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rcphook.asm
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/*++
=====================================================================
NT Locale Emulator Advance ver0.86 beta
---------------------------------------------------------------------
Develop environment : Windows XP SP2 & GoASM v0.47 with OllyDbg v1.10
=====================================================================
Source file name:
rcphook.asm
Module name:
ntleah.dll
Date:
13/6/2007
Author:
LOVEHINA-AVC
Description:
The hook DLL.
--*/
CONST SECTION
/*
#define DBG
#define DBG_ENTRY
#define TRAP
*/
;#define DBG_ENTRY
ERROR_INSUFFICIENT_BUFFER equ 122
WM_LBUTTONDOWN equ 0x201
MF_STRING equ 0
MIIM_STATE equ 1
MIIM_ID equ 2
MIIM_SUBMENU equ 4
MIIM_CHECKMARKS equ 8
MIIM_TYPE equ 0x10
MIIM_DATA equ 0x20
MIIM_STRING equ 0x40
MIIM_BITMAP equ 0x80
MIIM_FTYPE equ 0x100
LF_FACESIZE equ 32
LF_FULLFACESIZE equ 64
;MAX_CLASS_SUPPORTED equ 128
EVENT_MODIFY_STATE equ 2
DLL_PROCESS_ATTACH equ 1
VER_WINXP_SP2_OR_ABOVE equ 0
VER_WINXP_SP1 equ 1
VER_WIN2K equ 2
VER_WINXP equ 3
VER_MAJOR_WIN2K equ 5
OPEN_EXISTING equ 3
FILE_SHARE_READ equ 1
GENERIC_READ equ 0x80000000
VER_MINOR_WIN2K equ 0
CREATE_SUSPENDED equ 4
MEM_COMMIT equ 0x1000
PAGE_READWRITE equ 4
PAGE_EXECUTE_READWRITE equ 0x40
INVALID_HANDLE_VALUE equ -1
MAX_PATH equ 260
NORM_IGNORECASE equ 1
NORM_IGNOREKANATYPE equ 0x10000
NORM_IGNOREWIDTH equ 0x20000
FILE_MAP_ALL_ACCESS equ 0xF001F
CONTEXT_CONTROL equ 0x10001
regEip equ 0xB8
HEAP_ZERO_MEMORY equ 8
MB_ICONHAND equ 0x10
GCL_WNDPROC equ -24
GWL_STYLE equ -16
GWL_WNDPROC equ -4
DWL_DLGPROC equ 4
GCL_MENUNAME equ -8
WH_CBT equ 5
HCBT_MOVESIZE equ 0
HCBT_MINMAX equ 1
HCBT_QS equ 2
HCBT_CREATEWND equ 3
HCBT_DESTROYWND equ 4
HCBT_ACTIVATE equ 5
HCBT_CLICKSKIPPED equ 6
HCBT_KEYSKIPPED equ 7
HCBT_SYSCOMMAND equ 8
HCBT_SETFOCUS equ 9
WM_CREATE equ 1
WM_DESTROY equ 2
WM_NCDESTROY equ 0x82
WM_NCCREATE equ 0x81
WM_SETTINGCHANGE equ 0x1A
WM_DEVMODECHANGE equ 0x1B
WM_SETTEXT equ 0x0C
WM_GETTEXT equ 0x0D
WM_GETTEXTLENGTH equ 0x0E
EM_REPLACESEL equ 0xC2
EM_GETLINE equ 0xC4
WM_NOTIFYFORMAT equ 0x55
WM_INITDIALOG equ 0x110
CB_ADDSTRING equ 0x143
CB_DIR equ 0x145
CB_GETLBTEXT equ 0x148
CB_FINDSTRING equ 0x14C
