如何实时检测到U盘已经插入到计算机上？

[BombZhang]

如题

[i_noname]

WM_DEVICECHANGE

[nkwesley]

http://community.csdn.net/Expert/TopicView.asp?id=4211978
看看这个

[MuseIn]

有你想要的：
http://www.programsalon.com/download117.html

[saliors]

嗯，再贴一次，赚点分：
监测u盘插入，则根据WM_DEVICECHANGE消息。
LRESULT CTestUSBDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
if(message == WM_DEVICECHANGE) //0x8000,0x8004
{
CString str;
DEV_BROADCAST_HDR* dhr = (DEV_BROADCAST_HDR *)lParam;
switch(wParam)
{
case DBT_CONFIGCHANGECANCELED:
TRACE("DBT_CONFIGCHANGECANCELED");
break;
case DBT_CONFIGCHANGED:
TRACE("DBT_CONFIGCHANGED");
break;
case DBT_DEVICEQUERYREMOVE:
TRACE("DBT_DEVICEQUERYREMOVE");
break;
case DBT_DEVICEQUERYREMOVEFAILED:
TRACE("DBT_DEVICEQUERYREMOVEFAILED");
break;
case DBT_DEVICEREMOVEPENDING:
TRACE("DBT_DEVICEREMOVEPENDING");
break;
case DBT_DEVICETYPESPECIFIC:
TRACE("DBT_DEVICETYPESPECIFIC");
break;
case DBT_QUERYCHANGECONFIG:
TRACE("DBT_QUERYCHANGECONFIG");
break;
case DBT_USERDEFINED:
TRACE("DBT_USERDEFINED");
break;
case DBT_DEVICEARRIVAL:
if(dhr->dbch_devicetype == DBT_DEVTYP_VOLUME)
{
PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)dhr;
if(lpdbv->dbcv_flags & DBTF_MEDIA)
{
str.Format("Drive %c 插入", FirstDriveFromMask(lpdbv ->dbcv_unitmask));
//AfxMessageBox(str);
}
else
{
char ch = FirstDriveFromMask(lpdbv ->dbcv_unitmask);
str.Format("%c:\\",ch);
}
}
break;
case DBT_DEVICEREMOVECOMPLETE:
if(dhr->dbch_devicetype == DBT_DEVTYP_VOLUME)
{
PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)dhr;
if(lpdbv->dbcv_flags & DBTF_MEDIA)
{
str.Format("Drive %c 拔除",FirstDriveFromMask(lpdbv ->dbcv_unitmask));
}
else
{
str.Format("Drive %c 拔除",FirstDriveFromMask(lpdbv ->dbcv_unitmask));
}
//AfxMessageBox(str);
}
break;
default:
break;
}
}
return CDialog::WindowProc(message, wParam, lParam);
}