请教用C#编写的控制光驱开关的代码！谢谢！！

Question

请教用C#编写的控制光驱开关的代码！谢谢！！！！

Answer 1

声明：
private bool CDOpen = true;
        [System.Runtime.InteropServices.DllImport("winmm.dll", EntryPoint="mciSendStringA")] 
private static extern long CDdoor(string lpstrCommand, string lpstrReturnString, long uReturnLength, long hwndCallback);private void button1_Click(object sender, System.EventArgs e)
{
   if (CDOpen == false) 
            {  
     CDdoor("set CDAudio door open", "0", 0, 0); 
              CDOpen = true; 
              this.button1.Text = "点击关闭光驱"; 
            } 
        else 
            { 
              CDdoor("set CDAudio door closed", "0", 0, 0); 
              CDOpen = false; 
              this.button1.Text = "点击打开光驱"; 
            } 
}