我的要求是弹出第二个光驱可是用下面的代码只能
弹出一个光驱:
mciSendString("open cdaudio alias cd wait shareable",0,0,0);
mciSendString("set cd door open",0,0,0);是不是还有别的方法实现,请高人指点...
弹出一个光驱:
mciSendString("open cdaudio alias cd wait shareable",0,0,0);
mciSendString("set cd door open",0,0,0);是不是还有别的方法实现,请高人指点...
MCI Structures,
MCI_OPEN,
mciSendCommand
MCIDEVICEID IDDevice,
UINT uMsg,
DWORD fdwCommand,
DWORD dwParam
);
{
...
public:
UINT wDeviceID;
MCI_SET_PARMS mciSetParms;
DWORD dwReturn;
}
void CDrawView::OnControlOpen()
{
MCI_OPEN_PARMS mciOpenParms;
mciOpenParms.lpstrDeviceType = "cdaudio";
if(dwReturn=mciSendCommand(NULL,MCI_OPEN,MCI_OPEN_TYPE,(DWORD)(LPVOID)
&mciOpenParms))
{
MessageBox("can't open!");
}
wDeviceID = mciOpenParms.wDeviceID;
if(dwReturn=mciSendCommand(wDeviceID,MCI_SET,MCI_SET_DOOR_OPEN,(DWORD)(LPSTR)
&mciSetParms))
{
MessageBox("不能弹出光驱!");
}
}
{
if(dwReturn=mciSendCommand(wDeviceID,MCI_SET,MCI_SET_DOOR_CLOSED,(DWORD)
(LPSTR)&mciSetParms))
{
MessageBox("不能关闭光驱!");
}
}