'Declaration Public Enum DeviceCapabilityId Inherits System.Enum
public enum DeviceCapabilityId : System.Enum
__value public enum DeviceCapabilityId : public System.Enum
public enum class DeviceCapabilityId : public System.Enum
'Declaration Public Enum DeviceCapabilityId Inherits System.Enum
public enum DeviceCapabilityId : System.Enum
__value public enum DeviceCapabilityId : public System.Enum
public enum class DeviceCapabilityId : public System.Enum
| Member | Description |
|---|---|
| XferCount | The application is willing to accept this number of images. |
| ICompression | Allows the application and Source to identify which compression schemes they have in common for Buffered Memory and File transfers. |
| IPixelType | The type of pixel data that a Source is capable of acquiring (for example, black and white, gray, RGB, etc.). |
| IUnits | Determines the unit of measure for all quantities. |
| IXferMech | Allows the application and Source to identify which transfer mechanisms they have in common. |
| Author | The name or other identifying information about the Author of the image. It may include a copyright string. |
| Caption | A general note about the acquired image. |
| FeederEnabled | If TRUE, Source must acquire data from the document feeder acquire area and other feeder capabilities can be used. If FALSE, Source must acquire data from the non-feeder acquire area and no other feeder capabilities can be used. |
| FeederLoaded | Reflect whether there are documents loaded in the Source's feeder. |
| TimeDate | The date and time the image was acquired. |
| SupportedCaps | Returns a list of all the capabilities for which the Source will answer inquiries. Does not indicate which capabilities the Source will allow to be set by the application. |
| ExtendedCaps | Allows the application and Source to negotiate capabilities to be used in States 5 and 6. |
| AutoFeed | If TRUE, the Source will automatically feed the next page from the document feeder after the number of frames negotiated for capture from each page are acquired. |
| ClearPage | If TRUE, the Source will eject the current page being acquired from and will leave the feeder acquire area empty. |
| FeedPage | If TRUE, the Source will eject the current page and advance the next page in the document feeder into the feeder acquire area. |
| RewindPage | If TRUE, the Source will return the current page to the input side of the document feeder and feed the last page from the output side of the feeder back into the acquisition area. |
| Indicators | If TRUE, the Source will display a progress indicator during acquisition and transfer, regardless of whether the Source's user interface is active. If FALSE, the progress indicator will be suppressed if the Source's user interface is inactive. |
| SupportedCapsExt | Returns a list of all the capabilities for which the Source will answer inquiries. |
| PaperDetectable | This capability determines whether the device has a paper sensor that can detect documents on the ADF or Flatbed. |
| UIControllable | If TRUE, indicates that this Source supports acquisition with the UI disabled. If FALSE, indicates that this Source can only support acquisition with the UI enabled. |
| DeviceOnline | If TRUE, the physical hardware (e.g., scanner, digital camera, image database, etc.) that represents the image source is attached, powered on, and communicating. |
| AutoScan | This capability is intended to boost the performance of a Source. |
| ThumbnailsEnabled | Allows an application to request the delivery of thumbnail representations for the set of images that are to be delivered. |
| Duplex | This indicates whether the scanner supports duplex. If so, it further indicates whether one-path or two-path duplex is supported. |
| 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. |
| EnableDsUiOnly | Queries an application to see if it implements the new user interface settings dialog. |
| CustomDsData | Allows the application to query the data source to see if current settings of device can be get/set. |
| EndOrSer | Allows the application to specify the starting endorser / imprinter number. All other endorser/imprinter properties should be handled through the data source's user interface. |
| JobControl | Allows multiple jobs in batch mode. |
| Alarms | Turns specific audible alarms on and off. |
