typedef struct tagNMCUSTOMDRAWINFO
{
    NMHDR hdr;
    DWORD dwDrawStage;
    HDC hdc;
    RECT rc;
    DWORD_PTR dwItemSpec;  
    UINT  uItemState;
    LPARAM lItemlParam;
} NMCUSTOMDRAW, *LPNMCUSTOMDRAW;