GetThreadUILanguage and SetThreadUILanguage

.gitignore

@@ -34,3 +34,4 @@ vista2xp-*
 Testing
 .ninja*
 *.ninja
+RosBE-Logs

dlls/v2xker32/v2xker32.c

@@ -73,6 +73,12 @@ static FN_SleepConditionVariableSRW s_pSleepConditionVariableSRW;
 static FN_WakeConditionVariable s_pWakeConditionVariable;
 static FN_WakeAllConditionVariable s_pWakeAllConditionVariable;
 
+typedef LANGID (WINAPI *FN_GetThreadUILanguage)(VOID);
+typedef LANGID (WINAPI *FN_SetThreadUILanguage)(LANGID);
+
+static FN_GetThreadUILanguage s_pGetThreadUILanguage;
+static FN_SetThreadUILanguage s_pSetThreadUILanguage;
+
 BOOL WINAPI
 IsWow64ProcessForXP(HANDLE hProcess, PBOOL Wow64Process)
 {
@@ -81,6 +87,31 @@ IsWow64ProcessForXP(HANDLE hProcess, PBOOL Wow64Process)
     return FALSE;
 }
 
+BOOL IsWindowsVistaOrLater(VOID)
+{
+    OSVERSIONINFOW osver = { sizeof(osver) };
+    return (GetVersionExW(&osver) && osver.dwMajorVersion >= 6);
+}
+
+LANGID GetThreadUILanguageForXP()
+{
+    if (IsWindowsVistaOrLater() && s_pGetThreadUILanguage)
+        return (*s_pGetThreadUILanguage)();
+
+    return LANGIDFROMLCID(GetThreadLocale());
+}
+
+LANGID SetThreadUILanguageForXP(LANGID LangID)
+{
+    if (IsWindowsVistaOrLater() && s_pSetThreadUILanguage)
+        return (*s_pSetThreadUILanguage)(LangID);
+
+    if (SetThreadLocale(MAKELCID(LangID, SORT_DEFAULT)))
+        return LangID;
+
+    return 0;
+}
+
 ULONGLONG WINAPI GetTickCount64ForXP(void)
 {
     LARGE_INTEGER count;
@@ -527,6 +558,8 @@ DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
         s_pSleepConditionVariableSRW = (FN_SleepConditionVariableSRW)GetProcAddress(s_hKernel32, "SleepConditionVariableSRW");
         s_pWakeConditionVariable = (FN_WakeConditionVariable)GetProcAddress(s_hKernel32, "WakeConditionVariable");
         s_pWakeAllConditionVariable = (FN_WakeAllConditionVariable)GetProcAddress(s_hKernel32, "WakeAllConditionVariable");
+        s_pGetThreadUILanguage = (FN_GetThreadUILanguage)GetProcAddress(s_hKernel32, "GetThreadUILanguage");
+        s_pSetThreadUILanguage = (FN_SetThreadUILanguage)GetProcAddress(s_hKernel32, "SetThreadUILanguage");
         break;
     case DLL_PROCESS_DETACH:
         break;

dlls/v2xker32/v2xker32.def

@@ -24,6 +24,8 @@ EXPORTS
     SleepConditionVariableSRW = SleepConditionVariableSRWForXP
     WakeConditionVariable = WakeConditionVariableForXP
     WakeAllConditionVariable = WakeAllConditionVariableForXP
+    GetThreadUILanguage = GetThreadUILanguageForXP
+    SetThreadUILanguage = SetThreadUILanguageForXP
 
     ; kernel32 --> advapi32
     CreateProcessAsUserA = advapi32.CreateProcessAsUserA

supported.txt

@@ -111,6 +111,8 @@ kernel32.SleepConditionVariableCS
 kernel32.SleepConditionVariableSRW
 kernel32.WakeConditionVariable
 kernel32.WakeAllConditionVariable
+kernel32.GetThreadUILanguage
+kernel32.SetThreadUILanguage
 comctl32.TaskDialog
 comctl32.TaskDialogIndirect
 user32.ChangeWindowMessageFilter

vista2xp/JustDoIt.cpp

@@ -56,7 +56,9 @@ bool do_kernel32(codereverse::ExeImage& image, size_t i, char *name)
                 lstrcmpA(symbol.pszName, "SleepConditionVariableCS") == 0 ||
                 lstrcmpA(symbol.pszName, "SleepConditionVariableSRW") == 0 ||
                 lstrcmpA(symbol.pszName, "WakeConditionVariable") == 0 ||
-                lstrcmpA(symbol.pszName, "WakeAllConditionVariable") == 0)
+                lstrcmpA(symbol.pszName, "WakeAllConditionVariable") == 0 ||
+                lstrcmpA(symbol.pszName, "GetThreadUILanguage") == 0 ||
+                lstrcmpA(symbol.pszName, "SetThreadUILanguage") == 0)
             {
                 if (lstrcmpiA(name, "kernel32") == 0)
                     StringCbCopyA(const_cast<char *>(name), sizeof("v2xker32"), "v2xker32");