| 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. |
| AutomaticCapture | The number of images to automatically capture. This does not refer to the number of images to be sent to the Application, use DeviceCapability.XferCount for that. |
| TimeBeforeFirstCapture | For automatic capture, this value selects the number of milliseconds before the first picture is to be taken, or the first image is to be scanned. |
| TimeBetweenCaptures | For automatic capture, this value selects the milliseconds to wait between pictures taken, or images scanned. |
| ClearBuffers | MSG_GET reports the presence of data in the scanner's buffers. MSG_SET with a value of TWCB_CLEAR immediately clears the buffers. |
| MaxBatchBuffers | Describes the number of pages that the scanner can buffer when DeviceCapability.AutoScan is enabled. |
| DeviceTimeDate | The date and time of the device's clock. |
| PowerSupply | MSG_GET reports the kinds of power available to the device. MSG_GETCURRENT reports the current power supply in use. |
| CameraPreviewUI | This capability queries the Source for UI support for preview mode. If TRUE, the Source supports preview UI. |
| DeviceEvents | Specifies which events the Application wants the Source to report. |
| SerialNumber | A string containing the serial number of the currently selected device in the Source. Multiple devices may all report the same serial number. |
| Printer | MSG_GET returns the current list of available printer devices, along with the one currently being used for negotiation. |
| PrinterEnabled | Turns the current DeviceCapability.Printer device on or off. |
| PrinterIndex | The User can set the starting number for the current DeviceCapability.Printer device. |
| PrinterMode | Specifies the appropriate current DeviceCapability.Printer device mode. |
| PrinterString | Specifies the string(s) that are to be used in the string component when the current DeviceCapability.Printer device is enabled. |
| PrinterSuffix | Specifies the string that shall be used as the current DeviceCapability.Printer device's suffix. |
| Language | Allows Application and Source to identify which languages they have in common for the exchange of string data, and to select the language of the internal UI. |
| FeederAlignment | Helps the Application determine any special actions it may need to take when negotiating frames with the Source. |
| FeederOrder | TWFO_FIRSTPAGEFIRST if the feeder starts with the top of the first page. TWFO_LASTPAGEFIRST is the feeder starts with the top of the last page. |
| ReacquireAllowed | Indicates whether the physical hardware (e.g. scanner, digital camera) is capable of acquiring multiple images of the same page without changes to the physical registration of that page. |
| BatteryMinutes | The minutes of battery power remaining to the device. |
| BatteryPercentage | When used with MSG_GET, return the percentage of battery power level on camera. If -1 is returned, it indicates that the battery is not present. |
| CameraSide | Sets the top and bottom values of cameras in a scanning device. Supported from TWAIN 1.91. |
| Segmented | Describes the segmentation setting for captured images. Supported from TWAIN 1.91. |
| AutomaticSenseMedium | Specifies whether to acquire images from the Automatic Document Feeder or from the Flatbed. |
| CameraEnabled | Delivers images from the current camera. Supported from TWAIN 2.0. |
| CameraOrder | Selects the order of output for Single Document Multiple Image mode. Supported from TWAIN 2.0. |
| MicrEnabled | Enables actions needed to support check scanning. Supported from TWAIN 2.0. |
| FeederPrep | Improve the movement of paper through a scanner ADF. Supported from TWAIN 2.0. |
| FeederPocket | Report what pockets are available as paper leaves a device. Supported from TWAIN 2.0. |
| CustomInterfaceGuid | Uniquely identifies an interface for a Data Source. Supported from TWAIN 2.1. |
| SupportedCapsSegmentUnique | For Sources that allow unique values to be set for things like the top and bottom or for each segment on a page. Returns a list of all the capabilities for which the Source allows to have unique values. Supported from TWAIN 2.2. |
| SupportedDats | Returns a list of all the Data Argument Types (DAT_xxx) for which the Source will answer inquiries. Supported from TWAIN 2.2. |
