Search for text in a TListView item (Views: 704)
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Problem/Question/Abstract: How to search for text in a TListView item Answer: Parameters: lv: The listview, supposed to be in vaReport mode S: The text to search for Column: The column index for the column to search , 0-based. Returns the found listview item, or Nil if none was found Precondition: lv <> nil, lv in report mode if column > 0, S not empty Description: The search is case-insensitive and will only match on the complete column content. Use AnsiContainsText instead of AnsiCompareText to match on a substring in the columns content. function FindListviewItem(lv: TListview; const S: string; column: Integer): TListItem; var i: Integer; found: Boolean; begin Assert(Assigned(lv)); Assert((lv.viewstyle = vaReport) or (column = 0)); Assert(S <> ''); for i := 0 to lv.items.count - 1 do begin result := lv.Items[i]; if column = 0 then found := AnsiCompareText(result.caption, S) = 0 else if column <= result.subitems.count then found := AnsiCompareText(result.subitems[column - 1], S) = 0 else found := false; if found then Exit; end; {No hit if we get here} Result := nil; end; |