Initial move from old twain-in-dotnet.

NTwain/Values/DataValues.cs

@@ -0,0 +1,749 @@
+// The MIT License (MIT)
+// Copyright (c) 2013 Yin-Chun Wang
+//
+// Permission is hereby granted, free of charge, to any person obtaining a 
+// copy of this software and associated documentation files (the "Software"), 
+// to deal in the Software without restriction, including without limitation 
+// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+// and/or sell copies of the Software, and to permit persons to whom the 
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included 
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
+// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 
+// OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+using System;
+using NTwain.Data;
+
+namespace NTwain.Values
+{
+	public enum Direction
+	{
+		Invalid = 0,
+		Get = 1,
+		Set = 2
+	}
+
+	public enum FileType
+	{
+		Camera = 0,
+		CameraTop = 1,
+		CameraBottom = 2,
+		CameraPreview = 3,
+		Domain = 4,
+		Host = 5,
+		Directory = 6,
+		Image = 7,
+		Unknown = 8
+	}
+
+	public enum PaletteType : ushort
+	{
+		Rgb = 0,
+		Gray = 1,
+		Cmy = 2
+	}
+
+	public enum Country : ushort
+	{
+		None = 0,
+		Afghanistan = 1001,
+		Algeria = 213,
+		AmericanSamoa = 684,
+		Andorra = 033,
+		Angola = 1002,
+		Anguilla = 8090,
+		Antigua = 8091,
+		Argentina = 54,
+		Aruba = 297,
+		AscensionI = 247,
+		Australia = 61,
+		Austria = 43,
+		Bahamas = 8092,
+		Bahrain = 973,
+		Bangladesh = 880,
+		Barbados = 8093,
+		Belgium = 32,
+		Belize = 501,
+		Benin = 229,
+		Bermuda = 8094,
+		Bhutan = 1003,
+		Bolivia = 591,
+		Botswana = 267,
+		Britain = 6,
+		BritVirginIs = 8095,
+		Brazil = 55,
+		Brunei = 673,
+		Bulgaria = 359,
+		BurkinaFaso = 1004,
+		Burma = 1005,
+		Burundi = 1006,
+		Camaroon = 237,
+		Canada = 2,
+		CapeVerdeIs = 238,
+		CaymanIs = 8096,
+		CentralAfrep = 1007,
+		Chad = 1008,
+		Chile = 56,
+		China = 86,
+		ChristmasIs = 1009,
+		CocosLs = 1009,
+		Colombia = 57,
+		Comoros = 1010,
+		Congo = 1011,
+		CookIs = 1012,
+		Costarica = 506,
+		Cuba = 005,
+		Cyprus = 357,
+		Czechoslovakia = 42,
+		Denmark = 45,
+		Djibouti = 1013,
+		Dominica = 8097,
+		DomincanRep = 8098,
+		EasterIs = 1014,
+		Ecuador = 593,
+		Egypt = 20,
+		ElSalvador = 503,
+		Eqguinea = 1015,
+		Ethiopia = 251,
+		FalklandIs = 1016,
+		FaeroeIs = 298,
+		FijiIslands = 679,
+		Finland = 358,
+		France = 33,
+		Frantilles = 596,
+		Frguiana = 594,
+		Frpolyneisa = 689,
+		Futanais = 1043,
+		Gabon = 241,
+		Gambia = 220,
+		Germany = 49,
+		Ghana = 233,
+		Gibralter = 350,
+		Greece = 30,
+		Greenland = 299,
+		Grenada = 8099,