| DoubleFeedDetection | Controls the way the data source detects double feed events. |
| DoubleFeedDetectionLength | Adjusts double feed detection for document length. |
| DoubleFeedDetectionSensitivity | Adjusts double feed detection for ultrasonic. |
| DoubleFeedDetectionResponse | Adjusts how the data source handles double feed events. |
| PaperHandling | Control paper handling. |
| IndicatorsMode | Controls GUI messages allowed when the full GUI isn't being displayed. Supported from TWAIN 2.2. |
| PrinterVerticalOffset | Y-Offset for current Printer device. Supported from TWAIN 2.2. |
| PowerSaveTime | Gets or sets the camera power down timer in seconds. Supported from TWAIN 1.8. |
| ISupportedExtImageInfo | Lists all of the information that the Source is capable of returning from a call to DAT_EXTIMAGEINFO. Supported from TWAIN 2.1. |
| IAutoBright | TRUE enables and FALSE disables the Source's Auto-brightness function (if any). |
| IBrightness | The brightness values available within the Source. |
| IContrast | The contrast values available within the Source. |
| ICustomHalftone | Specifies the square-cell halftone (dithering) matrix the Source should use to halftone the image. |
| IExposureTime | Specifies the exposure time used to capture the image, in seconds. |
| IFilter | Describes the color characteristic of the subtractive filter applied to the image data. Multiple filters may be applied to a single acquisition. |
| IFlashUsed | Specifies whether or not the image was acquired using a flash. |
| IGamma | Gamma correction value for the image data. |
| IHalftones | A list of names of the halftone patterns available within the Source. |
| IHighlight | Specifies which value in an image should be interpreted as the lightest "highlight." |
| IImageFileFormat | Informs the application which file formats the Source can generate (MSG_GET). Tells the Source which file formats the application can handle (MSG_SET). |
| ILampState | TRUE means the lamp is currently, or should be set to ON. Sources may not support MSG_SET operations. |
| ILightSource | Describes the general color characteristic of the light source used to acquire the image. |
| IOrientation | Defines which edge of the "paper" the image's "top" is aligned with. This information is used to adjust the frames to match the scanning orientation of the paper. |
| IPhysicalWidth | The maximum physical width (X-axis) the Source can acquire (measured in units of IUnits). |
| IPhysicalHeight | The maximum physical height (Y-axis) the Source can acquire (measured in units of IUnits). |
| IShadow | Specifies which value in an image should be interpreted as the darkest "shadow." All values "darker" than this value will be clipped to this value. |
| IFrames | The list of frames the Source will acquire on each page. |
| IXNativeResolution | The native optical resolution along the X-axis of the device being controlled by the Source. Most devices will respond with a single value (TW_ONEVALUE). |
| IYNativeResolution | The native optical resolution along the Y-axis of the device being controlled by the Source. |
| IXResolution | All the X-axis resolutions the Source can provide. |
| IYResolution | All the Y-axis resolutions the Source can provide. |
| IMaxFrames | The maximum number of frames the Source can provide or the application can accept per page. This is a bounding capability only. It does not establish current or future behavior. |
| ITiles | This is used with buffered memory transfers. If TRUE, Source can provide application with tiled image data. |
| IBitOrder | Specifies how the bytes in an image are filled by the Source. TWBO_MSBFIRST indicates that the leftmost bit in the byte (usually bit 7) is the byte's Most Significant Bit. |
| ICcittKFactor | Used for CCITT Group 3 2-dimensional compression. The "K" factor indicates how often the new compression baseline should be re-established. A value of 2 or 4 is common in facsimile communication. A value of zero in this field will indicate an infinite K factor - the baseline is only calculated at the beginning of the transfer. |
| ILightPath | Describes whether the image was captured transmissively or reflectively. |
| IPixelFlavor | Sense of the pixel whose numeric value is zero (minimum data value). |
