The Header_GetItemCount macro retrieves a count of the items in a header control. You can use this macro or explicitly send the HDM_GETITEMCOUNT message.
int Header_GetItemCount(
| hwndHD | |
| ); |
Parameters
hwndHD
Handle to the header control.
Return Values
If the operation succeeds, the return value is the number of items.
If the operation fails, the return value is - 1.
Remarks
The Header_GetItemCount macro is defined as follows:
#define Header_GetItemCount(hwndHD) \
(int)SendMessage((hwndHD), HDM_GETITEMCOUNT, 0, 0L)
See Also