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Stored procedures
The following constants are used by the Twain functions:
ConstantAffectsUsed by the functions
tsLoadedThe Twain manager is loadedTwainState
tsUnloadedThe Twain manager is not loaded
tsOpenThe Twain manager is opened
tsSourceEnabledThe source is enabled
tsSourceOpenThe source is opened
tsSourceReadyThe source is ready to transfer data
tsSourceTransferThe source is currently transferring data.
Versions 20 and later
TwainBitsByPixel
New in version 20
TwainBitsByPixel
TwainBitsByPixel
Property of the Twain device: Number of bits per pixel.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainBrightness
New in version 20
TwainBrightness
TwainBrightness
Property of the Twain device: Brightness of the device.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainFeederEnabled
New in version 20
TwainFeederEnabled
TwainFeederEnabled
Property of the Twain device: Management mode of feeder.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainContrast
New in version 20
TwainContrast
TwainContrast
Property of the Twain device: Contrast of the Twain device.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainBorderDetectionEnabled
New in version 20
TwainBorderDetectionEnabled
TwainBorderDetectionEnabled
Property of the Twain device: Detection mode of borders.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainBarCodeDetectionEnabled
New in version 20
TwainBarCodeDetectionEnabled
TwainBarCodeDetectionEnabled
Property of the Twain device: Detection mode of bar codes.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainHeight
New in version 20
TwainHeight
TwainHeight
Property of the Twain device: Maximum height (in millimeters).
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainInterfaceControllable
New in version 20
TwainInterfaceControllable
TwainInterfaceControllable
Property of the Twain device: Management mode of user interface.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainWidth
New in version 20
TwainWidth
TwainWidth
Property of the Twain device: Maximum width (in millimeters)
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
TwainGrayScaleRetrieves the image in grayscaleTwainToBMP,
TwainToControl,
TwainToGIF,
TwainToJPEG,
Versions 19 and later
TwainToPDF
New in version 19
TwainToPDF
TwainToPDF
TwainToClipboard
Versions 19 and later
TwainToTIFF
New in version 19
TwainToTIFF
TwainToTIFF
TwainBlackWhiteRetrieves the image in black and whiteTwainToBMP,
TwainToControl,
TwainToGIF,
TwainToJPEG,
Versions 19 and later
TwainToPDF
New in version 19
TwainToPDF
TwainToPDF
TwainToClipboard
Versions 19 and later
TwainToTIFF
New in version 19
TwainToTIFF
TwainToTIFF
TwainPaletteRetrieves the image using colors from a palette (1 , 4 or 8 bits per pixel)TwainToBMP,
TwainToControl,
TwainToGIF,
TwainToJPEG,
Versions 19 and later
TwainToPDF
New in version 19
TwainToPDF
TwainToPDF
TwainToClipboard
Versions 19 and later
TwainToTIFF
New in version 19
TwainToTIFF
TwainToTIFF
Versions 20 and later
TwainReady
New in version 20
TwainReady
TwainReady
Property of the Twain device: Status of the device.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainDuplex
New in version 20
TwainDuplex
TwainDuplex
Property of the Twain device: Support for double side.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainDuplexEnabled
New in version 20
TwainDuplexEnabled
TwainDuplexEnabled
Property of the Twain device: Management mode of double side.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainAutoResizeEnabled
New in version 20
TwainAutoResizeEnabled
TwainAutoResizeEnabled
Property of the Twain device: Management mode of automatic resize.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainAutoDeskewEnabled
New in version 20
TwainAutoDeskewEnabled
TwainAutoDeskewEnabled
Property of the Twain device: Management mode of automatic image deskew.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainResolution
New in version 20
TwainResolution
TwainResolution
Property of the Twain device: Resolution in pixels per inch.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Versions 20 and later
TwainAutoRotationEnabled
New in version 20
TwainAutoRotationEnabled
TwainAutoRotationEnabled
Property of the Twain device: Management mode of image rotation
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
TwainRGBRetrieves the RGB image (24 bits per pixel)TwainToBMP,
TwainToControl,
TwainToGIF,
TwainToJPEG,
Versions 19 and later
TwainToPDF
New in version 19
TwainToPDF
TwainToPDF
TwainToClipboard
Versions 19 and later
TwainToTIFF
New in version 19
TwainToTIFF
TwainToTIFF
Versions 20 and later
TwainBlankPageSkipEnabled
New in version 20
TwainBlankPageSkipEnabled
TwainBlankPageSkipEnabled
Property of the Twain device: Management mode of blank pages
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
TwainAnyTypeRetrieves any type of imageTwainToBMP,
TwainToControl,
TwainToGIF,
TwainToJPEG,
Versions 19 and later
TwainToPDF
New in version 19
TwainToPDF
TwainToPDF
TwainToClipboard
Versions 19 and later
TwainToTIFF
New in version 19
TwainToTIFF
TwainToTIFF
Versions 20 and later
TwainType
New in version 20
TwainType
TwainType
Property of the Twain device: Type of supported images.
Versions 20 and later
TwainProperty
New in version 20
TwainProperty
TwainProperty
Minimum required version
  • Version 9
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