| IPlanarChunky | Allows the application and Source to identify which color data formats are available. There are two options, "planar" and "chunky." |
| IRotation | How the Source can/should rotate the scanned image data prior to transfer. This doesn't use IUnits. It is always measured in degrees. Any applied value is additive with any rotation specified in IOrientation. |
| ISupportedSizes | For devices that support fixed frame sizes. Defined sizes match typical page sizes. This specifies the size(s) the Source can/should use to acquire image data. |
| IThreshold | Specifies the dividing line between black and white. |
| IXScaling | All the X-axis scaling values available. A value of '1.0' is equivalent to 100% scaling. Do not use values less than or equal to zero. |
| IYScaling | All the Y-axis scaling values available. A value of '1.0' is equivalent to 100% scaling. Do not use values less than or equal to zero. |
| IBitOrderCodes | Used for CCITT data compression only. Indicates the bit order representation of the stored compressed codes. |
| IPixelFlavorCodes | Used only for CCITT data compression. Specifies whether the compressed codes' pixel "sense" will be inverted from the Current value of IPixelFlavor prior to transfer. |
| IJpegPixelType | Specifies the JPEG pixel type. |
| ITimeFill | Used only with CCITT data compression. Specifies the minimum number of words of compressed codes (compressed data) to be transmitted per line. |
| IBitDepth | Specifies the pixel bit depths for the Current value of IPixelType. |
| IBitDepthReduction | Specifies the Reduction Method the Source should use to reduce the bit depth of the data. Most commonly used with IPixelType = PixelType.BW to reduce gray data to black and white. Supported from TWAIN 1.5. |
| IUndefinedImageSize | If TRUE the Source will issue a MSG_XFERREADY before starting the scan. Supported from TWAIN 1.6. |
| IImageDataSet | Gets or sets the image indices that will be delivered during the standard image transfer done in States 6 and 7. Supported from TWAIN 1.7. |
| IExtImageInfo | Allows the application to query the data source to see if it supports the new operation triplet DG_IMAGE/DAT_EXTIMAGEINFO/MSG_GET. Supported from TWAIN 1.7. |
| IMinimumHeight | Allows the source to define the minimum height (Y-axis) that the source can acquire. Supported from TWAIN 1.7. |
| IMinimumWidth | Allows the source to define theminimum width (X-axis) that the source can acquire. Supported from TWAIN 1.7. |
| IFlipRotation | Flip rotation is used to properly orient images that flip orientation every other image. Supported from TWAIN 1.8. |
| IBarCodeDetectionEnabled | Turns bar code detection on and off. Supported from TWAIN 1.8. |
| ISupportedBarCodeTypes | Provides a list of bar code types that can be detected by the current Data Source. Supported from TWAIN 1.8. |
| IBarCodeMaxSearchPriorities | The maximum number of supported search priorities. Supported from TWAIN 1.8. |
| IBarCodeSearchPriorities | A prioritized list of bar code types dictating the order in which bar codes will be sought. Supported from TWAIN 1.8. |
| IBarCodeSearchMode | Restricts bar code searching to certain orientations, or prioritizes one orientation over the other. Supported from TWAIN 1.8. |
| IBarCodeMaxRetries | Restricts the number of times a search will be retried if none are found on each page. Supported from TWAIN 1.8. |
| IBarCodeTimeout | Restricts the total time spent on searching for a bar code on each page. Supported from TWAIN 1.8. |
| IZoomFactor | Returns all camera supported lens zooming range or sets zooming value. Supported from TWAIN 1.8. |
| IPatchCodeDetectionEnabled | Turns patch code detection on and off. Supported from TWAIN 1.8. |
| ISupportedPatchCodeTypes | A list of patch code types that may be detected by the current Data Source. Supported from TWAIN 1.8. |
| IPatchCodeMaxSearchPriorities | The maximum number of supported search priorities. Supported from TWAIN 1.8. |
| IPatchCodeSearchPriorities | A prioritized list of patch code types dictating the order in which patch codes will be sought. Supported from TWAIN 1.8. |
| IPatchCodeSearchMode | Restricts patch code searching to certain orientations, or prioritizes one orientation over the other. Supported from TWAIN 1.8. |
| IPatchCodeMaxRetries | Restricts the number of times a search will be retried if none are found on each page. Supported from TWAIN 1.8. |
