typedef struct _NOTIFYICONDATAA {
        DWORD cbSize;
        HWND hWnd;
        UINT uID;
        UINT uFlags;
        UINT uCallbackMessage;
        HICON hIcon;
#if (_WIN32_IE < 0x0500)
        CHAR   szTip[64];
#else
        CHAR   szTip[128];
#endif
#if (_WIN32_IE >= 0x0500)
        DWORD dwState;
        DWORD dwStateMask;
        CHAR   szInfo[256];
        union {
            UINT  uTimeout;
            UINT  uVersion;
        } DUMMYUNIONNAME;
        CHAR   szInfoTitle[64];
        DWORD dwInfoFlags;
#endif
#if (_WIN32_IE >= 0x600)
        GUID guidItem;
#endif
} NOTIFYICONDATAA, *PNOTIFYICONDATAA;

typedef PNOTIFYICONDATAA PNOTIFYICONDATA;