An application sends a CB_FINDSTRING message to search the list box of a combo box for an item beginning with the characters in a specified string.
CB_FINDSTRING wParam = (WPARAM) indexStart; // item before start of search lParam = (LPARAM) (LPCSTR) lpszFind // prefix string address
The return value is the zero-based index of the matching item. If the search is unsuccessful, it is CB_ERR.
If you create the combo box with an owner-drawn style but without the CBS_HASSTRINGS style, what the CB_FINDSTRING message does depends on whether your application uses the CBS_SORT style. If you use the CBS_SORT style, WM_COMPAREITEM messages are sent to the owner of the combo box to determine which item matches the specified string. If you do not use the CBS_SORT style, the CB_FINDSTRING message searches for a list item that matches the value of the lpszFind parameter.
CB_FINDSTRINGEXACT, CB_SELECTSTRING, CB_SETCURSEL, WM_COMPAREITEM
file: /Techref/os/win/api/win32/mess/src/msg01_12.htm, 2KB, , updated: 2000/4/7 12:19, local time: 2024/8/25 13:20,
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