光驱弹出与关闭
using System.Runtime.InteropServices ;
[DllImport("winmm.dll")]
public static extern int mciSendString(string s1,string s2,int i1,int i2);
private void button1_Click(object sender, System.EventArgs e) {
mciSendString ("set cdaudio door open","",0,0);
}
private void button2_Click(object sender, System.EventArgs e) {
mciSendString ("set cdaudio door closed","",0,0);
}