static BOOL InitListViewImageLists(HWND hwndLV)
{
    HIMAGELIST himl;  /* handle to image list  */
    HICON hico;       /* handle to icon  */

    /* Create the image list.  */
    if ((himl = ImageList_Create(CX_ICON, CY_ICON,
                                 ILC_MASK, 0, NUM_ICONS)) == NULL)
    {
        return FALSE;
    }

    hico = LoadIconW(hInst, MAKEINTRESOURCEW(IDI_BIN));
    Image_Bin = ImageList_AddIcon(himl, hico);

    hico = LoadIconW(hInst, MAKEINTRESOURCEW(IDI_STRING));
    Image_String = ImageList_AddIcon(himl, hico);

    /* Fail if not all of the images were added.  */
    if (ImageList_GetImageCount(himl) < NUM_ICONS)
    {
        return FALSE;
    }

    /* Associate the image list with the tree view control.  */
    (void)ListView_SetImageList(hwndLV, himl, LVSIL_SMALL);

    return TRUE;
}

/*
 * InitTreeViewImageLists - creates an image list, adds three bitmaps
 * to it, and associates the image list with a tree view control.
 * Returns TRUE if successful, or FALSE otherwise.
 * hwndTV - handle to the tree view control.
 */
static BOOL InitTreeViewImageLists(HWND hwndTV)
{
    HIMAGELIST himl;  /* handle to image list  */
    HICON hico;       /* handle to icon  */

    /* Create the image list.  */
    if ((himl = ImageList_Create(CX_ICON, CY_ICON,
                                 ILC_MASK, 0, NUM_ICONS)) == NULL)
        return FALSE;

    /* Add the open file, closed file, and document bitmaps.  */
    hico = LoadIconW(hInst, MAKEINTRESOURCEW(IDI_OPEN_FILE));
    Image_Open = ImageList_AddIcon(himl, hico);

    hico = LoadIconW(hInst, MAKEINTRESOURCEW(IDI_CLOSED_FILE));
    Image_Closed = ImageList_AddIcon(himl, hico);

    hico = LoadIconW(hInst, MAKEINTRESOURCEW(IDI_ROOT));
    Image_Root = ImageList_AddIcon(himl, hico);

    /* Fail if not all of the images were added.  */
    if (ImageList_GetImageCount(himl) < NUM_ICONS)
    {
      return FALSE;
    }

    /* Associate the image list with the tree view control.  */
    SendMessageW(hwndTV, TVM_SETIMAGELIST, TVSIL_NORMAL, (LPARAM)himl);

    return TRUE;
}

// Registers the GLFW window class
//
GLboolean _glfwRegisterWindowClass(void)
{
    WNDCLASSW wc;

    wc.style         = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
    wc.lpfnWndProc   = (WNDPROC) windowProc;
    wc.cbClsExtra    = 0;                           // No extra class data
    wc.cbWndExtra    = sizeof(void*) + sizeof(int); // Make room for one pointer
    wc.hInstance     = GetModuleHandleW(NULL);
    wc.hCursor       = LoadCursorW(NULL, IDC_ARROW);
    wc.hbrBackground = NULL;                        // No background
    wc.lpszMenuName  = NULL;                        // No menu
    wc.lpszClassName = _GLFW_WNDCLASSNAME;

    // Load user-provided icon if available
    wc.hIcon = LoadIconW(GetModuleHandleW(NULL), L"GLFW_ICON");
    if (!wc.hIcon)
    {
        // No user-provided icon found, load default icon
        wc.hIcon = LoadIconW(NULL, IDI_WINLOGO);
    }

    if (!RegisterClassW(&wc))
    {
        _glfwInputError(GLFW_PLATFORM_ERROR,
                        "Win32: Failed to register window class");
        return GL_FALSE;
    }

    return GL_TRUE;
}

/*--------------------------------------
 * Function: registerWindowClass()
 *------------------------------------*/
static void registerWindowClass(void) {
    WNDCLASSEXW wcx = { 0 };