+		Grenedines = 8015,
+		Guadeloupe = 590,
+		Guam = 671,
+		GuantanamoBay = 5399,
+		Guatemala = 502,
+		Guinea = 224,
+		GuineaBissau = 1017,
+		Guyana = 592,
+		Haiti = 509,
+		Honduras = 504,
+		HongKong = 852,
+		Hungary = 36,
+		Iceland = 354,
+		India = 91,
+		Indonesia = 62,
+		Iran = 98,
+		Iraq = 964,
+		Ireland = 353,
+		Israel = 972,
+		Italy = 39,
+		IvoryCoast = 225,
+		Jamaica = 8010,
+		Japan = 81,
+		Jordan = 962,
+		Kenya = 254,
+		Kiribati = 1018,
+		Korea = 82,
+		Kuwait = 965,
+		Laos = 1019,
+		Lebanon = 1020,
+		Liberia = 231,
+		Libya = 218,
+		Liechtenstein = 41,
+		Luxenbourg = 352,
+		Macao = 853,
+		Madagascar = 1021,
+		Malawi = 265,
+		Malaysia = 60,
+		Maldives = 960,
+		Mali = 1022,
+		Malta = 356,
+		MarshallIs = 692,
+		Mauritania = 1023,
+		Mauritius = 230,
+		Mexico = 3,
+		Micronesia = 691,
+		Miquelon = 508,
+		Monaco = 33,
+		Mongolia = 1024,
+		Montserrat = 8011,
+		Morocco = 212,
+		Mozambique = 1025,
+		Namibia = 264,
+		Nauru = 1026,
+		Nepal = 977,
+		Netherlands = 31,
+		NethAntilles = 599,
+		Nevis = 8012,
+		NewCaledonia = 687,
+		NewZealand = 64,
+		Nicaragua = 505,
+		Niger = 227,
+		Nigeria = 234,
+		Niue = 1027,
+		NorfolkI = 1028,
+		Norway = 47,
+		Oman = 968,
+		Pakistan = 92,
+		Palau = 1029,
+		Panama = 507,
+		Paraguay = 595,
+		Peru = 51,
+		Phillippines = 63,
+		PitcairnIs = 1030,
+		PNewGuinea = 675,
+		Poland = 48,
+		Portugal = 351,
+		Qatar = 974,
+		Reunioni = 1031,
+		Romania = 40,
+		Rwanda = 250,
+		Saipan = 670,
+		SanMarino = 39,
+		Saotome = 1033,
+		SaudiArabia = 966,
+		Senegal = 221,
+		Seychellesis = 1034,
+		Sierraleone = 1035,
+		Singapore = 65,
+		Solomonis = 1036,
+		Somali = 1037,
+		SouthAfrica = 27,
+		Spain = 34,
+		Srilanka = 94,
+		Sthelena = 1032,
+		Stkitts = 8013,
+		Stlucia = 8014,
+		Stpierre = 508,
+		Stvincent = 8015,
+		Sudan = 1038,
+		Suriname = 597,
+		Swaziland = 268,
+		Sweden = 46,
+		Switzerland = 41,
+		Syria = 1039,
+		Taiwan = 886,
+		Tanzania = 255,
+		Thailand = 66,
+		Tobago = 8016,
+		Togo = 228,
+		Tongais = 676,
+		Trinidad = 8016,
+		Tunisia = 216,
+		Turkey = 90,
+		TurksCaicos = 8017,
+		Tuvalu = 1040,
+		Uganda = 256,
+		Ussr = 7,
+		UAEmirates = 971,
+		UnitedKingdom = 44,
+		Usa = 1,
+		Uruguay = 598,
+		Vanuatu = 1041,
+		VaticanCity = 39,
+		Venezuela = 58,
+		Wake = 1042,
+		WallisIs = 1043,
+		WesternSahara = 1044,
+		WesternSamoa = 1045,
+		Yemen = 1046,
+		Yugoslavia = 38,
+		Zaire = 243,
+		Zambia = 260,
+		Zimbabwe = 263,
+		/* Added For 1.8 */
+		Albania = 355,
+		Armenia = 374,
+		Azerbaijan = 994,
+		Belarus = 375,
+		BosniaHerzgo = 387,
+		Cambodia = 855,
