Color items different if values are invalid

VCL VCL Feature Requests
1

Please add the functionality to mark items as invalid and color those different.

Add property Appearance.Invalid to set colors for items that are marked as Invalid.

Add Boolean property Values[x].Invalid

procedure TForm1.AdvListEditor1ValueEditDone(Sender: TObject;
Value: TAdvListValue; var EditText: string; var Invalid: Boolean);
begin
If NOT CorrectValue then
Invalid := True
end;