    wchar_t* class_name = wstrdup(ClassName);

    wcx.cbSize        = sizeof(WNDCLASSEXW);
    wcx.style         = CS_HREDRAW | CS_VREDRAW;
    wcx.lpfnWndProc   = WindowProc;
    wcx.cbClsExtra    = 0;
    wcx.cbWndExtra    = 0;
    wcx.hInstance     = GetModuleHandleW(NULL);
    wcx.hIcon         = LoadIconW(NULL, IDI_APPLICATION);
    wcx.hCursor       = LoadCursorW(NULL, IDC_ARROW);
    wcx.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
    wcx.lpszMenuName  = NULL;
    wcx.lpszClassName = class_name;
    wcx.hIconSm       = NULL;

    if (!RegisterClassExW(&wcx)) {
        free(class_name);
        error("could not register window class");
    }

    free(class_name);
}

int main(int argc, char *argv[])
{
	WNDCLASSW wc;
	MSG msg;

	ZeroMemory(&wc, sizeof (WNDCLASSW));
	wc.lpszClassName = L"mainwin";
	wc.lpfnWndProc = wndProc;
	wc.hInstance = GetModuleHandle(NULL);
	wc.hIcon = LoadIconW(NULL, IDI_APPLICATION);
	wc.hCursor = LoadCursorW(NULL, IDC_ARROW);
	wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
	RegisterClassW(&wc);

	mainwin = CreateWindowExW(0,
		L"mainwin", L"mainwin",
		WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, CW_USEDEFAULT,
		400, 400,
		NULL, NULL, GetModuleHandle(NULL), NULL);

	if (argc > 1)
		dialog = CreateWindowExW(WS_EX_CONTROLPARENT,
			WC_DIALOG, L"",
			WS_CHILD | WS_VISIBLE,
			100, 100, 200, 200,
			mainwin, NULL, GetModuleHandle(NULL), NULL);
	else {
		const BYTE dlgtemplate[] = {
			0x01, 0x00,				// version
			0xFF, 0xFF,				// signature
			0x00, 0x00, 0x00, 0x00,		// help
			0x00, 0x00, 0x01, 0x00,		// WS_EX_CONTROLPARENT
			0x00, 0x00, 0x00, 0x50,		// WS_CHILD | WS_VISIBLE
			0x00, 0x00,				// no controls
			100, 0,					// X/Y/Width/Height
			100, 0,
			100, 0,
			100, 0,
			0x00, 0x00,				// menu
			0x00, 0x00,				// class
			0x00, 0x00,				// title
			0x00, 0x00, 0x00, 0x00,		// some padding
			0x00, 0x00, 0x00, 0x00,		// more padding
			0x00, 0x00, 0x00, 0x00,		// just to be safe
		};

		dialog = CreateDialogIndirectW(GetModuleHandle(NULL), (LPCDLGTEMPLATEW) dlgtemplate, mainwin, dlgproc);
	}
	printf("%I32X\n", EnableThemeDialogTexture(dialog, ETDT_ENABLE | ETDT_USETABTEXTURE | ETDT_ENABLETAB));

	ShowWindow(mainwin, SW_SHOWDEFAULT);
	UpdateWindow(mainwin);

	while (GetMessageW(&msg, NULL, 0, 0) > 0) {
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return 0;
}

static BOOL WINAPI register_classes( INIT_ONCE *once, void *param, void **context )
{
    WNDCLASSW wndClass;

    ZeroMemory(&wndClass, sizeof(WNDCLASSW));
    wndClass.style = CS_GLOBALCLASS | CS_IME | CS_HREDRAW | CS_VREDRAW;
    wndClass.lpfnWndProc = IME_WindowProc;
    wndClass.cbClsExtra = 0;
    wndClass.cbWndExtra = 2 * sizeof(LONG_PTR);
    wndClass.hInstance = x11drv_module;
    wndClass.hCursor = LoadCursorW(NULL, (LPWSTR)IDC_ARROW);
    wndClass.hIcon = LoadIconW(NULL, (LPWSTR)IDI_APPLICATION);
    wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW +1);
    wndClass.lpszMenuName   = 0;
    wndClass.lpszClassName = UI_CLASS_NAME;