CB_SELECTSTRING equ 0x14D
CB_INSERTSTRING equ 0x14A
CB_FINDSTRINGEXACT equ 0x158
LB_ADDSTRING equ 0x180
LB_INSERTSTRING equ 0x181
LB_GETTEXTLEN equ 0x18A
LB_FINDSTRING equ 0x18F
LB_ADDFILE equ 0x196
LB_FINDSTRINGEXACT equ 0x1A2
LB_GETTEXT equ 0x189
LB_SELECTSTRING equ 0x18C
LB_DIR equ 0x18D
WM_MDICREATE equ 0x220
WM_CHAR equ 0x102
WM_IME_CHAR equ 0x286
WM_UNKNOWN equ 0x43E
NFR_ANSI equ 1
NFR_UNICODE equ 2
NF_QUERY equ 3
NF_REQUERY equ 4
CT_CREATE_WINDOW equ 1
CT_CREATE_DIALOG equ 2
lpWndProc equ esp + 4
hWnd equ esp + 4
hWndMDIClient equ esp + 8
nIdx equ esp + 8
dwNewValue equ esp + 12
Msg equ esp + 8
wParam equ esp + 12
lParam equ esp + 16
lpCallBack equ esp + 20
fuFlags equ esp + 20
uTimeout equ esp + 24
dwData equ esp + 24
lpdwResult equ esp + 28
; NTSYSAPI NTSTATUS NTAPI
; RtlMultiByteToUnicodeN (
; PWCHAR UnicodeString,
; ULONG UnicodeSize,
; PULONG ResultSize,
; PCSTR MbString,
; ULONG MbSize
; );
OSVERSIONINFO STRUCT
dwOSVersionInfoSize dd ?
dwMajorVersion dd ?
dwMinorVersion dd ?
dwBuildNumber dd ?
dwPlatformId dd ?
szCSDVersion db 128 dup ?
ENDS
CREATEWNDEX STRUCT
lpParam dd ?
hInstance dd ?
hMenu dd ?
hWndParent dd ?
nHeight dd ?
nWidth dd ?
y dd ?
x dd ?
dwStyle dd ?
lpWindowName dd ?
lpClassName dd ?
dwExStyle dd ?
ENDS
CREATEMDIWND STRUCT
szClass dd ?
szTitle dd ?
hOwner dd ?
x dd ?
y dd ?
cx dd ?
cy dd ?
style dd ?
Param dd ?
ENDS
WNDCLASSEX STRUCT
cbSize dd ?
style dd ?
lpfnWndProc dd ?
cbClsExtra dd ?
cbWndExtra dd ?
hInstance dd ?
hIcon dd ?
hCursor dd ?
hbrBackground dd ?
lpszMenuName dd ?
lpszClassName dd ?
hIconSm dd ?
ENDS
WNDCLASS STRUCT
style dd ?
lpfnWndProc dd ?
cbClsExtra dd ?
cbWndExtra dd ?
hInstance dd ?
hIcon dd ?
hCursor dd ?
hbrBackground dd ?
lpszMenuName dd ?
lpszClassName dd ?
ENDS
LOGFONTSIMILAR STRUCT
lfHeight dd ?
lfWidth dd ?
lfEscapement dd ?
lfOrientation dd ?
lfWeight dd ?
lfItalic db ?
lfUnderline db ?
lfStrikeOut db ?
lfCharSet db ?
lfOutPrecision db ?
lfClipPrecision db ?
lfQuality db ?
lfPitchAndFamily db ?
ENDS
LOGFONT STRUCT
lfHeight dd ?
lfWidth dd ?
lfEscapement dd ?
lfOrientation dd ?
lfWeight dd ?
lfItalic db ?
lfUnderline db ?
lfStrikeOut db ?
lfCharSet db ?
lfOutPrecision db ?
lfClipPrecision db ?
lfQuality db ?
lfPitchAndFamily db ?
lfFaceName db LF_FACESIZE dup ?
