Invoke VC Volume control program in Java

Objective

In this paper, the Java Runtime interface is used to realize the application of other languages, and then to monitor and control the computer hardware information. This paper is a part of the multimedia information system, which is to adjust the volume of the computer.

Use VC to write volume control program

This control example is written using VC6.0, primarily by invoking the system's APIs to implement the

Mixergetlineinfo gets Master Volume control.

Mixergetcontroldetails Get Volume Control information

Mixersetcontroldetails Set Volume control information

A program VolumeControl.exe that is eventually compiled into a DOS execution of the console type. This program implements three features:

1. Get Volume VolumeControl.exe 0

2. Increase Volume VolumeControl.exe 1

3. Reduce Volume VolumeControl.exe 2