public void Reenumerate(UInt32 flags)
{
CR ret = SetupApi.CM_Reenumerate_DevNode(DevInst, flags);
CMException.Throw(ret, "CM_Reenumerate_DevNode");
}
/// <summary>
/// Force re-enumeration of a device (force installation)
/// TODO: allow root re-enum
/// </summary>
public static int UpdateDriver(string deviceHardwareID)
{
int devIndex;
int refreshed = 0;
bool bSuccess;
// Initialize the SP_DEVINFO_DATA structure
SetupApi.SP_DEVINFO_DATA devInfoData = new SetupApi.SP_DEVINFO_DATA();
// List all connected USB devices
IntPtr pDevInfo = SetupApi.SetupDiGetClassDevs(0, "USB", IntPtr.Zero, SetupApi.DICFG.ALLCLASSES);
if (pDevInfo == IntPtr.Zero || pDevInfo == new IntPtr(-1))
{
return(refreshed);
}
for (devIndex = 0;; devIndex++)
{
devInfoData.cbSize = (uint)Marshal.SizeOf(typeof(SetupApi.SP_DEVINFO_DATA));
bSuccess = SetupApi.SetupDiEnumDeviceInfo(pDevInfo, devIndex, ref devInfoData);
// Reached the end of the deviceInfo list.
if (!bSuccess)
{
break;
}
// Find the hardware ID
string[] saHardwareIDs;
bSuccess = SetupApi.SetupDiGetDeviceRegistryProperty(out saHardwareIDs,
pDevInfo,
ref devInfoData,
SetupApi.SPDRP.HARDWAREID);
// Failed getting hardware id
if (!bSuccess)
{
break;
}
// Failed getting hardware id
if (saHardwareIDs.Length == 0)
{
continue;
}
// Check all hardwareids for a match
bool bFound = false;
foreach (string s in saHardwareIDs)
{
if (s.Trim().ToLower() == deviceHardwareID.Trim().ToLower())
{
bFound = true;
break;
}
}
// Hardware did not match; goto next device
if (!bFound)
{
continue;
}
// Re-enumerate the device node
SetupApi.CR status = SetupApi.CM_Reenumerate_DevNode((int)devInfoData.DevInst,
SetupApi.CM.REENUMERATE_RETRY_INSTALLATION);
if (status == SetupApi.CR.SUCCESS)
{
InfWizardStatus.Log(CategoryType.RefreshDriver, StatusType.Success, "re-enumeration of {0} succeeded...", deviceHardwareID);
}
else if (status == SetupApi.CR.INVALID_DEVNODE)
{
continue;
}
else
{
InfWizardStatus.Log(CategoryType.RefreshDriver, StatusType.Warning, "failed to re-enumerate device node: CR code {0}", status);
continue;
}
refreshed++;
}
// return the number of devices that were re-enumerated.
return(refreshed);
}