    RegisterClassW(&wndClass);

    WM_MSIME_SERVICE = RegisterWindowMessageA("MSIMEService");
    WM_MSIME_RECONVERTOPTIONS = RegisterWindowMessageA("MSIMEReconvertOptions");
    WM_MSIME_MOUSE = RegisterWindowMessageA("MSIMEMouseOperation");
    WM_MSIME_RECONVERTREQUEST = RegisterWindowMessageA("MSIMEReconvertRequest");
    WM_MSIME_RECONVERT = RegisterWindowMessageA("MSIMEReconvert");
    WM_MSIME_QUERYPOSITION = RegisterWindowMessageA("MSIMEQueryPosition");
    WM_MSIME_DOCUMENTFEED = RegisterWindowMessageA("MSIMEDocumentFeed");
    return TRUE;
}

		void Window::Register()
		try {
			HINSTANCE instanceHandle = GetModuleHandleW(nullptr);
			WNDCLASSEXW windowClass;
			ZeroMemory(&windowClass, sizeof(windowClass));

			windowClass.cbSize = sizeof(WNDCLASSEXW);
			windowClass.style = CS_OWNDC;
			windowClass.lpfnWndProc = WindowHandleMessage;
			windowClass.hInstance = instanceHandle;
			windowClass.hIcon = LoadIconW(instanceHandle, MAKEINTRESOURCEW(IDI_ICON1));
			windowClass.hCursor = LoadCursorW(nullptr, MAKEINTRESOURCEW(IDI_APPLICATION));
			windowClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
			windowClass.lpszMenuName = nullptr;
			windowClass.lpszClassName = CLASS_NAME;

			if (!RegisterClassExW(&windowClass)) {
				throw std::runtime_error("Registration of Window failed");
			}

			wasRegistered = true;
		} catch (std::runtime_error error) {
			MessageBoxA(0, error.what(), "Error!", MB_ICONEXCLAMATION | MB_OK);
			PostQuitMessage(-1);
		}

/* First Applet */
static LONG CALLBACK
SystemApplet(VOID)
{
    PROPSHEETPAGEW page[2];
    PROPSHEETHEADERW header;
    WCHAR szCaption[MAX_STR_LEN];

    LoadStringW(hApplet, IDS_CPLSYSTEMNAME, szCaption, ARRAYSIZE(szCaption));

    ZeroMemory(&header, sizeof(header));

    header.dwSize      = sizeof(header);
    header.dwFlags     = PSH_PROPSHEETPAGE;
    header.hwndParent  = hCPLWindow;
    header.hInstance   = hApplet;
    header.hIcon       = LoadIconW(hApplet, MAKEINTRESOURCEW(IDI_CPLSYSTEM));
    header.pszCaption  = szCaption;
    header.nPages      = ARRAYSIZE(page);
    header.nStartPage  = 0;
    header.ppsp        = page;
    header.pfnCallback = NULL;

    /* Settings */
    InitPropSheetPage(&page[0], IDD_PROPPAGESETTINGS, SettingsPageProc);

    /* Advanced Settings */
    InitPropSheetPage(&page[1], IDD_PROPPAGEADVANCEDSETTINGS, AdvancedSettingsPageProc);

    return (LONG)(PropertySheetW(&header) != -1);
}

/*************************************************************************
 *				ExtractAssociatedIconW ([email protected])
 *
 * Return icon for given file (either from file itself or from associated
 * executable) and patch parameters if needed.
 */
HICON WINAPI ExtractAssociatedIconW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIcon)
{
    HICON hIcon = NULL;
    WORD wDummyIcon = 0;

