C# 控制左右声道

        private void button1_Click(object sender, EventArgs e)
        {
            axWindowsMediaPlayer1.settings.balance = -;
        }
 
        private void button2_Click(object sender, EventArgs e)
        {
            axWindowsMediaPlayer1.settings.balance = ;
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
            axWindowsMediaPlayer1.URL = @"F:\1.wav";
            axWindowsMediaPlayer1.Ctlcontrols.play();
        }