public static Device FromDevInfo(IntPtr devInfo, WinApi.SP_DEVINFO_DATA devInfoData)
{
Device device = null;
string name = null;
string hardwareId = null;
string physicalDeviceObjectName = null;
UInt32 capabilities = 0;
byte[] buf = new byte[1024];
uint reqBufSize;
if (WinApi.SetupDiGetDeviceRegistryProperty(devInfo, ref devInfoData, WinApi.SPDRP_FRIENDLYNAME, IntPtr.Zero, buf, (uint)buf.Length, out reqBufSize))
{
name = WinApi.ByteArrayToString(buf);
}
if (name == null)
{
if (WinApi.SetupDiGetDeviceRegistryProperty(devInfo, ref devInfoData, WinApi.SPDRP_DEVICEDESC, IntPtr.Zero, buf, (uint)buf.Length, out reqBufSize))
{
name = WinApi.ByteArrayToString(buf);
}
}
if (WinApi.SetupDiGetDeviceRegistryProperty(devInfo, ref devInfoData, WinApi.SPDRP_HARDWAREID, IntPtr.Zero, buf, (uint)buf.Length, out reqBufSize))
{
string[] tokens = WinApi.MarshalMultiStringToStringArray(buf);
hardwareId = String.Join(";", tokens);
}
if (WinApi.SetupDiGetDeviceRegistryProperty(devInfo, ref devInfoData, WinApi.SPDRP_PHYSICAL_DEVICE_OBJECT_NAME, IntPtr.Zero, buf, (uint)buf.Length, out reqBufSize))
{
physicalDeviceObjectName = WinApi.ByteArrayToString(buf);
}
if (WinApi.SetupDiGetDeviceRegistryProperty(devInfo, ref devInfoData, WinApi.SPDRP_CAPABILITIES, IntPtr.Zero, buf, (uint)buf.Length, out reqBufSize))
{
capabilities = BitConverter.ToUInt32(buf, 0);
}
if (name != null && hardwareId != null)
{
device = new Device(devInfo, devInfoData, name, hardwareId, physicalDeviceObjectName, capabilities);
}
return(device);
}
