C# (CSharp) FortyOne.AudioSwitcher.SoundLibrary.Audio AudioMeterInformation示例

示例#1

文件： AudioSessionControl.cs 项目： quintesse/AudioSwitcher_v1

 internal AudioSessionControl(IAudioSessionControl2 realAudioSessionControl)
 {
     var _meters = realAudioSessionControl as IAudioMeterInformation;
     var _volume = realAudioSessionControl as ISimpleAudioVolume;
     if (_meters != null)
         _AudioMeterInformation = new AudioMeterInformation(_meters);
     if (_volume != null)
         _SimpleAudioVolume = new SimpleAudioVolume(_volume);
     _AudioSessionControl = realAudioSessionControl;
 }

示例#2

 private void GetAudioMeterInformation()
 {
     try
     {
         object result;
         Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioMeterInformation, CLSCTX.ALL, IntPtr.Zero,
                                                          out result));
         _AudioMeterInformation = new AudioMeterInformation(result as IAudioMeterInformation);
     }
     catch
     {
         _AudioMeterInformation = null;
     }
 }

示例#3

        internal AudioSessionControl(IAudioSessionControl2 realAudioSessionControl)
        {
            var _meters = realAudioSessionControl as IAudioMeterInformation;
            var _volume = realAudioSessionControl as ISimpleAudioVolume;

            if (_meters != null)
            {
                _AudioMeterInformation = new AudioMeterInformation(_meters);
            }
            if (_volume != null)
            {
                _SimpleAudioVolume = new SimpleAudioVolume(_volume);
            }
            _AudioSessionControl = realAudioSessionControl;
        }

示例#4

文件： MMDevice.cs 项目： quintesse/AudioSwitcher_v1

 private void GetAudioMeterInformation()
 {
     try
     {
         object result;
         Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioMeterInformation, CLSCTX.ALL, IntPtr.Zero,
             out result));
         _AudioMeterInformation = new AudioMeterInformation(result as IAudioMeterInformation);
     }
     catch
     {
         _AudioMeterInformation = null;
     }
 }