ENDS
LOGFONTW STRUCT
lfHeight dd ?
lfWidth dd ?
lfEscapement dd ?
lfOrientation dd ?
lfWeight dd ?
lfItalic db ?
lfUnderline db ?
lfStrikeOut db ?
lfCharSet db ?
lfOutPrecision db ?
lfClipPrecision db ?
lfQuality db ?
lfPitchAndFamily db ?
lfFaceName dw LF_FACESIZE dup ?
ENDS
ENUMLOGFONTEX STRUCT
elfLogFont LOGFONT <>
elfFullName db LF_FULLFACESIZE dup ?
elfStyle db LF_FACESIZE dup ?
elfScript db LF_FACESIZE dup ?
ENDS
DESIGNVECTOR STRUCT
notcare dd ?
ENDS
ENUMLOGFONTEXDV STRUCT
elfEnumLogfontEx ENUMLOGFONTEX <>
elfDesignVector DESIGNVECTOR <>
ENDS
MENUITEMINFO STRUCT
cbSize dd ?
fMask dd ?
fType dd ?
fState dd ?
wID dd ?
hSubMenu dd ?
hbmpChecked dd ?
hbmpUnchecked dd ?
dwItemData dd ?
dwTypeData dd ?
cch dd ?
hbmpItem dd ?
ENDS
PROCESS_INFORMATION STRUCT
hProcess dd ?
hThread dd ?
dwProcessId dd ?
dwThreadId dd ?
ENDS
SYSTEM_CLASS_WNDPROC STRUCT
AnsiSystemClassProc dd ?
UnicodeSystemClassProc dd ?
ENDS
NTLEA_TLS_DATA STRUCT
InternalCall dd ?
DBCSLeadByte dd ?
IsFontAvailable dd ?
CurrentCallType dd ?
DialogProc dd ?
IsCreateFileCall dd ?
hWindowCbtHookNext dd ?
hWindowCbtHookAnsi dd ?
hWindowCbtHookUnicode dd ?
SystemClassDesc SYSTEM_CLASS_WNDPROC <>
SystemClassDescStorageSpace dd (14 - 1) * 2 dup ?
ENDS
NTLEA_WND_ASC_DATA STRUCT
PrevAnsiWindowProc dd ?
PrevUnicodeWindowProc dd ?
ENDS
DATA SECTION("ntlead")
ALIGN 4
context db 0x2CC dup ?
SystemClassNameA dd ADDR szSystemClassButtonA
dd ADDR szSystemClassComboBoxA
dd ADDR szSystemClassEditA
dd ADDR szSystemClassListBoxA
dd ADDR szSystemClassMdiClientA
dd ADDR szSystemClassRichEditA
dd ADDR szSystemClassRichEditClassA
dd ADDR szSystemClassScrollBarA
dd ADDR szSystemClassStaticA
dd ADDR szSysTreeView32A
dd ADDR szSysListView32A
dd ADDR szSysAnimate32A
dd ADDR szSysHeader32A
dd ADDR szToolTipClass32A
SystemClassNameW dd ADDR szSystemClassButtonW
dd ADDR szSystemClassComboBoxW
dd ADDR szSystemClassEditW
dd ADDR szSystemClassListBoxW
dd ADDR szSystemClassMdiClientW
dd ADDR szSystemClassRichEditW
dd ADDR szSystemClassRichEditClassW
dd ADDR szSystemClassScrollBarW
dd ADDR szSystemClassStaticW
dd ADDR szSysTreeView32W
dd ADDR szSysListView32W
dd ADDR szSysAnimate32W
dd ADDR szSysHeader32W
dd ADDR szToolTipClass32W
#ifdef TRAP
bTrapFlag dd 0
#endif
lpGetTimeZoneInformation dd ?
lpEnumFontFamiliesEx dd ?
dwTempCP dd ?
dwTempLCID dd ?
dwCodePage dd 0
dwLocaleID dd 0
dwFontSizePercent dd 100
dwTimeZone dd -480
lpEntryPoint dd ?
lpFileMappingAddress dd ?
lpFontFaceName dd ?
hEvent dd ?
dd ?
hFileMapping dd ?
hHeap dd ?
nTlsIndex dd ?
