bool GetNativeDevInfo(DEVICE_INFO deviceToChangeState, out IntPtr ptrDevInfo, out Native.SP_DEVINFO_DATA devData)
{
Guid myGUID = System.Guid.Empty;
IntPtr hDevInfo = Native.SetupDiGetClassDevs(ref myGUID, 0, IntPtr.Zero, Native.DIGCF_ALLCLASSES | Native.DIGCF_PRESENT);
if (hDevInfo.ToInt64() == Native.INVALID_HANDLE_VALUE)
{
throw new Exception("Could retrieve handle for device");
}
Native.SP_DEVINFO_DATA DeviceInfoData;
DeviceInfoData = new Native.SP_DEVINFO_DATA();
//for 32-bit, IntPtr.Size = 4
//for 64-bit, IntPtr.Size = 8
if (IntPtr.Size == 4)
{
DeviceInfoData.cbSize = 28;
}
else if (IntPtr.Size == 8)
{
DeviceInfoData.cbSize = 32;
}
//is devices exist for class
DeviceInfoData.devInst = 0;
DeviceInfoData.classGuid = System.Guid.Empty;
DeviceInfoData.reserved = 0;
UInt32 i;
StringBuilder DeviceHardwareId = new StringBuilder("");
StringBuilder DeviceFriendlyName = new StringBuilder("");
DeviceHardwareId.Capacity = DeviceFriendlyName.Capacity = Native.MAX_DEV_LEN;
for (i = 0; Native.SetupDiEnumDeviceInfo(hDevInfo, i, DeviceInfoData); i++)
{
//Declare vars
Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_HARDWAREID, 0, DeviceHardwareId, Native.MAX_DEV_LEN, IntPtr.Zero);
Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_FRIENDLYNAME, 0, DeviceFriendlyName, Native.MAX_DEV_LEN, IntPtr.Zero);
Console.WriteLine(DeviceHardwareId + " -- " + DeviceFriendlyName);
if (DeviceHardwareId.ToString().ToLower().Contains(deviceToChangeState.hardwareId.ToLower()) &&
DeviceFriendlyName.ToString().ToLower().Contains(deviceToChangeState.friendlyName.ToLower()))
{
Console.WriteLine("Found: " + DeviceFriendlyName);
devData = DeviceInfoData;
ptrDevInfo = hDevInfo;
return
(true);
}
}
Native.SetupDiDestroyDeviceInfoList(hDevInfo);
devData = null;
ptrDevInfo = IntPtr.Zero;
return
(false);
}
//Name: SetDeviceState
//Inputs: string[],bool
//Outputs: bool
//Errors: This method may throw the following exceptions.
// Failed to enumerate device tree!
//Remarks: This is nearly identical to the method above except it
// tries to match the hardware description against the criteria
// passed in. If a match is found, that device will the be
// enabled or disabled based on bEnable.
public bool SetDeviceState(DEVICE_INFO deviceToChangeState, bool bEnable)
{
Guid myGUID = System.Guid.Empty;
IntPtr hDevInfo = Native.SetupDiGetClassDevs(ref myGUID, 0, IntPtr.Zero, Native.DIGCF_ALLCLASSES | Native.DIGCF_PRESENT);
if (hDevInfo.ToInt64() == Native.INVALID_HANDLE_VALUE)
{
throw new Exception("Could retrieve handle for device");
}
Native.SP_DEVINFO_DATA DeviceInfoData;
DeviceInfoData = new Native.SP_DEVINFO_DATA();
//for 32-bit, IntPtr.Size = 4
//for 64-bit, IntPtr.Size = 8
if (IntPtr.Size == 4)
{
DeviceInfoData.cbSize = 28;
}
else if (IntPtr.Size == 8)
{
DeviceInfoData.cbSize = 32;
}
//is devices exist for class
DeviceInfoData.devInst = 0;
DeviceInfoData.classGuid = System.Guid.Empty;
DeviceInfoData.reserved = 0;
UInt32 i;
StringBuilder DeviceHardwareId = new StringBuilder("");
StringBuilder DeviceFriendlyName = new StringBuilder("");
DeviceHardwareId.Capacity = DeviceFriendlyName.Capacity = Native.MAX_DEV_LEN;
for (i = 0; Native.SetupDiEnumDeviceInfo(hDevInfo, i, DeviceInfoData); i++)
{
DeviceFriendlyName.Length = DeviceHardwareId.Length = 0;
//Declare vars
Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_HARDWAREID, 0, DeviceHardwareId, Native.MAX_DEV_LEN, IntPtr.Zero);
Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_FRIENDLYNAME, 0, DeviceFriendlyName, Native.MAX_DEV_LEN, IntPtr.Zero);
//Console.WriteLine(DeviceHardwareId + " -- " + DeviceFriendlyName);
if (DeviceHardwareId.ToString().ToLower().Contains(deviceToChangeState.hardwareId.ToLower()) && DeviceFriendlyName.ToString().ToLower().Contains(deviceToChangeState.friendlyName.ToLower()))
{
Console.WriteLine("Found: " + DeviceFriendlyName);
bool couldChangeState = ChangeIt(hDevInfo, DeviceInfoData, bEnable);
if (!couldChangeState)
{
throw new Exception("Unable to change " + DeviceFriendlyName + " device state, make sure you have administrator privileges");
}
break;
}
}
Native.SetupDiDestroyDeviceInfoList(hDevInfo);
return(true);
}
public bool ResetDevice(DEVICE_INFO dev)
{
Native.SP_DEVINFO_DATA devInfo;
IntPtr devPtr;
if (GetNativeDevInfo(dev, out devPtr, out devInfo))
{
bool bOk = _ResetDevice(devPtr, devInfo);
Native.SetupDiDestroyDeviceInfoList(devPtr);
return
(bOk);
}
return
(false);
}
