typedef struct tagMONMSGSTRUCT {
    UINT    cb;
    HWND    hwndTo;
    DWORD   dwTime;
    HANDLE  hTask;
    UINT    wMsg;
    WPARAM  wParam;
    LPARAM  lParam;
    DDEML_MSG_HOOK_DATA dmhd;       
} MONMSGSTRUCT, *PMONMSGSTRUCT;