typedef struct tagMSGBOXPARAMSW
{
    UINT        cbSize;
    HWND        hwndOwner;
    HINSTANCE   hInstance;
    LPCWSTR     lpszText;
    LPCWSTR     lpszCaption;
    DWORD       dwStyle;
    LPCWSTR     lpszIcon;
    DWORD_PTR   dwContextHelpId;
    MSGBOXCALLBACK      lpfnMsgBoxCallback;
    DWORD       dwLanguageId;
} MSGBOXPARAMSW, *PMSGBOXPARAMSW, *LPMSGBOXPARAMSW;

typedef LPMSGBOXPARAMSW LPMSGBOXPARAMS;