+		Croatia = 385,
+		CzechRepublic = 420,
+		Diegogarcia = 246,
+		Eritrea = 291,
+		Estonia = 372,
+		Georgia = 995,
+		Latvia = 371,
+		Lesotho = 266,
+		Lithuania = 370,
+		Macedonia = 389,
+		Mayotteis = 269,
+		Moldova = 373,
+		Myanmar = 95,
+		NorthKorea = 850,
+		PuertoRico = 787,
+		Russia = 7,
+		Serbia = 381,
+		Slovakia = 421,
+		Slovenia = 386,
+		SouthKorea = 82,
+		Ukraine = 380,
+		USVirginIs = 340,
+		Vietnam = 84,
+	}
+
+	[Flags]
+	public enum DataGroups : uint
+	{
+		None = 0,
+		Control = 0x1,
+		Image = 0x2,
+		Audio = 0x4
+	}
+
+	[Flags]
+	public enum DataFunctionalities : uint
+	{
+		None = 0,
+		Dsm2 = 0x10000000,
+		App2 = 0x20000000,
+		DS2 = 0x40000000,
+	}
+
+	public enum DataArgumentType : ushort
+	{
+		None = 0,
+		// control group
+		Capability = 0x1,
+		Event = 0x2,
+		Identity = 0x3,
+		Parent = 0x4,
+		PendingXfers = 0x5,
+		SetupMemXfer = 0x6,
+		SetupFileXfer = 0x7,
+		Status = 0x8,
+		UserInterface = 0x9,
+		XferGroup = 0xa,
+		CustomDSData = 0xc,
+		DeviceEvent = 0xd,
+		FileSystem = 0xe,
+		PassThru = 0xf,
+		Callback = 0x10,
+		StatusUtf8 = 0x11,
+		Callback2 = 0x12,
+
+		// image group
+		ImageInfo = 0x101,
+		ImageLayout = 0x102,
+		ImageMemXfer = 0x103,
+		ImageNativeXfer = 0x104,
+		ImageFileXfer = 0x105,
+		CieColor = 0x106,
+		GrayResponse = 0x107,
+		RgbResponse = 0x108,
+		JpegCompression = 0x109,
+		Palette8 = 0x10a,
+		ExtImageInfo = 0x10b,
+
+		// audio group
+		AudioFileXfer = 0x201,
+		AudioInfo = 0x202,
+		AudioNativeXfer = 0x203,
+
+		// crap
+		IccProfile = 0x401,
+		ImageMemFileXfer = 0x402,
+		EntryPoint = 0x403,
+	}
+
+	public enum Message : ushort
+	{
+		Null = 0,
+		CustomBase = 0x8000,
+		Get = 0x1,
+		GetCurrent = 0x2,
+		GetDefault = 0x3,
+		GetFirst = 0x4,
+		GetNext = 0x5,
+		Set = 0x6,
+		Reset = 0x7,
+		QuerySupport = 0x8,
+		GetHelp = 0x9,
+		GetLabel = 0xa,
+		GetLabelEnum = 0xb,
+
+		XferReady = 0x101,
+		CloseDSReq = 0x102,
+		CloseDSOK = 0x103,
+		DeviceEvent = 0x104,
+
+		OpenDsm = 0x301,
+		CloseDsm = 0x302,
+
+		OpenDS = 0x401,
+		CloseDS = 0x402,
+		UserSelect = 0x403,
+
+		DisableDS = 0x501,
+		EnableDS = 0x502,
+		EnableDSUIOnly = 0x503,
+
+		ProcessEvent = 0x601,
+
+		EndXfer = 0x701,
+		StopFeeder = 0x702,
+
+		ChangeDirectory = 0x801,
+		CreateDirectory = 0x802,
+		Delete = 0x803,
+		FormatMedia = 0x804,
+		GetClose = 0x805,
+		GetFirstFile = 0x806,
+		GetInfo = 0x807,
+		GetNextFile = 0x808,
+		Rename = 0x809,
+		Copy = 0x80a,
+		AutomaticCaptureDirectory = 0x80b,
+
+		PassThru = 0x901,
+		RegisterCallback = 0x902,
+		ResetAll = 0xa01,
+	}
+
+	/// <summary>
+	/// Indicates the type of capability.
