public static string UpdateVolume(Message message)
{
if (message.Volume < 0)
{
message.Volume = 0;
}
if (message.Volume > 100)
{
message.Volume = 100;
}
if (message.ProcessId != 0)
{
//loop through all active audio processes
foreach (var ctl in AudioLibrary.EnumerateApplications())
{
ctl.GetProcessId(out UInt32 pId);
//Find required audio process and adjust volume
if (pId == message.ProcessId)
{
AudioLibrary.SetApplicationVolume(ctl, message.Volume);
break;
}
}
}
else
{
AudioLibrary.SetMasterVolume(message.Volume);
}
return(message.Volume.ToString());
}
public static List <AppDetails> AllApps()
{
var appDetailsList = new List <AppDetails>();
//Create master volume object
var masterDetails = new AppDetails();
masterDetails.App = "Master Volume";
masterDetails.Volume = AudioLibrary.GetMasterVolume();
masterDetails.Mute = AudioLibrary.MasterMuteState();
masterDetails.ProcessId = 0;
appDetailsList.Add(masterDetails);
//Find all other active audio processes
foreach (var ctl in AudioLibrary.EnumerateApplications())
{
var appDetails = new AppDetails();
ctl.GetDisplayName(out string dn);
ctl.GetProcessId(out uint retval);
//Process Id 0 is system sounds, currently being ignored until can be handled properly
if (retval == 0)
{
continue;
}
appDetails.ProcessId = retval;
//If audio process description does not exist, use the app process name
if (string.IsNullOrEmpty(dn))
{
var p = Process.GetProcessById(Convert.ToInt32(retval));
appDetails.App = p.MainWindowTitle;
}
else
{
appDetails.App = dn;
}
appDetails.Volume = AudioLibrary.GetApplicationVolume(ctl);
appDetails.Mute = AudioLibrary.AppMuteState(ctl);
appDetailsList.Add(appDetails);
}
return(appDetailsList);
}
public static void MuteApp(int processId)
{
if (processId < 0)
{
throw new Exception("Proccess must have an ID value greater than 0");
}
if (processId != 0)
{
foreach (var ctl in AudioLibrary.EnumerateApplications())
{
ctl.GetProcessId(out uint pId);
if (pId == processId)
{
AudioLibrary.MuteApp(ctl);
break;
}
}
}
else
{
AudioLibrary.MuteMaster();
}
}