public void SetDefaultEndPoint(string deviceId, int processId)
{
EnsurePolicyConfig();
IntPtr hstring = IntPtr.Zero;
if (!string.IsNullOrWhiteSpace(deviceId))
{
var str = GenerateDeviceId(deviceId);
NativeMethods.WindowsCreateString(str, (uint)str.Length, out hstring);
}
int hr1, hr2;
hr1 = _sharedPolicyConfig.SetPersistedDefaultAudioEndpoint((uint)processId, _flow, Role.Multimedia, hstring);
hr2 = _sharedPolicyConfig.SetPersistedDefaultAudioEndpoint((uint)processId, _flow, Role.Console, hstring);
if (hr1 != HResult.S_OK || hr2 != HResult.S_OK)
{
Exception ex1 = Marshal.GetExceptionForHR(hr1);
Exception ex2 = Marshal.GetExceptionForHR(hr2);
if (ex1.GetType() == typeof(ArgumentException) || ex2.GetType() == typeof(ArgumentException))
{
ProcessCollection.Processes.FirstOrDefault(x => x.Id == processId).AudioDeviceTogglingNeeded = true;
}
else
{
// Print error or throw exception? Print error for now.
Trace.WriteLine($"Error in {nameof(SetDefaultEndPoint)} for {processId}: MultimediaResult={ex1}, ConsoleResult={ex2}");
}
}
}
public static void SetDefaultEndPoint(string deviceId, int processId)
{
Trace.WriteLine($"AudioPolicyConfigService SetDefaultEndPoint {deviceId} {processId}");
try
{
EnsurePolicyConfig();
IntPtr hstring = IntPtr.Zero;
if (!string.IsNullOrWhiteSpace(deviceId))
{
var str = GenerateDeviceId(deviceId);
Combase.WindowsCreateString(str, (uint)str.Length, out hstring);
}
s_sharedPolicyConfig.SetPersistedDefaultAudioEndpoint((uint)processId, EDataFlow.eRender, ERole.eMultimedia, hstring);
s_sharedPolicyConfig.SetPersistedDefaultAudioEndpoint((uint)processId, EDataFlow.eRender, ERole.eConsole, hstring);
}
catch (Exception ex)
{
AppTrace.LogWarning(ex);
}
}
public void SetDefaultEndPoint(string deviceId, int processId)
{
Console.WriteLine($"AudioPolicyConfigService SetDefaultEndPoint {deviceId} {processId}");
try
{
EnsurePolicyConfig();
var hstring = IntPtr.Zero;
if (!string.IsNullOrWhiteSpace(deviceId))
{
var str = GenerateDeviceId(deviceId);
Combase.WindowsCreateString(str, (uint)str.Length, out hstring);
}
_sharedPolicyConfig.SetPersistedDefaultAudioEndpoint((uint)processId, _flow, Role.Multimedia,
hstring);
_sharedPolicyConfig.SetPersistedDefaultAudioEndpoint((uint)processId, _flow, Role.Console, hstring);
}
catch (Exception ex)
{
Console.WriteLine($"{ex}");
}
}