+	/// </summary>
+	public enum CapabilityId : ushort
+	{
+		None = 0,
+		CustomBase = 0x8000, /* Base of custom capabilities */
+
+		/* all data sources are REQUIRED to support these caps */
+		CapXferCount = 0x0001,
+
+		/* image data sources are REQUIRED to support these caps */
+		ICapCompression = 0x0100,
+		ICapPixelType = 0x0101,
+		ICapUnits = 0x0102, /* default is TWUN_INCHES */
+		ICapXferMech = 0x0103,
+
+		/* all data sources MAY support these caps */
+		CapAuthor = 0x1000,
+		CapCaption = 0x1001,
+		CapFeederEnabled = 0x1002,
+		CapFeederLoaded = 0x1003,
+		CapTimeDate = 0x1004,
+		CapSupportedCaps = 0x1005,
+		CapExtendedCaps = 0x1006,
+		CapAutoFeed = 0x1007,
+		CapClearPage = 0x1008,
+		CapFeedPage = 0x1009,
+		CapRewindPage = 0x100a,
+		CapIndicators = 0x100b,   /* Added 1.1 */
+		CapSupportedCapsExt = 0x100c,   /* Added 1.6 */
+		CapPaperDetectable = 0x100d,   /* Added 1.6 */
+		CapUIControllable = 0x100e,   /* Added 1.6 */
+		CapDeviceOnline = 0x100f,   /* Added 1.6 */
+		CapAutoScan = 0x1010,   /* Added 1.6 */
+		CapThumbnailsEnabled = 0x1011,   /* Added 1.7 */
+		CapDuplex = 0x1012,   /* Added 1.7 */
+		CapDuplexEnabled = 0x1013,   /* Added 1.7 */
+		CapEnableDSUIOnly = 0x1014,   /* Added 1.7 */
+		CapCustomDSData = 0x1015,   /* Added 1.7 */
+		CapEndorser = 0x1016,   /* Added 1.7 */
+		CapJobControl = 0x1017,   /* Added 1.7 */
+		CapAlarms = 0x1018,   /* Added 1.8 */
+		CapAlarmVolume = 0x1019,   /* Added 1.8 */
+		CapAutomaticCapture = 0x101a,   /* Added 1.8 */
+		CapTimeBeforeFirstCapture = 0x101b,   /* Added 1.8 */
+		CapTimeBetweenCaptures = 0x101c,   /* Added 1.8 */
+		CapClearBuffers = 0x101d,   /* Added 1.8 */
+		CapMaxBatchBuffers = 0x101e,   /* Added 1.8 */
+		CapDeviceTimeDate = 0x101f,   /* Added 1.8 */
+		CapPowerSupply = 0x1020,   /* Added 1.8 */
+		CapCameraPreviewUI = 0x1021,   /* Added 1.8 */
+		CapDeviceEvent = 0x1022,   /* Added 1.8 */
+		CapSerialNumber = 0x1024,   /* Added 1.8 */
+		CapPrinter = 0x1026,   /* Added 1.8 */
+		CapPrinterEnabled = 0x1027,   /* Added 1.8 */
+		CapPrinterIndex = 0x1028,   /* Added 1.8 */
+		CapPrinterMode = 0x1029,   /* Added 1.8 */
+		CapPrinterString = 0x102a,   /* Added 1.8 */
+		CapPrinterSuffix = 0x102b,   /* Added 1.8 */
+		CapLanguage = 0x102c,   /* Added 1.8 */
+		CapFeederAlignment = 0x102d,   /* Added 1.8 */
+		CapFeederOrder = 0x102e,   /* Added 1.8 */
+		CapReacquireAllowed = 0x1030,   /* Added 1.8 */
+		CapBatteryMinutes = 0x1032,   /* Added 1.8 */
+		CapBatteryPercentage = 0x1033,   /* Added 1.8 */
+		CapCameraSide = 0x1034,   /* Added 1.91 */
+		CapSegmented = 0x1035,   /* Added 1.91 */
