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LB_SETANCHORINDEX message (Winuser.h) |
Sets the anchor item \ 8212;that is, the item from which a multiple selection starts. A multiple selection spans all items from the anchor item to the caret item. |
vs|controls|~\controls\listboxes\listboxreference\listboxmessages\lb_setanchorindex.htm |
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reference |
05/31/2018 |
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.
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wParam
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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.
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lParam
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This parameter is not used.
If the message succeeds, the return value is zero.
If the message fails, the return value is LB_ERR.
Requirement | Value |
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Minimum supported client |
Windows Vista [desktop apps only] |
Minimum supported server |
Windows Server 2003 [desktop apps only] |
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