LB_SELECTSTRING message
Searches a list box for an item that begins with the characters in a specified string. If a matching item is found, the item is selected.
Parameters
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wParam
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The zero-based index of the item before the first item to be searched. When the search reaches the bottom of the list box, it continues from the top of the list box back to the item specified by the wParam parameter. If wParam is -1, the entire list box is searched from the beginning.
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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A pointer to the null-terminated string that contains the prefix for which to search. The search is case independent, so this string can contain any combination of uppercase and lowercase letters.
Return value
If the search is successful, the return value is the index of the selected item. If the search is unsuccessful, the return value is LB_ERR and the current selection is not changed.
Remarks
The list box is scrolled, if necessary, to bring the selected item into view.
Do not use this message with a list box that has the LBS_MULTIPLESEL or the LBS_EXTENDEDSEL styles.
An item is selected only if its initial characters from the starting point match the characters in the string specified by the lParam parameter.
If the list box has the owner-drawn style but not the LBS_HASSTRINGS style, the action taken by LB_SELECTSTRING depends on whether the LBS_SORT style is used. If LBS_SORT is used, the system sends WM_COMPAREITEM messages to the list box owner to determine which item matches the specified string. Otherwise, LB_SELECTSTRING attempts to find an item that has a long value (supplied as the lParam parameter of the LB_ADDSTRING or LB_INSERTSTRING message) that matches the lParam parameter.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|
See also
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Reference
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