+		CapCameraEnabled = 0x1036,   /* Added 2.0 */
+		CapCameraOrder = 0x1037,   /* Added 2.0 */
+		CapMicrEnabled = 0x1038,   /* Added 2.0 */
+		CapFeederPrep = 0x1039,   /* Added 2.0 */
+		CapFeederPocket = 0x103a,   /* Added 2.0 */
+		CapAutomaticSenseMedium = 0x103b,   /* Added 2.1 */
+		CapCustomInterfaceGuid = 0x103c,   /* Added 2.1 */
+		CapSUPPORTEDCAPSSEGMENTUNIQUE = 0x103d,
+		CapSUPPORTEDDATS = 0x103e,
+		CapDoubleFeedDetection = 0x103f,
+		CapDoubleFeedDetectionLength = 0x1040,
+		CapDoubleFeedDetectionSensitivity = 0x1041,
+		CapDoubleFeedDetectionResponse = 0x1042,
+		CapPaperHandling = 0x1043,
+		CapIndicatorsMode = 0x1044,
+		CapPrinterVerticalOffset = 0x1045,
+		CapPowerSaveTime = 0x1046,
+
+		/* image data sources MAY support these caps */
+		ICapAutoBright = 0x1100,
+		ICapBrightness = 0x1101,
+		ICapContrast = 0x1103,
+		ICapCustHalftone = 0x1104,
+		ICapExposureTime = 0x1105,
+		ICapFilter = 0x1106,
+		ICapFlashUsed = 0x1107,
+		ICapGamma = 0x1108,
+		ICapHalftones = 0x1109,
+		ICapHighlight = 0x110a,
+		ICapImageFileFormat = 0x110c,
+		ICapLampState = 0x110d,
+		ICapLightSource = 0x110e,
+		ICapOrientation = 0x1110,
+		ICapPhysicalWidth = 0x1111,
+		ICapPhysicalHeight = 0x1112,
+		ICapShadow = 0x1113,
+		ICapFrames = 0x1114,
+		ICapXNativeResolution = 0x1116,
+		ICapYNativeResolution = 0x1117,
+		ICapXResolution = 0x1118,
+		ICapYResolution = 0x1119,
+		ICapMaxFrames = 0x111a,
+		ICapTiles = 0x111b,
+		ICapBitOrder = 0x111c,
+		ICapCCITTKFactor = 0x111d,
+		ICapLightPath = 0x111e,
+		ICapPixelFlavor = 0x111f,
+		ICapPlanarChunky = 0x1120,
+		ICapRotation = 0x1121,
+		ICapSupportedSizes = 0x1122,
+		ICapThreshold = 0x1123,
+		ICapXScaling = 0x1124,
+		ICapYScaling = 0x1125,
+		ICapBitOrderCodes = 0x1126,
+		ICapPixelFlavorCodes = 0x1127,
+		ICapJpegPixelType = 0x1128,
+		ICapTimeFill = 0x112a,
+		ICapBitDepth = 0x112b,
+		ICapBitDepthReduction = 0x112c,  /* Added 1.5 */
+		ICapUndefinedImageSize = 0x112d,  /* Added 1.6 */
+		ICapImageDataset = 0x112e,  /* Added 1.7 */
+		ICapExtImageInfo = 0x112f,  /* Added 1.7 */
+		ICapMinimumHeight = 0x1130,  /* Added 1.7 */
+		ICapMinimumWidth = 0x1131,  /* Added 1.7 */
+		ICapAutoDiscardBlankPages = 0x1134,  /* Added 2.0 */
+		ICapFlipRotation = 0x1136,  /* Added 1.8 */
+		ICapBarcodeDetectionEnabled = 0x1137,  /* Added 1.8 */
+		ICapSupportedBARCODETYPES = 0x1138,  /* Added 1.8 */
+		ICapBarcodeMaxSearchPriorities = 0x1139,  /* Added 1.8 */
+		ICapBarcodeSearchPriorities = 0x113a,  /* Added 1.8 */
+		ICapBarcodeSearchMode = 0x113b,  /* Added 1.8 */
+		ICapBarcodeMaxRetries = 0x113c,  /* Added 1.8 */
+		ICapBarcodeTimeout = 0x113d,  /* Added 1.8 */
