有两个光驱,怎么样对它们分别执行打开和关闭操作啊!
我试了下面代码,的确可以操作光驱的开关,但是如果有两个光驱,则只会对master起作用,怎样才能分别对他们都操作啊!
void __fastcall TForm1::Button1Click(TObject *Sender)
{
mciSendString("Set cdaudio door open wait",NULL,0,NULL);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender)
{
mciSendString("Set cdaudio door closed wait",NULL,0,NULL);
}
//---------------------------------------------------------------------------