Description:

This enumeration specifies ImageGear TWAIN capabilities.

Values:

IG_TW_CAP_CUSTOMBASE	Base of custom capabilities.
IG_TW_CAP_XFERCOUNT	Number of images the application is willing to accept during this session.
IG_TW_ICAP_COMPRESSION	Buffered Memory transfer compression schemes.
IG_TW_ICAP_PIXELTYPE	The type of pixel data (B/W, gray, color, etc.). Uses enumIGTWAINPixelType values.
IG_TW_ICAP_UNITS	Unit of measure (inches, centimeters, etc.). Uses enumIGTWAINUnits values.
IG_TW_ICAP_XFERMECH	Transfer mechanism - used to learn options and set-up for upcoming transfer. Uses enumIGTWAINXferType values.
IG_TW_CAP_AUTHOR	The name or other identifying information about the Author of the image. It may include a copyright string.
IG_TW_CAP_CAPTION	A general note about the acquired image.
IG_TW_CAP_FEEDERENABLED	If TRUE, Source's feeder is available.
IG_TW_CAP_FEEDERLOADED	If TRUE, Source has documents loaded in feeder (get only).
IG_TW_CAP_TIMEDATE	Date and Time the image was acquired.
IG_TW_CAP_SUPPORTEDCAPS	Inquire valid capabilities for Source.
IG_TW_CAP_EXTENDEDCAPS	Capabilities negotiated in States 5 & 6.
IG_TW_CAP_AUTOFEED	Set to TRUE to enable Source's automatic feeding.
IG_TW_CAP_CLEARPAGE	Set to TRUE to eject current page and leave acquire area empty.
IG_TW_CAP_FEEDPAGE	Set to TRUE to eject current page and feed next page.
IG_TW_CAP_REWINDPAGE	Set to TRUE to do a reverse feed.
IG_TW_CAP_INDICATORS	Use the Source's progress indicator (valid only when ShowUI==FALSE).
IG_TW_CAP_SUPPORTEDCAPSEXT	Undocumented TWAIN capability.
IG_TW_CAP_PAPERDETECTABLE	Determines whether source can detect documents on the ADF or flatbed.
IG_TW_CAP_UICONTROLLABLE	Indicates that Source supports acquisitions with UI disabled.
IG_TW_CAP_DEVICEONLINE	Determines if hardware is on and ready.
IG_TW_CAP_AUTOSCAN	Enables the source's automatic document scanning process.
IG_TW_CAP_THUMBNAILSENABLED	Allows an application to request the delivery of thumbnail representations for the set of images that are to be delivered.
IG_TW_CAP_DUPLEX	This indicates whether the scanner supports duplex. If so, it further indicates whether one-path or two-path duplex is supported. Uses enumIGTWAINDuplex values.
IG_TW_CAP_DUPLEXENABLED	The user can set the duplex option to be TRUE or FALSE. If TRUE, the scanner scans both sides of a paper; otherwise, the scanner will scan only one side of the image.
IG_TW_CAP_ENABLEDSUIONLY	Queries an application to see if it implements the new user interface settings dialog.
IG_TW_CAP_CUSTOMDSDATA	Allows the application to query the data source to see if it supports the new operation triplets DG_CONTROL/DAT_CUSTOMDSDATA/MSG_GET and DG_CONTROL/DAT_CUSTOMDSDATA/MSG_SET.
IG_TW_CAP_ENDORSER	Allows the application to specify the starting endorser / imprinter number.
IG_TW_CAP_JOBCONTROL	Allows multiple jobs in batch mode.
IG_TW_CAP_ALARMS	Turns specific audible alarms on and off. Uses ImGearAlarms values.
IG_TW_CAP_ALARMVOLUME	The volume of a device's audible alarm. Note that this control affects the volume of all alarms; no specific volume control for individual types of alarms is provided.
IG_TW_CAP_AUTOMATICCAPTURE	The number of images to automatically capture. This does not refer to the number of images to be sent to the Application, use IG_TW_CAP_XFERCOUNT for that.
IG_TW_CAP_TIMEBEFOREFIRSTCAPTURE	Selects the number of seconds before the first picture taken.
IG_TW_CAP_TIMEBETWEENCAPTURES	Selects the hundredths of a second to wait between pictures taken.
IG_TW_CAP_CLEARBUFFERS	Getting this reports the presence of data in the scanner's buffers. Setting with a value of enumIGTWAINClearBuffers::IG_TW_CB_CLEAR immediately clears the buffers. Uses enumIGTWAINClearBuffers values.
IG_TW_CAP_MAXBATCHBUFFERS	Describes the number of pages that the scanner can buffer when IG_TW_CAP_AUTOSCAN is enabled. Uses enumIGTWAINClearBuffers values.
IG_TW_CAP_DEVICETIMEDATE	Date and time of a device's clock.
IG_TW_CAP_POWERSUPPLY	Get reports the kinds of power available; Current reports the current power supply to use. Uses enumIGTWAINPowerSupply values.
IG_TW_CAP_CAMERAPREVIEWUI	Queries the source for UI support for preview mode.