+		ICapZoomFactor = 0x113e,  /* Added 1.8 */
+		ICapPatchCodeDetectionEnabled = 0x113f,  /* Added 1.8 */
+		ICapSupportedPatchCodeTypes = 0x1140,  /* Added 1.8 */
+		ICapPatchCodeMaxSearchPriorities = 0x1141,  /* Added 1.8 */
+		ICapPatchCodeSearchPriorities = 0x1142,  /* Added 1.8 */
+		ICapPatchCodeSearchMode = 0x1143,  /* Added 1.8 */
+		ICapPatchCodeMaxRetries = 0x1144,  /* Added 1.8 */
+		ICapPatchCodeTimeout = 0x1145,  /* Added 1.8 */
+		ICapFlashUsed2 = 0x1146,  /* Added 1.8 */
+		ICapImageFilter = 0x1147,  /* Added 1.8 */
+		ICapNoiseFilter = 0x1148,  /* Added 1.8 */
+		ICapOverscan = 0x1149,  /* Added 1.8 */
+		ICapAutomaticBorderDetection = 0x1150,  /* Added 1.8 */
+		ICapAutomaticDeskew = 0x1151,  /* Added 1.8 */
+		ICapAutomaticRotate = 0x1152,  /* Added 1.8 */
+		ICapJpegQuality = 0x1153,  /* Added 1.9 */
+		ICapFeederTYPE = 0x1154,  /* Added 1.91 */
+		ICapICCProfile = 0x1155,  /* Added 1.91 */
+		ICapAutoSize = 0x1156,  /* Added 2.0 */
+		ICapAutomaticCropUsesFrame = 0x1157,  /* Added 2.1 */
+		ICapAutomaticLengthDetection = 0x1158,  /* Added 2.1 */
+		ICapAutomaticColorEnabled = 0x1159,  /* Added 2.1 */
+		ICapAutomaticColorNonColorPixelType = 0x115a,  /* Added 2.1 */
+		ICapColorManagementEnabled = 0x115b,  /* Added 2.1 */
+		ICapImageMerge = 0x115c,  /* Added 2.1 */
+		ICapImageMergeHeightThreshold = 0x115d,  /* Added 2.1 */
+		ICapSupportedExtImageInfo = 0x115e,  /* Added 2.1 */
+		ICapFilmType = 0x115f,
+		ICapMirror = 0x1160,
+		ICapJpegSubSampling = 0x1161,
+
+		/* image data sources MAY support these audio caps */
+		ACapXferMech = 0x1202,  /* Added 1.8 */
+
+	}
+
+	public enum ReturnCode : ushort
+	{
+		Success = 0,
+		Failure = 1,
+		CheckStatus = 2,
+		Cancel = 3,
+		DSEvent = 4,
+		NotDSEvent = 5,
+		XferDone = 6,
+		EndOfList = 7,
+		InfoNotSupported = 8,
+		DataNotAvailable = 9,
+		Busy = 10,
+		ScannerLocked = 11,
+		CustomBase = 0x8000
+	}
+
+	public enum ConditionCode : ushort
+	{
+		Success = 0,
+		Bummer = 1,
+		LowMemory = 2,
+		NoDS = 3,
+		MaxConnections = 4,
+		OperationError = 5,
+		BadCap = 6,
+		BadProtocol = 9,
+		BadValue = 10,
+		SeqError = 11,
+		BadDest = 12,
+		CapUnsupported = 13,
+		CapBadOperation = 14,
+		CapSeqError = 15,
+		Denied = 16,
+		FileExists = 17,
+		FileNotFound = 18,
+		NotEmpty = 19,
+		PaperJam = 20,
+		PaperDoubleFeed = 21,
+		FileWriteError = 22,
+		CheckDeviceOnline = 23,
+
+		Interlock = 24,
+		DamagedCorner = 25,
+		FocusError = 26,
+		DocTooLight = 27,
+		DocTooDark = 28,
+		NoMedia = 29,
+
+		CustomBase = 0x8000
+	}
+
+	/// <summary>
+	/// Indicates the type of container used in capability.
