This message is sent by an application to ensure that a particular item in a list box is visible.
At a Glance
| Header file: | Winuser.h |
| Windows CE versions: | 1.0 and later |
Syntax
LB_SETTOPINDEX wParam = (WPARAM) index; lParam = 0;
Parameters
index
Zero-based index of the item in the list box.
Windows 95 and Windows 98: The wParam parameter is limited to 16-bit values. This means list boxes cannot contain more than 32,767 items. Although the number of items is restricted, the total size in bytes of the items in a list box is limited only by available memory.
Return Values
LB_ERR indicates that an error has occurred.
Remarks
The system scrolls the list box contents so that either the specified item appears at the top of the list box or the maximum scroll range has been reached.
See Also