internal DeviceInterfaceInstance(string link_path, Guid class_guid)
{
SymbolicLinkPath = link_path;
Class = class_guid;
InstanceId = DeviceUtils.GetProperty(link_path,
DevicePropertyKeys.DEVPKEY_Device_InstanceId).GetString();
_device_path = new Lazy <string>(MapWin32ToDevicePath);
_properties = new Lazy <List <DeviceProperty> >(GetAllProperties);
}
private static Guid GetDeviceInterfaceClass(string link_path)
{
return(DeviceUtils.GetProperty(link_path,
DevicePropertyKeys.DEVPKEY_DeviceInterface_ClassGuid).GetGuid()
?? throw new ArgumentException("Unknown device interface instance."));
}
private SecurityDescriptor GetSecurityDescriptor()
{
return(DeviceUtils.GetProperty(_devinst,
DevicePropertyKeys.DEVPKEY_Device_Security)?.GetSecurityDescriptor());
}