private bool ChangeVolume(int nIndex, float fVolume)
{
if (this.m_fPrevVolume[nIndex] == fVolume)
{
return(false);
}
if (nIndex == 0)
{
TsAudio.MasterVolume = fVolume;
}
else
{
TsAudio.SetVolumeScaling((EAudioType)(nIndex - 1), fVolume);
TsAudio.RefreshAudioVolumes((EAudioType)(nIndex - 1));
}
this.m_fPrevVolume[nIndex] = fVolume;
return(true);
}