/C#/C++ program obtein volume in windows

C++ program obtein volume in windows

using System.Runtime.InteropServices;
using UnityEngine;

public class VolumeManager : MonoBehaviour
{
    //The Unit to use when getting and setting the volume
    public enum VolumeUnit
    {
        //Perform volume action in decibels</param>
        Decibel,
        //Perform volume action in scalar
        Scalar
    }

    /// <summary>
    /// Gets the current volume
    /// </summary>
    /// <param name="vUnit">The unit to report the current volume in</param>
    [DllImport("ChangeVolumeWindows")]
    public static extern float GetSystemVolume(VolumeUnit vUnit);
    /// <summary>
    /// sets the current volume
    /// </summary>
    /// <param name="newVolume">The new volume to set</param>
    /// <param name="vUnit">The unit to set the current volume in</param>
    [DllImport("ChangeVolumeWindows")]
    public static extern void SetSystemVolume(double newVolume, VolumeUnit vUnit);

    // Use this for initialization
    void Start()
    {
        //Get volume in Decibel 
        float volumeDecibel = GetSystemVolume(VolumeUnit.Decibel);
        Debug.Log("Volume in Decibel: " + volumeDecibel);

        //Get volume in Scalar 
        float volumeScalar = GetSystemVolume(VolumeUnit.Scalar);
        Debug.Log("Volume in Scalar: " + volumeScalar);

        //Set volume in Decibel 
        SetSystemVolume(-16f, VolumeUnit.Decibel);

        //Set volume in Scalar 
        SetSystemVolume(0.70f, VolumeUnit.Scalar);
    }
}

Source: stackoverflow.com

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