    TRACE("%p %s %p\n", hInst, debugstr_w(lpIconPath), lpiIcon);

    if(lpiIcon == NULL)
        lpiIcon = &wDummyIcon;

    hIcon = ExtractIconW(hInst, lpIconPath, *lpiIcon);

    if( hIcon < (HICON)2 )
    { if( hIcon == (HICON)1 ) /* no icons found in given file */
      { WCHAR tempPath[MAX_PATH];
        HINSTANCE uRet = FindExecutableW(lpIconPath,NULL,tempPath);

        if( uRet > (HINSTANCE)32 && tempPath[0] )
        { lstrcpyW(lpIconPath,tempPath);
          hIcon = ExtractIconW(hInst, lpIconPath, *lpiIcon);
          if( hIcon > (HICON)2 )
            return hIcon;
        }
      }

      if( hIcon == (HICON)1 )
        *lpiIcon = 2;   /* MSDOS icon - we found .exe but no icons in it */
      else
        *lpiIcon = 6;   /* generic icon - found nothing */

      if (GetModuleFileNameW(hInst, lpIconPath, MAX_PATH))
        hIcon = LoadIconW(hInst, MAKEINTRESOURCEW(*lpiIcon));
    }
    return hIcon;
}

/*************************************************************************
 * ShellAboutW                [SHELL32.289]
 */
BOOL WINAPI ShellAboutW( HWND hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
                         HICON hIcon )
{
    ABOUT_INFO info;
    HRSRC hRes;
    DLGTEMPLATE *DlgTemplate;
    BOOL bRet;

    TRACE("\n");

    // DialogBoxIndirectParamW will be called with the hInstance of the calling application, so we have to preload the dialog template
    hRes = FindResourceW(shell32_hInstance, MAKEINTRESOURCEW(IDD_ABOUT), (LPWSTR)RT_DIALOG);
    if(!hRes)
        return FALSE;

    DlgTemplate = (DLGTEMPLATE *)LoadResource(shell32_hInstance, hRes);
    if(!DlgTemplate)
        return FALSE;

    info.szApp        = szApp;
    info.szOtherStuff = szOtherStuff;
    info.hIcon        = hIcon ? hIcon : LoadIconW( 0, (LPWSTR)IDI_WINLOGO );

    bRet = DialogBoxIndirectParamW((HINSTANCE)GetWindowLongPtrW( hWnd, GWLP_HINSTANCE ),
                                   DlgTemplate, hWnd, AboutDlgProc, (LPARAM)&info );
    return bRet;
}

BOOL CALLBACK EnumPickIconResourceProc(HMODULE hModule,
    LPCWSTR lpszType,
    LPWSTR lpszName,
    LONG_PTR lParam
)
{
    WCHAR szName[100];
    int index;
    HICON  hIcon;
    PPICK_ICON_CONTEXT pIconContext = (PPICK_ICON_CONTEXT)lParam;

    if (IS_INTRESOURCE(lpszName))
        swprintf(szName, L"%u", lpszName);
    else
        wcscpy(szName, (WCHAR*)lpszName);


    hIcon = LoadIconW(pIconContext->hLibrary, (LPCWSTR)lpszName);
    if (hIcon == NULL)
        return TRUE;

    index = SendMessageW(pIconContext->hDlgCtrl, LB_ADDSTRING, 0, (LPARAM)szName);
    if (index != LB_ERR)
        SendMessageW(pIconContext->hDlgCtrl, LB_SETITEMDATA, index, (LPARAM)hIcon);

    return TRUE;
}

BOOL
CMainWindow::AddTrayIcon(void)
{
    NOTIFYICONDATAW nid;
    HICON hIcon = NULL;
    WCHAR szTip[128];
    BOOL bRetVal;

    ZeroMemory(&nid, sizeof(NOTIFYICONDATAW));

    hIcon = LoadIconW(g_hInstance, MAKEINTRESOURCEW(IDI_DISPLAYSLEEP));

    nid.cbSize = sizeof(NOTIFYICONDATAW);
    nid.hWnd = m_hMainWnd;
    nid.uID = 0;
    nid.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
    nid.uCallbackMessage = WM_ONTRAYICON;
    nid.hIcon = hIcon;

