Здравствуйте steetsl, Вы писали:

S>Привет всем!!
S>В файле есть ссылка atlframe.h на LPNMREBARCHEVRON, но нет описания структуры.
S>Подскажите где взять?!

Вот все из MSDN (коли лень смотреть):

NMREBARCHEVRON


Contains information used in handling the RBN_CHEVRONPUSHED notification message. 

typedef struct tagNMREBARCHEVRON{
    NMHDR hdr;
    UINT uBand;
    UINT wID;
    LPARAM lParam;
    RECT rc;
    LPARAM lParamNM;
} NMREBARCHEVRON, *LPNMREBARCHEVRON;


Members
hdr 
NMHDR structure that contains additional information about the notification message. 
uBand 
Index of the band sending the notification. 
wID 
Application-defined identifier for the band. 
lParam 
Application-defined value associated with the band. 
rc 
RECT structure that defines the area covered by the chevron. 
lParamNM 
An application-defined value. If the RBN_CHEVRONPUSHED notification was sent as a result of an RB_PUSHCHEVRON message, this member will contain the message's lAppValue value. Otherwise, it will be set to zero. 
Requirements 
  Version 5.80 and later of Comctl32.dll

  Windows NT/2000: Requires Windows 2000 
  Windows 95/98/Me: Requires Windows 98 (or Windows 95 with Internet Explorer 5.0 or later). 
  Header: Declared in commctrl.h.