private void CheckInputOutputDevice()
{
BindAudio();
try
{
if (Environment.OSVersion.Version.Major < 6)
{
mMixers = new Mixers();
if (mMixers.Playback.Devices.Count == 0 || mMixers.Recording.Devices.Count == 0)
{
MessageBox.Show("无效的输入输出设备!");
return;
}
}
else
{
var enumerator = new MMDeviceEnumerator();
var defaultMicroDevice = enumerator.GetDefaultAudioEndpoint(DataFlow.Capture, Role.Console);
var defaultDevice = enumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Console);
if (defaultMicroDevice?.FriendlyName == null)
{
MessageBox.Show("无效的输入设备!");
return;
}
if (defaultDevice?.FriendlyName == null)
{
MessageBox.Show("无效的输出设备!");
return;
}
}
GlobalUser.AudioVolume = vol.GetAudioVolume();
GlobalUser.RecordingVolume = vol.GetMicroVolume();
VoiceVolumeSlider.Value = Convert.ToInt32(GlobalUser.AudioVolume * 100.0f);
//VoiceVolumeSlider.Value = defaultDevice.AudioEndpointVolume.MasterVolumeLevelScalar * 100.0f;
MicrophoneVolumeSlider.Value = Convert.ToInt32(GlobalUser.RecordingVolume * 100.0f);
//Convert.ToInt32(defaultMicroDevice.AudioEndpointVolume.MasterVolumeLevelScalar * 100.0f);
}
catch (Exception ex)
{
Log4NetHelper.Error("Loaded MMD 加载默认声音音量失败", ex);
//MessageBox.Show("无效的输入输出设备，请确认可用后重新打开程序！详细信息可查看日志。");
}
}
private void CheckInputOutputDevice()
{
BindAudio();
string error = "";
try
{
if (Environment.OSVersion.Version.Major < 6)
{
mMixers = new Mixers();
if (mMixers.Playback.Devices.Count == 0 || mMixers.Recording.Devices.Count == 0)
{
//MessageBox.Show("无效的输入输出设备!");
error = "请检查耳机和麦克风插头是否插好，确认可用后请退出重新开进入答题页面！";
//return;
}
}
else
{
var enumerator = new MMDeviceEnumerator();
var defaultMicroDevice = enumerator.GetDefaultAudioEndpoint(DataFlow.Capture, Role.Console);
var defaultDevice = enumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Console);
if (defaultMicroDevice?.FriendlyName == null)
{
//MessageBox.Show("无效的输入设备!");
error = "请检查麦克风插头是否插好，确认可用后请退出重新开进入答题页面！";
//return;
}
if (defaultDevice?.FriendlyName == null)
{
//MessageBox.Show("无效的输出设备!");
error = "请检查耳机插头是否插好，确认可用后请退出重新开进入答题页面！";
//return;
}
}
GlobalUser.AudioVolume = vol.GetAudioVolume();
GlobalUser.RecordingVolume = vol.GetMicroVolume();
}
catch (Exception ex)
{
Log4NetHelper.Error("Loaded MMD 加载默认声音音量失败", ex);
//MessageBox.Show("无效的输入输出设备，请确认可用后重新打开程序！详细信息可查看日志。");
error = "请检查耳机和麦克风插头是否插好，确认可用后请退出重新开进入答题页面！";
}
finally
{
if (!string.IsNullOrEmpty(error))
{
var view = new MessageDialog();
view.DataContext = new MessageDialogVM()
{
MsgTitle = "异常消息",
MsgContent = error,
};
//DispatcherTimer timer = new DispatcherTimer();
//timer.Interval = new TimeSpan(3000);
//timer.Tick += delegate
//{
// Application.Current.Dispatcher.InvokeAsync(() => {
// });
// timer.Stop();
//};
//timer.Start();
Thread t = new Thread(() =>
{
Dispatcher.Invoke(new Action(() =>
{
Thread.Sleep(1000);//次线程休眠1秒
DialogHostEx.ShowDialog(this.ExamMainDialog, view, MessageDialogClose);
}));
});
t.Start();
//Messenger.Default.Send(new MainDialogMessage(this, error), "MainMessageDialog");
}
}
}