public static IEnumerable<ApplicationVolumeInformation> EnumerateApplications()
{
// get the speakers (1st render + multimedia) device
IMMDeviceEnumerator deviceEnumerator = (IMMDeviceEnumerator)(new MMDeviceEnumerator());
IMMDevice speakers;
deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia, out speakers);
// activate the session manager. we need the enumerator
Guid IID_IAudioSessionManager2 = typeof(IAudioSessionManager2).GUID;
object o;
speakers.Activate(IID_IAudioSessionManager2, 0, IntPtr.Zero, out o);
IAudioSessionManager2 mgr = (IAudioSessionManager2)o;
// enumerate sessions for on this device
IAudioSessionEnumerator sessionEnumerator;
mgr.GetSessionEnumerator(out sessionEnumerator);
int count;
sessionEnumerator.GetCount(out count);
for (int i = 0; i < count; i++)
{
IAudioSessionControl ctl;
sessionEnumerator.GetSession(i, out ctl);
uint GetProcessID=0;
String GetName = "";
float GetVolume = 0;
String GetIconPath = "";
IAudioSessionControl getsession = null;
getsession = ctl;
if (ctl is IAudioSessionControl2)
{
IAudioSessionControl2 ctl2 = ((IAudioSessionControl2)ctl);
ctl2.GetProcessId(out GetProcessID);
ctl2.GetDisplayName(out GetName);
String sIconPath;
ctl2.GetIconPath(out sIconPath);
ISimpleAudioVolume volcast = (ctl2 as ISimpleAudioVolume);
float grabvolume;
volcast.GetMasterVolume(out grabvolume);
GetVolume = grabvolume;
Process grabProcess = Process.GetProcessById((int)GetProcessID);
if(String.IsNullOrEmpty(GetName))
{
GetName = grabProcess.ProcessName;
}
}
ApplicationVolumeInformation avi = new ApplicationVolumeInformation(getsession,GetProcessID,GetVolume,GetName,GetIconPath);
yield return avi;
Marshal.ReleaseComObject(ctl);
}
Marshal.ReleaseComObject(sessionEnumerator);
Marshal.ReleaseComObject(mgr);
Marshal.ReleaseComObject(speakers);
Marshal.ReleaseComObject(deviceEnumerator);
}
public static IEnumerable <ApplicationVolumeInformation> EnumerateApplications()
{
// get the speakers (1st render + multimedia) device
IMMDeviceEnumerator deviceEnumerator = (IMMDeviceEnumerator)(new MMDeviceEnumerator());
IMMDevice speakers;
deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia, out speakers);
// activate the session manager. we need the enumerator
Guid IID_IAudioSessionManager2 = typeof(IAudioSessionManager2).GUID;
object o;
speakers.Activate(IID_IAudioSessionManager2, 0, IntPtr.Zero, out o);
IAudioSessionManager2 mgr = (IAudioSessionManager2)o;
// enumerate sessions for on this device
IAudioSessionEnumerator sessionEnumerator;
mgr.GetSessionEnumerator(out sessionEnumerator);
int count;
sessionEnumerator.GetCount(out count);
for (int i = 0; i < count; i++)
{
IAudioSessionControl ctl;
sessionEnumerator.GetSession(i, out ctl);
uint GetProcessID = 0;
String GetName = "";
float GetVolume = 0;
String GetIconPath = "";
IAudioSessionControl getsession = null;
getsession = ctl;
if (ctl is IAudioSessionControl2)
{
IAudioSessionControl2 ctl2 = ((IAudioSessionControl2)ctl);
ctl2.GetProcessId(out GetProcessID);
ctl2.GetDisplayName(out GetName);
String sIconPath;
ctl2.GetIconPath(out sIconPath);
ISimpleAudioVolume volcast = (ctl2 as ISimpleAudioVolume);
float grabvolume;
volcast.GetMasterVolume(out grabvolume);
GetVolume = grabvolume;
try
{
Process grabProcess = Process.GetProcessById((int)GetProcessID);
if (String.IsNullOrEmpty(GetName))
{
GetName = grabProcess.ProcessName;
}
}
catch (Exception exx)
{
GetName = "Name Not Available";
}
}
ApplicationVolumeInformation avi = new ApplicationVolumeInformation(getsession, GetProcessID, GetVolume, GetName, GetIconPath);
yield return(avi);
Marshal.ReleaseComObject(ctl);
}
Marshal.ReleaseComObject(sessionEnumerator);
Marshal.ReleaseComObject(mgr);
Marshal.ReleaseComObject(speakers);
Marshal.ReleaseComObject(deviceEnumerator);
}
