Pastein: $"-y -ss {start.TotalSeconds.ToString("F3", System.Globalization.CultureInfo.InvariantCulture)} -t {durationSec.ToString("F3", System.Globalization.CultureInfo.InvariantCulture)} " +

Загрузка данных

$"-y -ss {start.TotalSeconds.ToString("F3", System.Globalization.CultureInfo.InvariantCulture)} -t {durationSec.ToString("F3", System.Globalization.CultureInfo.InvariantCulture)} " +

Больше возможностей при регистрации: