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I’m using twaindotnet to scan an image with 2400 DPI. Whenever I scan a full page in color I get a message that there is not enough memory to perform this action. I tried it on a different computer with around 4 GB of ram and got the same error message.
If I scan the image as black and white or gray-scale I don’t get any error and everything is working fine.
Is that a problem that is related to the scanner driver (Canon 9000F) or is this a general TWAIN problem?
Looks like that Twain library is scanning to memory, the Twain specification also has a file transfer mode which is generally used for very large images (ICAP_XFERMECH). Twaindotnet may allow you to choose the file transfer mode when scanning.