IG_TW_CAP_DEVICEEVENT	Selects which events the application wants the source to report. Uses enumIGTWAINDeviceEvents values.
IG_TW_CAP_SERIALNUMBER	The serial number of the currently selected source device.
IG_TW_CAP_PRINTER	Gets current list of available printer devices; sets the device for negotiation. Uses enumIGTWAINPrinter values.
IG_TW_CAP_PRINTERENABLED	Turns the current IG_TW_CAP_PRINTER device on or off.
IG_TW_CAP_PRINTERINDEX	Starting number for the IG_TW_CAP_PRINTER device.
IG_TW_CAP_PRINTERMODE	Specifies appropriate current IG_TW_CAP_PRINTER device mode. Uses enumIGTWAINPrinterModes values.
IG_TW_CAP_PRINTERSTRING	String(s) to be used in the string component when IG_TW_CAP_PRINTER device is enabled.
IG_TW_CAP_PRINTERSUFFIX	String to be used as current IG_TW_CAP_PRINTER device's suffix.
IG_TW_CAP_LANGUAGE	Allows application and source to identify which languages they have in common. Uses enumIGTWAINLanguages values.
IG_TW_CAP_FEEDERALIGNMENT	If TRUE, feeder is centered; FALSE if it is free-floating. Uses enumIGTWAINFeederAlignment values.
IG_TW_CAP_FEEDERORDER	Specifies whether feeder starts with top of first or last page. Uses enumIGTWAINFeederOrder values.
IG_TW_CAP_REACQUIREALLOWED	Undocumented TWAIN capability.
IG_TW_CAP_BATTERYMINUTES	The minutes of battery power remaining on a device.
IG_TW_CAP_BATTERYPERCENTAGE	Indicates battery power status.
IG_TW_ICAP_AUTOBRIGHT	Enable Source's Auto-brightness function.
IG_TW_ICAP_BRIGHTNESS	Source brightness values.
IG_TW_ICAP_CONTRAST	Source contrast values.
IG_TW_ICAP_CUSTHALFTONE	Square-cell halftone (dithering) matrix to be used.
IG_TW_ICAP_EXPOSURETIME	Exposure time used to capture the image, in seconds.
IG_TW_ICAP_FILTER	Color characteristics of the subtractive filter applied to the image data. Uses enumIGTWAINFilterType values.
IG_TW_ICAP_FLASHUSED	Specifies whether or not the image was acquired using a flash.
IG_TW_ICAP_GAMMA	Gamma correction value for the image data.
IG_TW_ICAP_HALFTONES	Source halftone patterns.
IG_TW_ICAP_HIGHLIGHT	Lightest highlight, values lighter than this value will be set to this value.
IG_TW_ICAP_IMAGEFILEFORMAT	File formats for file transfers.
IG_TW_ICAP_LAMPSTATE	Whether the lamp is on.
IG_TW_ICAP_LIGHTSOURCE	Describes the color characteristic of the light source used to acquire the image. Uses enumIGTWAINLightSource values.
IG_TW_ICAP_ORIENTATION	Defines which edge of the paper is the top: Portrait or Landscape. Uses enumIGTWAINOrientation values.
IG_TW_ICAP_PHYSICALWIDTH	Maximum width Source can acquire (in IG_TW_ICAP_UNITS).
IG_TW_ICAP_PHYSICALHEIGHT	Maximum height Source can acquire (in IG_TW_ICAP_UNITS).
IG_TW_ICAP_SHADOW	Darkest shadow, values darker than this value will be set to this value.
IG_TW_ICAP_FRAMES	Size and location of frames on page.
IG_TW_ICAP_XNATIVERESOLUTION	Native optical resolution of device for x-axis.
IG_TW_ICAP_YNATIVERESOLUTION	Native optical resolution of device for y-axis.
IG_TW_ICAP_XRESOLUTION	Current/Available optical resolutions for x-axis.
IG_TW_ICAP_YRESOLUTION	Current/Available optical resolutions for y-axis.
IG_TW_ICAP_MAXFRAMES	Maximum number of frames possible per page.
IG_TW_ICAP_TILES	Tiled image data.
IG_TW_ICAP_BITORDER	Specifies how the bytes in an image are filled by the Source. Uses enumIGTWAINBitOrder values.
IG_TW_ICAP_CCITTKFACTOR	CCITT Compression.
IG_TW_ICAP_LIGHTPATH	Image was captured transmissively or reflectively. Uses enumIGTWAINLightPath values.
IG_TW_ICAP_PIXELFLAVOR	Sense of the pixel whose numeric value is zero. Uses enumIGTWAINPixelFlavor values.
IG_TW_ICAP_PLANARCHUNKY	Color data format - Planar or Chunky. Uses enumIGTWAINColorDataFormats values.
IG_TW_ICAP_ROTATION	Source can, or should, rotate image this number of degrees.
IG_TW_ICAP_SUPPORTEDSIZES	This specifies the size(s) the Source can/should use to acquire image data. Uses enumIGTWAINSupportedSizes values.