| IPatchCodeTimeout | Restricts the total time spent on searching for a patch code on each page. Supported from TWAIN 1.8. |
| IFlashUsed2 | For devices that support flash. MSG_SET selects the flash to be used (if any). MSG_GET reports the current setting. This capability replaces IFlashUsed, which is only able to negotiate the flash being on or off. Supported from TWAIN 1.8. |
| IImageFilter | For devices that support image enhancement filtering. This capability selects the algorithm used to improve the quality of the image. Supported from TWAIN 1.8. |
| INoiseFilter | For devices that support noise filtering. This capability selects the algorithm used to remove noise. Supported from TWAIN 1.8. |
| IOverScan | Overscan is used to scan outside of the boundaries described by IFrames, and is used to help acquire image data that may be lost because of skewing. Supported from TWAIN 1.8. |
| IAutomaticBorderDetection | Turns automatic border detection on and off. Supported from TWAIN 1.8. |
| IAutomaticDeskew | Turns automatic deskew correction on and off. Supported from TWAIN 1.8. |
| IAutomaticRotate | When TRUE this capability depends on intelligent features within the Source to automatically rotate the image to the correct position. Supported from TWAIN 1.8. |
| IJpegQuality | Specifies quality for JPEG images. Supported from TWAIN 1.91. |
| IFeederType | Allows the Application to set scan parameters depending upon the type of feeder. Supported from TWAIN 1.91. |
| IIccProfile | Embeds or links ICC profiles into files. Supported from TWAIN 1.91. |
| IAutoSize | Force the output image dimensions to match either the current value of ISupportedSizes or any of its current allowed values. Supported from TWAIN 2.0. |
| IAutoDiscardBlankPages | Discards blank pages. Supported from TWAIN 2.0. |
| IAutomaticCropUsesFrame | Reduces the amount of data captured from the device, potentially improving the performance of the driver. Supported from TWAIN 2.1. |
| IAutomaticLengthDetection | Controls the automatic detection of the length of a document, this is intended for use with an Automatic Document Feeder. Supported from TWAIN 2.1. |
| IAutomaticColorEnabled | Detects the pixel type of the image and returns either a color image or a non-color image specified by AutomaticColorNonColorPixelType. Supported from TWAIN 2.1. |
| IAutomaticColorNonColorPixelType | Specifies the non-color pixel type to use when automatic color is enabled. Supported from TWAIN 2.1. |
| IColorManagementEnabled | Disables the Source's color and gamma tables for color and grayscale images, resulting in output that that could be termed "raw". Supported from TWAIN 2.1. |
| IImageMerge | Merges the front and rear image of a document in one of four orientations: front on the top. Supported from TWAIN 2.1. |
| IImageMergeHeightThreshold | Specifies a Y-Offset in ICAP_UNITS units. Supported from TWAIN 2.1. |
| IFilmType | Specify the type of transmissive media (positive or negative). Supported from TWAIN 2.2. |
| IMirror | Controls output of a mirror image of the input document. Supported from TWAIN 2.2. |
| IJpegSubsampling | Selects JPEG quantization. Supported from TWAIN 2.2. |
| PrinterCharRotation | Rotates characters printed on documents. Supported from TWAIN 2.3. |
| PrinterFontStyle | Selects characteristics of the font printed on documents (ex: bold, italic). Supported from TWAIN 2.3. |
| PrinterIndexLeadChar | Selects the left side padding of numeric values printed on documents (ex: zero fill). Supported from TWAIN 2.3. |
| PrinterIndexMaxValue | Maximum allowed value for DeviceCapabilityId.PrintIndex. Supported from TWAIN 2.3. |
| PrinterIndexNumDigits | Total number of digits allowed in DeviceCapabilityId.PrinterIndex. Supported from TWAIN 2.3. |
| PrinterIndexStep | Step size when incrementing DeviceCapabilityId.PrinterIndex for each document. Supported from TWAIN 2.3. |
| PrinterIndexTrigger | Kinds of documents that cause DeviceCapabilityId.PrinterIndex to increment. Supported from TWAIN 2.3. |
| PrinterStringPreview | A sample string representing the currently selected printing options. Supported from TWAIN 2.3. |
System.Object
System.ValueType
System.Enum
Vintasoft.Twain.DeviceCapabilityId
Target Platforms: .NET 8, .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5