW
  CreateIconIndirect	CreateWindowExW	DefDlgProcW	DefWindowProcW
  DeferWindowPos	DestroyAcceleratorTable	DestroyCursor	DestroyCursor
  DestroyWindow	DialogBoxParamW	DispatchMessageW	DrawIconEx
  DrawTextW	EmptyClipboard	EnableMenuItem	EnableWindow
  EndDeferWindowPos	EndDialog	EndPaint	EnumClipboardFormats
  EqualRect	FillRect	FindWindowExW	FindWindowW
  FlashWindow	GetActiveWindow	GetAsyncKeyState	GetCapture
  GetClassInfoExW	GetClassInfoW	GetClassNameW	GetClientRect
  GetClipboardData	GetClipboardFormatNameW	GetClipboardViewer	GetCursorPos
  GetDC	GetDesktopWindow	GetDlgItem	GetFocus
  GetForegroundWindow	GetGUIThreadInfo	GetKeyState	GetKeyboardLayout
  GetKeyboardLayoutNameA	GetKeyboardLayoutNameW	GetKeyboardState	GetKeyboardType
  GetLastActivePopup	GetLastInputInfo	GetMessageExtraInfo	GetMessageW
  GetMonitorInfoW	GetParent	GetRawInputData	GetSysColor
  GetSysColorBrush	GetSystemMenu	GetSystemMetrics	GetWindow
  GetWindowDC	GetWindowLongW	GetWindowPlacement	GetWindowRect
  GetWindowTextW	GetWindowThreadProcessId	InflateRect	IntersectRect
  InvalidateRect	IsChild	IsClipboardFormatAvailable	IsDlgButtonChecked
  IsIconic	IsWindow	IsWindowEnabled	IsWindowVisible
  IsZoomed	KillTimer	LoadCursorW	LoadIconW
  LoadImageW	LoadStringW	LockWindowUpdate	MapVirtualKeyW
  MapWindowPoints	MessageBeep	MonitorFromWindow	MoveWindow
  MsgWaitForMultipleObjectsEx	OffsetRect	OpenClipboard	PeekMessageW
  PostMessageW	PostQuitMessage	PostThreadMessageW	PtInRect
  RedrawWindow	RegisterClassExW	RegisterClassW	RegisterClipboardFormatW
  RegisterClipboardFormatW	RegisterDeviceNotificationW	RegisterHotKey	RegisterRawInputDevices
  ReleaseCapture	ReleaseDC	ScreenToClient	SendInput
  SendMessageW	SetActiveWindow	SetCapture	SetClipboardData
  SetClipboardViewer	SetCursor	SetCursorPos	SetDlgItemTextW
  SetFocus	SetForegroundWindow	SetParent	SetRect
  SetRectEmpty	SetScrollInfo	SetScrollPos	SetTimer
  SetWindowLongW	SetWindowPlacement	SetWindowPos	SetWindowRgn
  SetWindowTextW	SetWindowsHookExW	ShowCursor	ShowScrollBar
  ShowWindow	SystemParametersInfoA	SystemParametersInfoW	UnhookWindowsHookEx
  UnionRect	UnregisterClassW	UnregisterDeviceNotification	UnregisterHotKey
  UpdateWindow	keybd_event	wsprintfW

• GDI32.dll:
  

  BitBlt	CloseMetaFile	CombineRgn	CreateBitmap
  CreateBrushIndirect	CreateCompatibleBitmap	CreateCompatibleDC	CreateDCW
  CreateDIBPatternBrushPt	CreateDIBSection	CreateDIBitmap	CreateFontIndirectW
  CreateMetaFileW	CreatePalette	CreatePatternBrush	CreatePen
  CreatePolygonRgn	CreateRectRgn	CreateRectRgnIndirect	CreateSolidBrush
  DPtoLP	DeleteDC	DeleteMetaFile	DeleteObject
  Ellipse	ExtSelectClipRgn	FillRgn	FrameRgn
  GdiDrawStream	GdiFlush	GetBkMode	GetBrushOrgEx
  GetClipBox	GetCurrentObject	GetDIBColorTable	GetDeviceCaps
  GetMapMode	GetMetaFileBitsEx	GetNearestColor	GetNearestPaletteIndex
  GetObjectW	GetPaletteEntries	GetRgnBox	GetStockObject
  GetTextAlign	GetTextExtentPointW	LPtoDP	LineTo
  MoveToEx	OffsetClipRgn	OffsetRgn	PatBlt
  PlayMetaFile	Polygon	RealizePalette	Rectangle
  RestoreDC	SaveDC	SelectClipRgn	SelectObject
  SelectPalette	SetBitmapBits	SetBkColor	SetBkMode
  SetBrushOrgEx	SetDCBrushColor	SetDIBColorTable	SetMapMode
  SetMetaFileBitsEx	SetPolyFillMode	SetROP2	SetRectRgn
  SetStretchBltMode	SetTextAlign	SetTextColor	SetViewportOrgEx
  SetWindowExtEx	SetWindowOrgEx	StretchBlt	StretchDIBits
  UpdateColors

• ADVAPI32.dll:
  

