DeviceChangeNotification.cs

using System.Runtime.InteropServices;

namespace MarvinsAIRA
{
	class DeviceChangeNotification
	{
		#region Constants

		public static readonly Guid USB_HID_GUID = new( "4d1e55b2-f16f-11cf-88cb-001111000030" );

		public const ushort DBT_DEVICEARRIVAL = 0x8000;
		public const ushort DBT_DEVICEREMOVECOMPLETE = 0x8004;
		public const ushort DBT_DEVTYP_DEVICEINTERFACE = 0x0005;

		public const int DEVICE_NOTIFY_WINDOW_HANDLE = 0x0000;

		#endregion

		#region Device Change Structures

		[StructLayout( LayoutKind.Sequential )]
		public class DEV_BROADCAST_DEVICEINTERFACE
		{
			public int dbcc_size;
			public int dbcc_devicetype;
			public int dbcc_reserved;
			public Guid dbcc_classguid;
			public char dbcc_name;
		}

		[StructLayout( LayoutKind.Sequential, CharSet = CharSet.Unicode )]
		public class DEV_BROADCAST_DEVICEINTERFACE_1
		{
			public int dbcc_size;
			public int dbcc_devicetype;
			public int dbcc_reserved;
			public Guid dbcc_classguid;
			[MarshalAs( UnmanagedType.ByValArray, SizeConst = 255 )]
			public char[] dbcc_name;
		}

		[StructLayout( LayoutKind.Sequential )]
		public class DEV_BROADCAST_HDR
		{
			public int dbch_size;
			public int dbch_devicetype;
			public int dbch_reserved;
		}

		#endregion
	}
}