wxDouble db_label_height;
wxDouble db_label_descent;
wxDouble db_label_leading;
- gc->GetTextExtent ("-80dB", &_db_label_width, &db_label_height, &db_label_descent, &db_label_leading);
+ gc->GetTextExtent (wxT ("-80dB"), &_db_label_width, &db_label_height, &db_label_descent, &db_label_leading);
_db_label_width += 8;