typedef struct _DISPLAY_DEVICEW {
    DWORD  cb;
    WCHAR  DeviceName[32];
    WCHAR  DeviceString[128];
    DWORD  StateFlags;
    WCHAR  DeviceID[128];
    WCHAR  DeviceKey[128];
} DISPLAY_DEVICEW, *PDISPLAY_DEVICEW, *LPDISPLAY_DEVICEW;

typedef LPDISPLAY_DEVICEW LPDISPLAY_DEVICE;