/// <summary>
/// Switches between the master volume mute states depending on the current state
/// </summary>
/// <returns>the current mute state, true if the volume was muted, false if unmuted</returns>
public static bool ToggleMasterVolumeMute()
{
Interfaces.IAudioEndpointVolume masterVol = null;
try
{
masterVol = GetMasterVolumeObject();
if (masterVol == null)
{
return(false);
}
bool isMuted;
masterVol.GetMute(out isMuted);
masterVol.SetMute(!isMuted, Guid.Empty);
return(!isMuted);
}
finally
{
if (masterVol != null)
{
Marshal.ReleaseComObject(masterVol);
}
}
}
/// <summary>
/// Mute or unmute the master volume
/// </summary>
/// <param name="isMuted">true to mute the master volume, false to unmute</param>
public static void SetMasterVolumeMute(bool isMuted)
{
Interfaces.IAudioEndpointVolume masterVol = null;
try
{
masterVol = GetMasterVolumeObject();
if (masterVol == null)
{
return;
}
masterVol.SetMute(isMuted, Guid.Empty);
}
finally
{
if (masterVol != null)
{
Marshal.ReleaseComObject(masterVol);
}
}
}