/*
lpRegisterClassAddress dd ?
lpRegisterClassExAddress dd ?
*/
lpUser32SEHAddress dd ?
lpProcInfoAddress dd ?
lpCreateProcAnsiAddress dd ?
lpCreateProcUniAddress dd ?
lpCallWindowProcAddress dd ?
lpParameterAddress dd ?
lpMBtoUniAddress dd ?
lpUnitoMBAddress dd ?
lpMBtoWCAddress dd ?
lpWCtoMBAddress dd ?
lpCPInfoAddress dd ?
lpGetWindowLongAddress dd ?
lpCreateFileAddress dd ?
lpCompareStringAddress dd ?
lpVerQueryValueAddress dd ?
lpReturnAddress dd ?
lpReturnAddressVQV dd ?
/*
lpWindowProcTable dd ?
lpWindowHandleTable dd ?
dwWindowProcCounter dd 0
dwWindowHandleCounter dd 0
*/
dwThreadId dd 0
dwThreadIdWCtoMB dd 0
bNtleaAtomInvoked db 0
MbCodePageTag db 0
nOSVer db 0
bInternalCall db 0
bInternalLock db 0
bInternalCallWCtoMB db 0
bInternalLockWCtoMB db 0
bInternalLockCreateProc db 0
bInternalLockVQV db 0
;bInternalLockRegClass db 0
bInternalLockCreateAtom db 0
bForceSpecifyFont db 0
bChinesePath db 0
bCreateProcUniFunc db 0
bCreateProcNative db 0
bSuspendThreadFlag db 0
bErrorFlag db 0
szTranslation db "\VarFileInfo\Translation"
szRcpEvent db "RcpEvent000",0
szRcpFileMap db "RcpFileMap000",0
szRcpEventName db "RcpEvent000",0
szNtDLLName db "ntdll.dll",0
szGdiDLLName db "gdi32.dll",0
szMultiByteToUnicode db "RtlMultiByteToUnicodeN",0
szUnicodeToMultiByte db "RtlUnicodeToMultiByteN",0
szNlsAnsiCodePage db "NlsAnsiCodePage",0
szNlsMbCodePageTag db "NlsMbCodePageTag",0
szGdiGetCodePage db "GdiGetCodePage",0
szSystemClassButtonA db "BUTTON",0
szSystemClassButtonW db L"BUTTON",0,0
szSystemClassComboBoxA db "COMBOBOX",0
szSystemClassComboBoxW db L"COMBOBOX",0,0
szSystemClassEditA db "EDIT",0
szSystemClassEditW db L"EDIT",0,0
szSystemClassListBoxA db "LISTBOX",0
szSystemClassListBoxW db L"LISTBOX",0,0
szSystemClassMdiClientA db "MDICLIENT",0
szSystemClassMdiClientW db L"MDICLIENT",0,0
szSystemClassRichEditA db "RichEdit",0
szSystemClassRichEditW db L"RichEdit",0,0
szSystemClassRichEditClassA db "RICHEDIT_CLASS",0
szSystemClassRichEditClassW db L"RICHEDIT_CLASS",0,0
szSystemClassScrollBarA db "SCROLLBAR",0
szSystemClassScrollBarW db L"SCROLLBAR",0,0
szSystemClassStaticA db "STATIC",0
szSystemClassStaticW db L"STATIC",0,0
szSysTreeView32A db "SysTreeView32",0
szSysTreeView32W db L"SysTreeView32",0,0
szSysListView32A db "SysListView32",0
szSysListView32W db L"SysListView32",0,0
szSysAnimate32A db "SysAnimate32",0
szSysAnimate32W db L"SysAnimate32",0,0
szSysHeader32A db "SysHeader32",0
szSysHeader32W db L"SysHeader32",0,0
szToolTipClass32A db "tooltips_class32",0