IG_TW_ICAP_THRESHOLD	Specifies the dividing line between black and white values.
IG_TW_ICAP_XSCALING	Source Scaling value (1.0 = 100%) for x-axis.
IG_TW_ICAP_YSCALING	Source Scaling value (1.0 = 100%) for y-axis.
IG_TW_ICAP_BITORDERCODES	CCITT Compression.
IG_TW_ICAP_PIXELFLAVORCODES	CCITT Compression.
IG_TW_ICAP_JPEGPIXELTYPE	JPEG Compression.
IG_TW_ICAP_TIMEFILL	CCITT Compression.
IG_TW_ICAP_BITDEPTH	Pixel bit depth for Current value of IG_TW_ICAP_PIXELTYPE.
IG_TW_ICAP_BITDEPTHREDUCTION	Allows a choice of the reduction method for bit depth loss. Uses enumIGTWAINBitDepthReduction values.
IG_TW_ICAP_UNDEFINEDIMAGESIZE	The application will accept undefined image size.
IG_TW_ICAP_IMAGEDATASET	Gets or sets the image indices that will be delivered during the standard image transfer.
IG_TW_ICAP_EXTIMAGEINFO	Allows the application to query the data source to see if it supports the new operation triplet DG_IMAGE/DAT_EXTIMAGEINFO/MSG_GET.
IG_TW_ICAP_MINIMUMHEIGHT	Allows the source to define the minimum height (Y-axis) that the source can acquire.
IG_TW_ICAP_MINIMUMWIDTH	Allows the source to define the minimum width (X-axis) that the source can acquire.
IG_TW_ICAP_FLIPROTATION	Orients images that flip orientation every other image. Uses enumIGTWAINFlipRotation values.
IG_TW_ICAP_BARCODEDETECTIONENABLED	Turns bar code detection on and off.
IG_TW_ICAP_SUPPORTEDBARCODETYPES	Provides a list of bar code types that can be detected by current data source.
IG_TW_ICAP_BARCODEMAXSEARCHPRIORITIES	Specifies the maximum number of supported search priorities.
IG_TW_ICAP_BARCODESEARCHPRIORITIES	A prioritized list of bar code types dictating the order in which they will be sought.
IG_TW_ICAP_BARCODESEARCHMODE	Restricts bar code searching to certain orientations, or prioritizes one orientation over another. Uses enumIGTWAINBarcodeSearchModes values.
IG_TW_ICAP_BARCODEMAXRETRIES	Restricts the number of times a search will be retried if no bar codes are found.
IG_TW_ICAP_BARCODETIMEOUT	Restricts the total time spent on searching for bar codes on a page.
IG_TW_ICAP_ZOOMFACTOR	Gets all camera supported lens zooming range or sets the selected zoom value.
IG_TW_ICAP_PATCHCODEDETECTIONENABLED	Turns patch code detection on and off.
IG_TW_ICAP_SUPPORTEDPATCHCODETYPES	List of patch code types that can be detected by current data source. Uses enumIGTWAINPatchCode values.
IG_TW_ICAP_PATCHCODEMAXSEARCHPRIORITIES	Maximum number of search priorities.
IG_TW_ICAP_PATCHCODESEARCHPRIORITIES	List of patch code types dictating the order in which patch codes will be sought. Uses enumIGTWAINPatchCode values.
IG_TW_ICAP_PATCHCODESEARCHMODE	Restricts patch code searching to certain orientations, or prioritizes one orientation over another.
IG_TW_ICAP_PATCHCODEMAXRETRIES	Restricts the number of times a search will be retried if none are found on a page.
IG_TW_ICAP_PATCHCODETIMEOUT	Restricts total time for searching for a patch code on a page.
IG_TW_ICAP_FLASHUSED2	For devices that support a flash, setting selects the flash to be used; getting reports the current setting. Uses enumIGTWAINFlashUsed values.
IG_TW_ICAP_IMAGEFILTER	For devices that support image filtering, selects the algorithm to be used. Uses enumIGTWAINImageFilter values.
IG_TW_ICAP_NOISEFILTER	For devices that support noise filtering, selects the algorithm to be used. Uses enumIGTWAINNoiseFilter values.
IG_TW_ICAP_OVERSCAN	For devices that support overscanning, controls whether additional rows or columns are appended to the image. Uses enumIGTWAINOverscanModes values.
IG_TW_ICAP_AUTOMATICBORDERDETECTION	Turns automatic border detection on and off.
IG_TW_ICAP_AUTOMATICDESKEW	Turns automatic skew detection on and off.
IG_TW_ICAP_AUTOMATICROTATE	When TRUE, depends on source to automatically rotate the image.
IG_TW_ICAP_JPEGQUALITY	JPEG quality. Uses enumIGTWAINJPEGQuality values, or values in the range 0 - 100.
IG_TW_ACAP_AUDIOFILEFORMAT	Informs the application which audio file formats the Source can generate or tells the Source which audio file formats the application can handle. Uses enumIGTWAINAudioFormats values.
IG_TW_ACAP_XFERMECH	Allows the Application and Source to identify which audio transfer mechanisms they have in common.