public void SetDefaultAudioDevice(AudioDevice device, AudioDeviceRole role)
{
if (device == null)
throw new ArgumentNullException("device");
// BADNESS: The following code uses undocumented interfaces provided by the Audio SDK. This is completely
// unsupported, and should be used for amusement purposes only. This is *extremely likely* to be broken
// in future updates and/or versions of Windows. If Larry Osterman was dead, he would be rolling over
// in his grave if he knew you were using this for nefarious purposes.
var config = new PolicyConfig();
int hr;
IPolicyConfig2 config2 = config as IPolicyConfig2;
if (config2 != null)
{ // Windows 7 -> Windows 8.1
hr = config2.SetDefaultEndpoint(device.Id, role);
}
else
{ // Windows 10+
hr = ((IPolicyConfig3)config).SetDefaultEndpoint(device.Id, role);
}
if (hr != HResult.OK)
throw Marshal.GetExceptionForHR(hr);
}
public void SetDefaultAudioDevice(AudioDevice device)
{
if (device == null)
throw new ArgumentNullException("device");
SetDefaultAudioDevice(device, AudioDeviceRole.Multimedia);
SetDefaultAudioDevice(device, AudioDeviceRole.Communications);
SetDefaultAudioDevice(device, AudioDeviceRole.Console);
}
public DefaultAudioDeviceEventArgs(AudioDevice device, AudioDeviceKind kind, AudioDeviceRole role)
: base(device)
{
_kind = kind;
_role = role;
}
public bool IsDefaultAudioDevice(AudioDevice device, AudioDeviceRole role)
{
if (device == null)
throw new ArgumentNullException("device");
AudioDevice defaultDevice = GetDefaultAudioDevice(device.Kind, role);
if (defaultDevice == null)
return false;
return String.Equals(defaultDevice.Id, device.Id, StringComparison.OrdinalIgnoreCase);
}
public AudioDeviceEventArgs(AudioDevice device)
{
_device = device;
}
public AudioDeviceViewModel(AudioDevice device)
{
_device = device;
}
public DefaultAudioDeviceEventArgs(AudioDevice device, AudioDeviceKind kind, AudioDeviceRole role)
: base(device)
{
_kind = kind;
_role = role;
}
public void SetDefaultAudioDevice(AudioDevice device)
{
SetDefaultAudioDevice(device, AudioDeviceRole.Multimedia);
SetDefaultAudioDevice(device, AudioDeviceRole.Communications);
SetDefaultAudioDevice(device, AudioDeviceRole.Console);
}
public AudioDeviceStateEventArgs(AudioDevice device, AudioDeviceState newState)
: base(device)
{
_newState = newState;
}
public AudioDeviceEventArgs(AudioDevice device)
{
_device = device;
}
public AudioDeviceStateEventArgs(AudioDevice device, AudioDeviceState newState)
: base(device)
{
_newState = newState;
}
