ONLINE HELP WINDEV, WEBDEV AND WINDEV MOBILE
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True if the document was copied into the clipboard, False otherwise. The corresponding error message is returned by ErrorInfo.
True (default value) if the user interface of the Twain device must be displayed, False otherwise.
Type of image used to save the document (classified by order of color management):Order for managing the colors0 (Default value)Default image of device1TwainPaletteColored image issued from a palette.2TwainRGBRGB image.3TwainGrayScaleGrayscale image.4TwainBlackWhiteImage in black and white.-TwainAnyTypeAny type of image.If these constants are combined, the best type of image supported by the device will be selected (according to the order of color management). See remarks for more details.The default type of image will be used:if this parameter is not specified or if it corresponds to 0.if the specified type of image is not supported by the device.if <User interface> is set to True.
Amount of information about the colors (to display or print each pixel in an image). The larger the number of bits per pixel, the sharper the color rendering will be. The possible values for this parameter depend on the type of image used:Type of imagePossible valuesColored image issued from a palette (TwainPalette constant)1, 4 or 8RGB image (TwainRGB constant)8, 10 or 16Grayscale image (TwainGrayScale constant)8 or 16Image in black and white (TwainBlackWhite constant)1If this parameter is not specified, the default number of bits per pixel will be used.
Number of pixels per inch (the possible values depend on the device used). The default image resolution will be used:if this parameter is not specified or if it corresponds to 0.if the specified resolution is not supported by the device.if <User interface> is set to True.
Contrast of the image (value included between -1000 and 1000). The default image contrast will be used:if this parameter is not specified or if it corresponds to 0.if the specified contrast is not supported by the device.if <User interface> is set to True.
Brightness of the image (value included between -1000 and 1000). The default image brightness will be used:if this parameter is not specified or if it corresponds to 0.if the specified brightness is not supported by the device.if <User interface> is set to True.
True to scan a document on both sides, False (by default) to scan the document on a single side.
Document coming from the Twain device
Managing the type of image
Duplex scanner
Multi-page scanner with loader
Operating mode in the 64-bit applications
Last update: 09/17/2020
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