HWND WINAPI CreateWindowExW(_In_ DWORD dwExStyle, _In_opt_ LPCWSTR lpClassName, _In_opt_ LPCWSTR lpWindowName, _In_ DWORD dwStyle, _In_ int X, _In_ int Y, _In_ int nWidth, _In_ int nHeight, _In_opt_ HWND hWndParent, _In_opt_ HMENU hMenu, _In_opt_ HINSTANCE hInstance, _In_opt_ LPVOID lpParam)