/// <summary>
/// Updates the enabled state of the start button.
/// Requires all devices to be selected and a unique name for an enabled button.
/// </summary>
private void UpdateStartButton()
{
if (workerThread.GetCameras().Keys.Count >= 2 && workerThread.GetOutputAudioDevice() != null && workerThread.GetInputAudioDevice() != null && roomNameTextBox.Text.Trim().Length > 0 && !Configuration.GetInstance().Rooms.ContainsKey(roomNameTextBox.Text))
{
startCalibrationButton.IsEnabled = true;
}
else
{
startCalibrationButton.IsEnabled = false;
}
}