public string GetDefaultEndPoint(int processId)
        {
            int hr;

            EnsurePolicyConfig();

            hr = _sharedPolicyConfig.GetPersistedDefaultAudioEndpoint((uint)processId, _flow, Role.Multimedia | Role.Console, out string deviceId);
            if (hr == HResult.S_OK)
            {
                return(UnpackDeviceId(deviceId));
            }
            else
            {
                Exception ex = Marshal.GetExceptionForHR(hr);
                // If a process doesn't have a persisted default audio endpoint for a DataFlow direction, an ArgumentException is raised. Ignore it.
                if (ex.GetType() == typeof(ArgumentException))
                {
                    return(null);
                }
                else
                {
                    // Some other exception type has occurred but we don't know why.
                    Trace.WriteLine($"{ex}");
                    return(null);
                }
            }
        }
Пример #2
0
        public static string GetDefaultEndPoint(int processId)
        {
            try
            {
                EnsurePolicyConfig();

                s_sharedPolicyConfig.GetPersistedDefaultAudioEndpoint((uint)processId, EDataFlow.eRender, ERole.eMultimedia | ERole.eConsole, out string deviceId);
                return(UnpackDeviceId(deviceId));
            }
            catch (Exception ex)
            {
                AppTrace.LogWarning(ex);
            }

            return(null);
        }
Пример #3
0
        public string GetDefaultEndPoint(int processId)
        {
            try
            {
                EnsurePolicyConfig();

                _sharedPolicyConfig.GetPersistedDefaultAudioEndpoint((uint)processId, _flow, ERole.eMultimedia | ERole.eConsole, out string deviceId);
                return(UnpackDeviceId(deviceId));
            }
            catch (Exception ex)
            {
                Trace.WriteLine($"{ex}");
            }

            return(null);
        }