szToolTipClass32W db L"tooltips_class32",0,0
szAppHelp db L"\AppHelp.dll",0,0
szAppCheck db "ApphelpCheckRunApp",0
szAlLayer db "AlLayer.dll",0
szNtleaWndAscData db "NtleaWndAscData",0
szNtleaDlgAscData db "NtleaDlgAscData",0
szNewDlgClass db "NewDlgClass",0
szUnhandledExceptionTitle db "NTLEA internal exception",0
szMultipleHookNotAllowed db "The Microsoft Applocale has been detected, NTLEA is not compatible with it.",0Dh,0Ah,"Please unload it from memory and run the application again.",0
szUnhandledExceptionText db "Sorry, NTLEA got a fatal exception during the execution, the current application will be terminated from its context immediately.",0Dh,0Ah,0Dh,0Ah,"Exception description:",0Dh,0Ah,0Dh,0Ah,"%s",0
;szClassTableFull db "The class table is full, NTLEA could not record any more information for a registered window class.",0
szAppCallDefConvProc db "The executing application submitted a call to one of the DefWindowProc/DefFrameProc/DefDlgProc/DefMDIChildProc functions for a non-unicode window with incorrect timing.",0
CODE SECTION("ntleat")
#ifdef TRAP
TrapFunc:
cmp D[bTrapFlag],0
je >X9999
int 3
X9999:
retn
#endif
ALIGN 4
DllMain FRAME hInst, Reason, Reserved
dec D[Reason] ; cmp D[Reason],DLL_PROCESS_ATTACH
jnz >E0
call [kernel32:TlsAlloc]
cmp eax,-1
jz >E1
xor ecx,ecx
mov [nTlsIndex],eax
push ecx
push ecx
push ecx
call [kernel32:HeapCreate]
mov [hHeap],eax
xor edx,edx
push ecx
push esp
push edx
push edx
push ADDR InitUnicodeLayer
push edx
push edx
call [kernel32:CreateThread]
xor eax,eax
pop ecx
inc eax
E0:
sub D[Reason],2 ; cmp D[Reason],DLL_THREAD_DETACH
jnz >E2
push [nTlsIndex]
call [kernel32:TlsGetValue]
test eax,eax
jz >E2
mov ecx,eax
call FreeStringInternal
E2:
ret
E1:
xor eax,eax
jmp <E2
ENDF
ALIGN 4
AllocateZeroedMemory:
push eax
push HEAP_ZERO_MEMORY
jmp >S997
ALIGN 4
AllocateHeapInternal:
push ecx
push 0
S997:
push [hHeap]
call [kernel32:HeapAlloc]
retn
ALIGN 4
GetTlsValueInternal:
call [kernel32:GetLastError]
push eax
push [nTlsIndex]
call [kernel32:TlsGetValue]
pop ecx
push eax
push ecx
call [kernel32:SetLastError]
pop eax
test eax,eax
jnz >LN110GTV
push SIZEOF NTLEA_TLS_DATA
pop eax
call AllocateZeroedMemory
push esi
push edi
push eax
mov esi,eax
push [nTlsIndex]
call [kernel32:TlsSetValue]
sub esp,SIZEOF WNDCLASS
xor edi,edi
L111:
push esp
push [edi * 4 + SystemClassNameA]
push 0
call [user32:GetClassInfoA]
mov eax,[esp + WNDCLASS.lpfnWndProc]
mov [esi + edi * 8 + NTLEA_TLS_DATA.SystemClassDesc],eax