    LoadStringW(g_hInstance, IDS_TRAYTIP, szTip, 64);
    wcscpy_s(nid.szTip, 128, szTip);

    bRetVal = Shell_NotifyIconW(NIM_ADD, &nid);

    if (hIcon)
        DestroyIcon(hIcon);

    return bRetVal;
}

/*
*  Message Action Function
*/
LRESULT MainWindow::OnCreate(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandle)
{
	auto hr = Initialize();
	if (hr != S_OK) {
		::MessageBoxW(nullptr, L"Initialize() failed", L"Fatal error", MB_OK | MB_ICONSTOP);
		std::terminate();
		return S_FALSE;
	}
	HICON hIcon = LoadIconW(GetModuleHandleW(nullptr), MAKEINTRESOURCEW(IDI_CLANGBUILDERUI));
	SetIcon(hIcon, TRUE);
	HFONT hFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
	LOGFONTW logFont = { 0 };
	GetObjectW(hFont, sizeof(logFont), &logFont);
	DeleteObject(hFont);
	hFont = NULL;
	logFont.lfHeight = 19;
	logFont.lfWeight = FW_NORMAL;
	wcscpy_s(logFont.lfFaceName, L"Segoe UI");
	hFont = CreateFontIndirectW(&logFont);
	auto LambdaCreateWindow = [&](LPCWSTR lpClassName, LPCWSTR lpWindowName, DWORD dwStyle,
								  int X, int Y, int nWidth, int nHeight, HMENU hMenu)->HWND{
		auto hw = CreateWindowExW(WINDOWEXSTYLE, lpClassName, lpWindowName,
								  dwStyle, X, Y, nWidth, nHeight, m_hWnd, hMenu, HINST_THISCOMPONENT, nullptr);
		if (hw) {
			::SendMessageW(hw, WM_SETFONT, (WPARAM)hFont, lParam);
		}
		return hw;
	};
	hCobVS_ = LambdaCreateWindow(WC_COMBOBOXW, L"", COMBOBOXSTYLE, 200, 20, 400, 30, nullptr);
	hCobArch_ = LambdaCreateWindow(WC_COMBOBOXW, L"", COMBOBOXSTYLE, 200, 60, 400, 30, nullptr);
	hCobFlavor_ = LambdaCreateWindow(WC_COMBOBOXW, L"", COMBOBOXSTYLE, 200, 100, 400, 30, nullptr);
	hCheckBoostrap_ = LambdaCreateWindow(WC_BUTTONW, L"Clang Boostrap", CHECKBOXSTYLE, 200, 160, 360, 27, nullptr);
	hCheckReleased_ = LambdaCreateWindow(WC_BUTTONW, L"Released Revision", CHECKBOXSTYLE, 200, 190, 360, 27, nullptr);
	hCheckPackaged_ = LambdaCreateWindow(WC_BUTTONW, L"Make installation package", CHECKBOXSTYLE, 200, 220, 360, 27, nullptr);
	hCheckCleanEnv_ = LambdaCreateWindow(WC_BUTTONW, L"Use Clean Environment", CHECKBOXSTYLE, 200, 250, 360, 27, nullptr);
	hCheckLink_ = LambdaCreateWindow(WC_BUTTONW, L"Link Static Runtime Library", CHECKBOXSTYLE, 200, 280, 360, 27, nullptr);
	hCheckNMake_ = LambdaCreateWindow(WC_BUTTONW, L"Use NMake Makefiles", CHECKBOXSTYLE, 200, 310, 360, 27, nullptr);
	hCheckLLDB_ = LambdaCreateWindow(WC_BUTTONW, L"Build LLDB (Visual Studio 2015 or Later)", CHECKBOXSTYLE, 200, 340, 360, 27, nullptr);
	//Button_SetElevationRequiredState
	hButtonTask_ = LambdaCreateWindow(WC_BUTTONW, L"Build Now", PUSHBUTTONSTYLE, 200, 395, 195, 30, (HMENU)IDC_BUTTON_STARTTASK);
	hButtonEnv_ = LambdaCreateWindow(WC_BUTTONW, L"Startup Env", PUSHBUTTONSTYLE | BS_ICON, 410, 395, 195, 30, (HMENU)IDC_BUTTON_STARTENV);