  CredDeleteW	CredFree	CredGetSessionTypes	CredReadDomainCredentialsW
  CredReadW	CredUnmarshalCredentialW	CredWriteDomainCredentialsW	CredWriteW
  CryptAcquireContextW	CryptGenRandom	CryptReleaseContext	GetFileSecurityW
  GetSecurityDescriptorLength	GetTraceEnableFlags	GetTraceEnableLevel	GetTraceLoggerHandle
  GetUserNameA	GetUserNameW	RegCloseKey	RegConnectRegistryW
  RegCreateKeyExA	RegCreateKeyExW	RegCreateKeyW	RegDeleteKeyW
  RegDeleteValueA	RegDeleteValueW	RegEnumKeyExA	RegEnumKeyExW
  RegEnumValueW	RegFlushKey	RegOpenKeyA	RegOpenKeyExA
  RegOpenKeyExW	RegOpenKeyW	RegQueryInfoKeyA	RegQueryInfoKeyW
  RegQueryValueExA	RegQueryValueExW	RegSetValueExA	RegSetValueExW
  RegisterTraceGuidsW	SetFileSecurityW	TraceMessage	UnregisterTraceGuids

• SHLWAPI.dll:
  

  PathRemoveFileSpecW

• ole32.dll:
  

  CLSIDFromString	CoCreateInstance	CoGetMalloc	CoInitialize
  CoInitializeEx	CoTaskMemAlloc	CoTaskMemFree	CoTaskMemRealloc
  CoUninitialize	CreateDataAdviseHolder	CreateOleAdviseHolder	OleGetClipboard
  OleInitialize	OleIsCurrentClipboard	OleLoadFromStream	OleRegEnumVerbs
  OleRegGetMiscStatus	OleRegGetUserType	OleSaveToStream	OleSetClipboard
  OleUninitialize	ReleaseStgMedium	StringFromCLSID	WriteClassStm

• CRYPT32.dll:
  

  CertAddCRLContextToStore	CertCloseStore	CertCompareCertificate
  CertCreateCertificateContext	CertDuplicateCRLContext	CertDuplicateCertificateChain
  CertFindCertificateInStore	CertFindExtension	CertFreeCRLContext
  CertFreeCertificateChain	CertGetCRLContextProperty	CertGetCertificateChain
  CertGetEnhancedKeyUsage	CertGetNameStringW	CertOpenStore
  CertVerifyCertificateChainPolicy	CertVerifySubjectCertificateContext	CryptBinaryToStringW
  CryptDecodeObject	CryptMsgClose	CryptMsgOpenToDecode
  CryptMsgUpdate	CryptProtectData	CryptSignMessage
  CryptStringToBinaryW	CryptVerifyDetachedMessageSignature

• WININET.dll:
  

  InternetGetCookieW

• SETUPAPI.dll:
  

  SetupDiCreateDeviceInfoList	SetupDiDestroyDeviceInfoList	SetupDiEnumDeviceInfo
  SetupDiEnumDeviceInterfaces	SetupDiGetClassDevsW	SetupDiGetDeviceInstanceIdW
  SetupDiGetDeviceInterfaceDetailW	SetupDiGetDeviceRegistryPropertyW	SetupDiOpenClassRegKeyExW
  SetupDiOpenDevRegKey	SetupDiOpenDeviceInfoW

• WINSPOOL.DRV:
  

  ClosePrinter	DeviceCapabilitiesW	DocumentPropertiesW	EndDocPrinter
  EndPagePrinter	EnumPrintersW	GetJobA	GetJobW
  GetPrinterA	GetPrinterDataW	GetPrinterDriverW	GetPrinterW
  OpenPrinterW	PrinterProperties	SetJobA	SetJobW
  SetPrinterW	StartDocPrinterW	StartPagePrinter	WritePrinter

• WINMM.dll:
  

  waveOutClose	waveOutGetPitch	waveOutGetVolume	waveOutOpen
  waveOutPrepareHeader	waveOutReset	waveOutSetVolume	waveOutUnprepareHeader
  waveOutWrite

• RPCRT4.dll:
  

  CStdStubBuffer_AddRef	CStdStubBuffer_Connect
  CStdStubBuffer_CountRefs	CStdStubBuffer_DebugServerQueryInterface
  CStdStubBuffer_DebugServerRelease	CStdStubBuffer_Disconnect
  CStdStubBuffer_Invoke	CStdStubBuffer_IsIIDSupported
  CStdStubBuffer_QueryInterface	IUnknown_AddRef_Proxy
  IUnknown_QueryInterface_Proxy	IUnknown_Release_Proxy
  MesDecodeBufferHandleCreate	MesEncodeDynBufferHandleCreate
  MesHandleFree	NdrCStdStubBuffer_Release
  NdrDllCanUnloadNow	NdrDllGetClassObject
  NdrDllRegisterProxy	NdrDllUnregisterProxy
  NdrMesTypeDecode2	NdrMesTypeEncode2
  NdrMesTypeFree2	NdrOleAllocate
  NdrOleFree

• SHELL32.dll:
  

  DragQueryFileW	ExtractIconW	SHAppBarMessage	SHFileOperationW
  SHRestricted	Shell_NotifyIconW

• urlmon.dll:
  

  CopyStgMedium

• CRYPTUI.dll:
  

  CryptUIDlgViewCertificateW

• WTSAPI32.dll:
  

  WTSRegisterSessionNotification

  WTSUnRegisterSessionNotification

• credui.dll:
  

  CredUIParseUserNameW

  CredUIPromptForCredentialsW

• Secur32.dll:
  

  AcquireCredentialsHandleW	DecryptMessage	DeleteSecurityContext	EncryptMessage
  FreeContextBuffer	FreeCredentialsHandle	GetUserNameExW	InitializeSecurityContextW
  QueryContextAttributesW	QuerySecurityPackageInfoW

• IPHLPAPI.DLL:
  

  GetBestInterfaceEx

• MSIMG32.dll:
  

  GradientFill

• NETAPI32.dll:
  

  NetApiBufferFree

  NetGetJoinInformation

• VERSION.dll:
  

  GetFileVersionInfoSizeW

  GetFileVersionInfoW

  VerQueryValueW