push esp
push [edi * 4 + SystemClassNameW]
push 0
call [user32:GetClassInfoW]
mov eax,[esp + WNDCLASS.lpfnWndProc]
mov [esi + edi * 8 + NTLEA_TLS_DATA.SystemClassDesc + 4],eax
inc edi
cmp edi,14
jne <L111
push 0
call [kernel32:SetLastError]
mov eax,esi
add esp,SIZEOF WNDCLASS
pop edi
pop esi
LN110GTV:
L110:
retn
ALIGN 4
CbtHookProcA:
call GetTlsValueInternal
mov ecx,[eax + NTLEA_TLS_DATA.hWindowCbtHookAnsi]
jmp >C300
CbtHookProcW:
call GetTlsValueInternal
mov ecx,[eax + NTLEA_TLS_DATA.hWindowCbtHookUnicode]
C300:
mov [eax + NTLEA_TLS_DATA.hWindowCbtHookNext],ecx
CbtHookProc FRAME nCode, wParameter, lParameter
LOCAL ClassNameBuffer[MAX_PATH] : B
USES esi,edi,ebx
mov esi,eax
cmp D[nCode],HCBT_CREATEWND
jne >L100
cmp D[esi + NTLEA_TLS_DATA.CurrentCallType],CT_CREATE_WINDOW
mov edi,[wParameter]
je >L102
push edi
call [user32:IsWindowUnicode]
test eax,eax
jnz >L100
L102:
mov ebx,esp ; lea ebx,[ClassNameBuffer]
push MAX_PATH
push ebx
push edi
call [user32:GetClassNameA]
push ADDR szNewDlgClass
push ebx
call [kernel32:lstrcmpiA]
test eax,eax
jz >L100
call HookWindowProc
L100:
push [lParameter]
push edi
push [nCode]
push [esi + NTLEA_TLS_DATA.hWindowCbtHookNext]
call [user32:CallNextHookEx]
ret
ENDF
CreateGlobalAtom:
mov ebx,ADDR szNtleaWndAscData
mov cl,1
L531:
xor eax,eax
lock cmpxchg [bInternalLockCreateAtom],cl
dec eax
jz <L531
cmp B[bNtleaAtomInvoked],0
jne >L534
push ebx
call [kernel32:GlobalFindAtomA]
test ax,ax
jnz >L535
push ebx
call [kernel32:GlobalAddAtomA]
L535:
inc B[bNtleaAtomInvoked]
push ADDR szNtleaDlgAscData
call [kernel32:GlobalFindAtomA]
test ax,ax
jnz >L534
push ADDR szNtleaDlgAscData
call [kernel32:GlobalAddAtomA]
L534:
lock dec B[bInternalLockCreateAtom]
retn
HookWindowProc:
call CreateGlobalAtom
push ebx
push edi
call [user32:GetPropA]
test eax,eax
jnz >L530
add eax,SIZEOF NTLEA_WND_ASC_DATA
call AllocateZeroedMemory
push ebp
inc D[esi + NTLEA_TLS_DATA.InternalCall]
mov ebp,eax
push ebp
push ebx
push edi
call [user32:SetPropA]
test eax,eax
jz >L532
push GWL_WNDPROC
push edi
call [user32:GetWindowLongA]
test eax,eax
mov [ebp + NTLEA_WND_ASC_DATA.PrevAnsiWindowProc],eax
jz >L532
push ADDR TopLevelWindowProc
push GWL_WNDPROC
push edi
call [user32:SetWindowLongW]
mov [ebp + NTLEA_WND_ASC_DATA.PrevUnicodeWindowProc],eax
jmp >L533
L532:
mov ecx,ebp
call FreeStringInternal
L533:
pop ebp
L530:
retn
ALIGN 4
TopLevelDialogProc:
call GetTlsValueInternal
cmp D[eax + NTLEA_TLS_DATA.DialogProc],0
je >T1
push ebx
push eax