	HMENU hSystemMenu = ::GetSystemMenu(m_hWnd, FALSE);
	InsertMenuW(hSystemMenu, SC_CLOSE, MF_ENABLED, IDM_CLANGBUILDER_ABOUT, L"About ClangbuilderUI\tAlt+F1");

	label_.push_back(KryceLabel(30, 20, 190, 50, L"Visual Studio\t\xD83C\xDD9A:"));
	label_.push_back(KryceLabel(30, 60, 190, 90, L"Address Mode\t\xD83D\xDEE0:"));
	label_.push_back(KryceLabel(30, 100, 190, 130, L"Configuration\t\x2699:"));
	label_.push_back(KryceLabel(30, 160, 190, 200, L"Compile Switch\t\xD83D\xDCE6:"));
	///
	if (!InitializeControl()) {

	}
	//DeleteObject(hFont);
	return S_OK;
}

BOOL CALLBACK EnumWindowsProc(HWND hWnd, LPARAM lParam)
{
    HICON   hIcon;
    WCHAR   szText[260];
    BOOL    bLargeIcon;
    BOOL    bHung = FALSE;

    typedef int (FAR __stdcall *IsHungAppWindowProc)(HWND);
    IsHungAppWindowProc IsHungAppWindow;

    /* Skip our window */
    if (hWnd == hMainWnd)
        return TRUE;

    bLargeIcon = (TaskManagerSettings.ViewMode == ID_VIEW_LARGE);

    GetWindowTextW(hWnd, szText, 260); /* Get the window text */

    /* Check and see if this is a top-level app window */
    if ((wcslen(szText) <= 0) ||
        !IsWindowVisible(hWnd) ||
        (GetParent(hWnd) != NULL) ||
        (GetWindow(hWnd, GW_OWNER) != NULL) ||
        (GetWindowLongPtrW(hWnd, GWL_EXSTYLE) & WS_EX_TOOLWINDOW))
    {
        return TRUE; /* Skip this window */
    }

    noApps = FALSE;

    /* Get the icon for this window */
    hIcon = NULL;
    SendMessageTimeoutW(hWnd, WM_GETICON, bLargeIcon ? ICON_BIG : ICON_SMALL, 0, 0, 1000, (PDWORD_PTR)&hIcon);
    if (!hIcon)
    {
        /* We failed, try to retrieve other icons... */
        hIcon = (HICON)(LONG_PTR)GetClassLongPtrW(hWnd, bLargeIcon ? GCL_HICON : GCL_HICONSM);
        if (!hIcon) hIcon = (HICON)(LONG_PTR)GetClassLongPtrW(hWnd, bLargeIcon ? GCL_HICONSM : GCL_HICON);
        if (!hIcon) SendMessageTimeoutW(hWnd, WM_QUERYDRAGICON, 0, 0, 0, 1000, (PDWORD_PTR)&hIcon);
        if (!hIcon) SendMessageTimeoutW(hWnd, WM_GETICON, bLargeIcon ? ICON_SMALL : ICON_BIG, 0, 0, 1000, (PDWORD_PTR)&hIcon);

        /* If we still do not have any icon, load the default one */
        if (!hIcon) hIcon = LoadIconW(hInst, bLargeIcon ? MAKEINTRESOURCEW(IDI_WINDOW) : MAKEINTRESOURCEW(IDI_WINDOWSM));
    }

    bHung = FALSE;

    IsHungAppWindow = (IsHungAppWindowProc)(FARPROC)GetProcAddress(GetModuleHandleW(L"USER32.DLL"), "IsHungAppWindow");

    if (IsHungAppWindow)
        bHung = IsHungAppWindow(hWnd);

