public void InitData()
        {
            uint callRate = SettingManager.Instance.GetCurrentCallRate();

            for (int i = 0; i < CallRateSource.Count; ++i)
            {
                if (CallRateSource.ElementAt(i).Key == callRate)
                {
                    SelectedCallRate = CallRateSource.ElementAt(i);
                    break;
                }
            }

            LanguageType curLanguage = LanguageUtil.Instance.CurrentLanguage;

            for (int i = 0; i < LanguageSource.Count; ++i)
            {
                if (LanguageSource.ElementAt(i).Key == curLanguage)
                {
                    SelectedLanguage = LanguageSource.ElementAt(i);
                    break;
                }
            }

            OnPropertyChanged("ScreenPciPath");
            OnPropertyChanged("AutoLogin");
            OnPropertyChanged("AutoAnswer");
            OnPropertyChanged("AutoCapture");
            OnPropertyChanged("OpenHighFrameRateVideo");
            OnPropertyChanged("AutoHidePartyName");
            OnPropertyChanged("Enable4x4Layout");
            OnPropertyChanged("DisablePrompt");
            OnPropertyChanged("FullScreenOnCallConnected");
        }