An application sends an LB_SETCARETINDEX message to set the focus rectangle to the item at the specified index in a multiple-selection list box. If the item is not visible, it is scrolled into view.
LB_SETCARETINDEX wParam = (WPARAM) index; // item index lParam = MAKELPARAM(fScroll, 0); // flag for scrolling item
Windows 95: 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
listbox is limited only by available memory.
If an error occurs, the return value is LB_ERR.
|file: /Techref/os/win/api/win32/mess/src/msg10_24.htm, 1KB, , updated: 2000/4/7 12:20, local time: 2022/8/17 20:49,
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