    AddOrUpdateHwnd(hWnd, szText, hIcon, bHung);

    return TRUE;
}

static void HH_RegisterChildWndClass(HHInfo *pHHInfo)
{
    WNDCLASSEXW wcex;

    wcex.cbSize         = sizeof(WNDCLASSEXW);
    wcex.style          = 0;
    wcex.lpfnWndProc    = Child_WndProc;
    wcex.cbClsExtra     = 0;
    wcex.cbWndExtra     = 0;
    wcex.hInstance      = hhctrl_hinstance;
    wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
    wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
    wcex.hbrBackground  = (HBRUSH)(COLOR_BTNFACE + 1);
    wcex.lpszMenuName   = NULL;
    wcex.lpszClassName  = szChildClass;
    wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);

    RegisterClassExW(&wcex);
}

static BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
    WCHAR empty = 0;
    WNDCLASSEXW wndclass = {0};

    /* Frame class */
    wndclass.cbSize = sizeof(WNDCLASSEXW);
    wndclass.style = CS_HREDRAW | CS_VREDRAW;
    wndclass.lpfnWndProc = FrameWndProc;
    wndclass.hInstance = hInstance;
    wndclass.hIcon = LoadIconW(hInstance, MAKEINTRESOURCEW(IDI_REGEDIT));
    wndclass.hCursor = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
    wndclass.lpszClassName = szFrameClass;
    wndclass.hIconSm = LoadImageW(hInstance, MAKEINTRESOURCEW(IDI_REGEDIT), IMAGE_ICON,
                                  GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
    RegisterClassExW(&wndclass);

    /* Child class */
    wndclass.lpfnWndProc = ChildWndProc;
    wndclass.cbWndExtra = sizeof(HANDLE);
    wndclass.lpszClassName = szChildClass;
    RegisterClassExW(&wndclass);

    hMenuFrame = LoadMenuW(hInstance, MAKEINTRESOURCEW(IDR_REGEDIT_MENU));
    hPopupMenus = LoadMenuW(hInstance, MAKEINTRESOURCEW(IDR_POPUP_MENUS));

    /* Initialize the Windows Common Controls DLL */
    InitCommonControls();

    /* register our hex editor control */
    HexEdit_Register();

    nClipboardFormat = RegisterClipboardFormatW(strClipboardFormat);

    hFrameWnd = CreateWindowExW(0, szFrameClass, szTitle,
                                WS_OVERLAPPEDWINDOW | WS_EX_CLIENTEDGE,
                                CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
                                NULL, hMenuFrame, hInstance, NULL/*lpParam*/);

    if (!hFrameWnd) {
        return FALSE;
    }

    /* Create the status bar */
    hStatusBar = CreateStatusWindowW(WS_VISIBLE|WS_CHILD|WS_CLIPSIBLINGS|SBT_NOBORDERS,
                                     &empty, hFrameWnd, STATUS_WINDOW);
    if (hStatusBar) {
        /* Create the status bar panes */
        SetupStatusBar(hFrameWnd, FALSE);
        CheckMenuItem(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND|MF_CHECKED);
    }
    ShowWindow(hFrameWnd, nCmdShow);
    UpdateWindow(hFrameWnd);
    return TRUE;
}

/***********************************************************************
 *		DrawInsert (COMCTL32.15)
 *
 * Draws insert arrow by the side of the ListBox item in the parent window.
 *
 * RETURNS
 *      Nothing.
 */
VOID WINAPI DrawInsert (HWND hwndParent, HWND hwndLB, INT nItem)
{
    RECT rcItem, rcListBox, rcDragIcon;
    HDC hdc;
    DRAGLISTDATA * data;

    TRACE("(%p %p %d)\n", hwndParent, hwndLB, nItem);

    if (!hDragArrow)
        hDragArrow = LoadIconW(COMCTL32_hModule, (LPCWSTR)IDI_DRAGARROW);

    if (LB_ERR == SendMessageW(hwndLB, LB_GETITEMRECT, nItem, (LPARAM)&rcItem))
        return;

    if (!GetWindowRect(hwndLB, &rcListBox))
        return;

    /* convert item rect to parent co-ordinates */
    if (!MapWindowPoints(hwndLB, hwndParent, (LPPOINT)&rcItem, 2))
        return;

    /* convert list box rect to parent co-ordinates */
    if (!MapWindowPoints(HWND_DESKTOP, hwndParent, (LPPOINT)&rcListBox, 2))
        return;

    rcDragIcon.left = rcListBox.left - DRAGICON_HOTSPOT_X;
    rcDragIcon.top = rcItem.top - DRAGICON_HOTSPOT_Y;
    rcDragIcon.right = rcListBox.left;
    rcDragIcon.bottom = rcDragIcon.top + DRAGICON_HEIGHT;

    if (!GetWindowSubclass(hwndLB, DragList_SubclassWindowProc, DRAGLIST_SUBCLASSID, (DWORD_PTR*)&data))
        return;

    if (nItem < 0)
        SetRectEmpty(&rcDragIcon);

    /* prevent flicker by only redrawing when necessary */
    if (!EqualRect(&rcDragIcon, &data->last_drag_icon_rect))
    {
        /* get rid of any previous inserts drawn */
        RedrawWindow(hwndParent, &data->last_drag_icon_rect, NULL,
            RDW_INTERNALPAINT | RDW_ERASE | RDW_INVALIDATE | RDW_UPDATENOW);

        CopyRect(&data->last_drag_icon_rect, &rcDragIcon);

        if (nItem >= 0)
        {
            hdc = GetDC(hwndParent);

            DrawIcon(hdc, rcDragIcon.left, rcDragIcon.top, hDragArrow);

            ReleaseDC(hwndParent, hdc);
        }
    }
}

	ATOM UGameWindow::RegisterWindowClass(HINSTANCE hInstance)
	{
		WNDCLASSEX wcex;

		wcex.cbSize = sizeof(WNDCLASSEX);

		wcex.style = CS_HREDRAW | CS_VREDRAW;
		wcex.lpfnWndProc = WndProc;
		wcex.cbClsExtra = 0;
		wcex.cbWndExtra = 0;
		wcex.hInstance = hInstance;
		wcex.hIcon = LoadIconW(hInstance, MAKEINTRESOURCEW(107));
		wcex.hIconSm = LoadIconW(hInstance, MAKEINTRESOURCEW(107));
		wcex.hCursor = LoadCursorW(nullptr, IDC_ARROW);
		wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
		wcex.lpszClassName = UGameWindow::szWindowClass;
		wcex.lpszMenuName = 0;

		return RegisterClassExW(&wcex);
	}

	ATOM UGameWindow::RegisterWindowClass(HINSTANCE inHInstance, const wchar_t* inWindowClassName)
	{
		WNDCLASSEX wcex;

		wcex.cbSize = sizeof(WNDCLASSEX);

		wcex.style = CS_HREDRAW | CS_VREDRAW;
		wcex.lpfnWndProc = WndProc;
		wcex.cbClsExtra = 0;
		wcex.cbWndExtra = 0;
		wcex.hInstance = inHInstance;
		wcex.hIcon = LoadIconW(nullptr, IDI_APPLICATION);
		wcex.hIconSm = LoadIconW(nullptr, IDI_APPLICATION);
		wcex.hCursor = LoadCursorW(nullptr, IDC_ARROW);
		wcex.hbrBackground = nullptr;
		wcex.lpszClassName = inWindowClassName;
		wcex.lpszMenuName = nullptr;

		return RegisterClassExW(&wcex);
	}

static void hugsprim_LoadIconW_2(HugsStackPtr hugs_root)
{
    HsPtr arg1;
    HsPtr arg2;
    HsPtr res1;
    arg1 = hugs->getPtr();
    arg2 = hugs->getPtr();
    res1 = LoadIconW(arg1, arg2);
    hugs->putPtr(res1);
    hugs->returnIO(hugs_root,1);
}