This macro retrieves a count of the items in a header control. You can use this macro or send the HDM_GETITEMCOUNT message explicitly.
At a Glance
| Header file: | Commctrl.h |
| Windows CE versions: | 1.0 and later |
| Related message: | HDM_GETITEMCOUNT |
Syntax
int Header_GetItemCount( hwndHD );
Parameters
hwndHD
Handle to the header control.
Return Values
The number of items indicates success. –1 indicates failure.
Remarks
The Header_GetItemCount macro is defined as follows:
#define Header_GetItemCount(hwndHD) \
(int)SendMessage((hwndHD), HDM_GETITEMCOUNT, 0, 0L)