public static extern bool SetupDiGetDevicePropertyW(
IntPtr deviceInfoSet,
[In] ref SP_DEVINFO_DATA DeviceInfoData,
[In] ref DisableHardware.DEVPROPKEY propertyKey,
[Out] out UInt32 propertyType,
IntPtr propertyBuffer,
UInt32 propertyBufferSize,
out UInt32 requiredSize,
UInt32 flags);
public static string GetStringPropertyForDevice(IntPtr info, Native.SP_DEVINFO_DATA devdata, DisableHardware.DEVPROPKEY key)
{
uint proptype, outsize;
IntPtr buffer = IntPtr.Zero;
try
{
uint buflen = 512;
buffer = Marshal.AllocHGlobal((int)buflen);
Native.SetupDiGetDevicePropertyW(
info,
ref devdata,
ref key,
out proptype,
buffer,
buflen,
out outsize,
0);
byte[] lbuffer = new byte[outsize];
Marshal.Copy(buffer, lbuffer, 0, (int)outsize);
return(Encoding.Unicode.GetString(lbuffer));
}
finally
{
if (buffer != IntPtr.Zero)
{
Marshal.FreeHGlobal(buffer);
}
}
}
public HWinfoModel[] GetAll()
{
List <HWinfoModel> HWList = new List <HWinfoModel>();
try
{
Guid myGUID = System.Guid.Empty;
IntPtr hDevInfo = Native.SetupDiGetClassDevs(ref myGUID, 0, IntPtr.Zero, Native.DIGCF_ALLCLASSES | Native.DIGCF_PRESENT);
if (hDevInfo.ToInt32() == Native.INVALID_HANDLE_VALUE)
{
throw new Exception("Invalid Handle");
}
Native.SP_DEVINFO_DATA DeviceInfoData;
DeviceInfoData = new Native.SP_DEVINFO_DATA();
DeviceInfoData.cbSize = 28;
//is devices exist for class
DeviceInfoData.devInst = 0;
DeviceInfoData.classGuid = System.Guid.Empty;
DeviceInfoData.reserved = 0;
UInt32 i;
StringBuilder DeviceName = new StringBuilder("");
DeviceName.Capacity = Native.MAX_DEV_LEN;
for (i = 0; Native.SetupDiEnumDeviceInfo(hDevInfo, i, DeviceInfoData); i++)
{
Debug.WriteLine(i + "- " + DeviceInfoData.classGuid);
//Declare vars
int skip = 0;
while (!Native.SetupDiGetDeviceRegistryProperty(hDevInfo,
DeviceInfoData,
Native.SPDRP_DEVICEDESC,
0,
DeviceName,
Native.MAX_DEV_LEN,
IntPtr.Zero))
{
// Debug.WriteLine("Skip");
skip++;
if (skip > 1024)
{
break;
}
}
if (skip < 1024)
{
if (DeviceInfoData.classGuid == Guid.Parse("{a45c254e-df1c-4efd-8020-67d146a850e0}"))
{
Debug.WriteLine("ooooh!");
}
string devicepath = "";
var DEVPKEY_Device_HardwareIds = new DisableHardware.DEVPROPKEY();
DEVPKEY_Device_HardwareIds.fmtid = new Guid((uint)0x540b947e, (ushort)0x8b40, (ushort)0x45bc, 0xa8, 0xa2, 0x6a, 0x0b, 0x89, 0x4c, 0xbd, 0xa2);
DEVPKEY_Device_HardwareIds.pid = 4;
try
{
devicepath =
GetStringPropertyForDevice(hDevInfo, DeviceInfoData, DEVPKEY_Device_HardwareIds);
if (devicepath != "")
{
Debug.WriteLine(devicepath);
}
}
catch
{
}
HWList.Add(new HWinfoModel
{
Name = DeviceName.ToString(),
Pointer = hDevInfo,
ClassGuid = DeviceInfoData.classGuid
});
}
}
Native.SetupDiDestroyDeviceInfoList(hDevInfo);
}
catch (Exception ex)
{
throw new Exception("Failed to enumerate device tree!", ex);
}
return(HWList.ToArray());
}