call CreateGlobalAtom
push ebx
push [hWnd + 12]
call [user32:GetPropA]
test eax,eax
jz >T3
pop ecx
pop ebx
jmp >T1
T3:
add eax,SIZEOF NTLEA_WND_ASC_DATA
call AllocateZeroedMemory
push eax
push eax
push ebx
push [hWnd + 20]
call [user32:SetPropA]
pop eax
T2:
pop edx
pop ebx
mov ecx,[edx + NTLEA_TLS_DATA.DialogProc]
mov [eax + NTLEA_WND_ASC_DATA.PrevAnsiWindowProc],ecx
and D[edx + NTLEA_TLS_DATA.DialogProc],0
T1:
TopLevelWindowProc FRAME hWindow, Message, wParameter, lParameter
USES esi,edi,ebx
LOCAL PrevWndProc
LOCAL lpAnsiWindowName
LOCAL lpAnsiClassName
LOCAL CharBuffer
LOCAL ClassNameBuffer[MAX_PATH] : B
#ifdef DBG
int 3
#endif
#ifdef TRAP
call TrapFunc
#endif
push ADDR szNtleaWndAscData
push [hWindow]
call [user32:GetPropA]
mov eax,[eax + NTLEA_WND_ASC_DATA.PrevAnsiWindowProc]
xor ebx,ebx
mov [PrevWndProc],eax
call GetTlsValueInternal
mov esi,[Message]
inc D[eax + NTLEA_TLS_DATA.InternalCall]
cmp esi,WM_MDICREATE
mov [lpAnsiWindowName],ebx
mov [lpAnsiClassName],ebx
mov [CharBuffer],ebx
je >LN106
cmp esi,CB_GETLBTEXT
je >LN129
cmp esi,WM_GETTEXTLENGTH
je >LN127
cmp esi,LB_GETTEXTLEN
je >LN131
cmp esi,EM_GETLINE
je >LN124
cmp esi,LB_GETTEXT
je >LN110
cmp esi,WM_NOTIFYFORMAT
je >LN121
cmp esi,EM_REPLACESEL
je >LN113
cmp esi,WM_SETTEXT
je >LN113
cmp esi,WM_SETTINGCHANGE
je >LN113
cmp esi,WM_DEVMODECHANGE
je >LN113
cmp esi,WM_GETTEXT
je >LN114
cmp esi,WM_UNKNOWN
JE >LN114
cmp esi,WM_IME_CHAR
je >LN109
cmp esi,WM_CHAR
je >LN109
cmp esi,CB_FINDSTRINGEXACT
je >LN105
cmp esi,CB_ADDSTRING
je >LN105
cmp esi,CB_INSERTSTRING
je >LN105
cmp esi,CB_SELECTSTRING
je >LN105
cmp esi,CB_DIR
je >LN105
cmp esi,CB_FINDSTRING
je >LN105
cmp esi,LB_FINDSTRINGEXACT
je >LN104
cmp esi,LB_ADDSTRING
je >LN104
cmp esi,WM_CREATE
je >L103
cmp esi,LB_INSERTSTRING
je >L104
cmp esi,LB_SELECTSTRING
je >L104
cmp esi,LB_DIR
je >L104
cmp esi,LB_FINDSTRING
je >L104
cmp esi,LB_ADDFILE
je >L104
cmp esi,WM_NCCREATE
jne >LN100
L103:
mov esi,[lParameter]
push SIZEOF CREATEWNDEX
pop ecx
call AllocateHeapInternal
mov edi,eax
push SIZEOF CREATEWNDEX / 4
pop ecx
mov ebx,eax
rep movsd
cmp [ebx + CREATEWNDEX.lpWindowName],ecx
je >L101
push [ebx + CREATEWNDEX.lpWindowName]
call WideCharToMultiByteInternal
mov [ebx + CREATEWNDEX.lpWindowName],eax
mov [lpAnsiWindowName],eax
L101:
test D[ebx + CREATEWNDEX.lpClassName],0xFFFF0000
jz >L102
push [ebx + CREATEWNDEX.lpClassName]
call WideCharToMultiByteInternal
mov [ebx + CREATEWNDEX.lpClassName],eax
L108:
mov [lpAnsiClassName],eax
L102:
push ebx
jmp >LN999