An application sends a LB_FINDSTRINGEXACT message to find the first list box string that matches the string specified in the lpszFind parameter.
LB_FINDSTRINGEXACT wParam = (WPARAM) indexStart; // item before start of search lParam = (LPARAM)(LPCSTR)lpszFind; // address of search string
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.
The return value is the zero-based index of the matching item, or LB_ERR if the search was unsuccessful.
If an application creates the list box with an owner-drawn style but without the LBS_HASSTRINGS style, the action taken by LB_FINDSTRINGEXACT 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_FINDSTRINGEXACT attempts to match the 32-bit value against the value of the lpszFind parameter.
LB_FINDSTRING, LB_SELECTSTRING, WM_COMPAREITEM
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