private void VoiceSampleEditor_Load(object sender, EventArgs e)
        {
            byte[] sample = _secSystem.GetVoiceSample(_userId);

            if (sample == null)
            {
                _sampleBuffer = null;
            }
            else
            {
                _sampleBuffer = sample;
            }

            PlaySampleButton.Enabled = _sampleBuffer != null;
        }