Method createWindow

choc/gui/choc_DesktopWindow.h:706–716

    }

    HWNDHolder createWindow (DWORD style, int w, int h, void* userData)
    {
        if (auto hwnd = CreateWindowW (classAtom, L"", style, CW_USEDEFAULT, CW_USEDEFAULT,
                                       w, h, nullptr, nullptr, moduleHandle, nullptr))
        {
            SetWindowLongPtr (hwnd, GWLP_USERDATA, (LONG_PTR) userData);
            return hwnd;
        }

        return {};
    }

    auto getClassName() const    { return classAtom; }