RBN_HEIGHTCHANGE notification code
Sent by a rebar control when its height has changed. This notification code is sent in the form of a WM_NOTIFY message.
Pointer to an NMHDR structure that contains additional information about this notification.
The return value for this notification is not used.
Rebar controls that use the CCS_VERT style send this notification code when their width changes.
Minimum supported client
|Windows 2000 Professional [desktop apps only]|
Minimum supported server
|Windows 2000 Server [desktop apps only]|