+	/// </summary>
+	public enum ContainerType : ushort
+	{
+		Invalid = 0,
+		/// <summary>
+		/// The container is <see cref="TWArray"/>.
+		/// </summary>
+		Array = 3,
+		/// <summary>
+		/// The container is <see cref="TWEnumeration"/>.
+		/// </summary>
+		Enum = 4,
+		/// <summary>
+        /// The container is <see cref="TWOneValue"/>.
+		/// </summary>
+		OneValue = 5,
+		/// <summary>
+		/// The container is <see cref="TWRange"/>.
+		/// </summary>
+		Range = 6,
+		DontCare = TwainConst.DontCare16,
+	}
+
+	/// <summary>
+	/// The data types of item in TWAIN, used in the
+	/// capability containers.
+	/// </summary>
+	public enum ItemType : ushort
+	{
+		/// <summary>
+		/// Means Item is a an 8 bit value.
+		/// </summary>
+		Int8 = 0,
+		/// <summary>
+		/// Means Item is a 16 bit value.
+		/// </summary>
+		Int16 = 1,
+		/// <summary>
+		/// Means Item is a 32 bit value.
+		/// </summary>
+		Int32 = 2,
+		/// <summary>
+		/// Means Item is an unsigned 8 bit value.
+		/// </summary>
+		UInt8 = 3,
+		/// <summary>
+		/// Means Item is an unsigned 16 bit value.
+		/// </summary>
+		UInt16 = 4,
+		/// <summary>
+		/// Means Item is an unsigned 32 bit value.
+		/// </summary>
+		UInt32 = 5,
+		/// <summary>
+		/// Means Item is an unsigned 16 bit value (supposedly, YMMV).
+		/// </summary>
+		Bool = 6,
+		/// <summary>
+		/// Means Item is a <see cref="Fix32"/>.
+		/// </summary>
+		Fix32 = 7,
+		/// <summary>
+		/// Means Item is a <see cref="Frame"/>.
+		/// </summary>
+		Frame = 8,
+		/// <summary>
+		/// Means Item is a 32 char string (max).
+		/// </summary>
+		String32 = 9,
+		/// <summary>
+		/// Means Item is a 64 char string (max).
+		/// </summary>
+		String64 = 0xa,
+		/// <summary>
+		/// Means Item is a 128 char string (max).
+		/// </summary>
+		String128 = 0xb,
+		/// <summary>
+		/// Means Item is a char string shorter than 255.
+		/// </summary>
+		String255 = 0xc,
+		String1024 = 0xd,
+		Unicode512 = 0xe,
+		/// <summary>
+		/// Means Item is a handle (pointer).
+		/// </summary>
+		Handle = 0xf
+	}
+
+	/// <summary>
+	/// Flags used in <see cref="TWMemory"/>.
+	/// </summary>
+	[Flags]
+	public enum MemoryFlags : uint
+	{
+		Invalid = 0,
+		AppOwns = 0x1,
+		DsmOwns = 0x2,
+		DSOwns = 0x4,
+		Pointer = 0x8,
+		Handle = 0x10
+	}
+}