typedef struct tagMDICREATESTRUCTA {
    LPCSTR   szClass;
    LPCSTR   szTitle;
    HANDLE hOwner;
    int x;
    int y;
    int cx;
    int cy;
    DWORD style;
    LPARAM lParam;        
} MDICREATESTRUCTA, *LPMDICREATESTRUCTA;

typedef LPMDICREATESTRUCTA LPMDICREATESTRUCT;