LB_SETANCHORINDEX message

Sets the anchor item that is, the item from which a multiple selection starts. A multiple selection spans all items from the anchor item to the caret item.

Parameters

wParam

Specifies the index of the new anchor item.

Windows 95/Windows 98/Windows Millennium Edition (Windows Me) : 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.

lParam

This parameter is not used.

Return value

If the message succeeds, the return value is zero.

If the message fails, the return value is LB_ERR.

Requirements

Requirement Value
Minimum supported client
Windows Vista [desktop apps only]
Minimum supported server
Windows Server 2003 [desktop apps only]
Header
Winuser.h (include Windows.h)

See also

LB_GETANCHORINDEX