问题描述
我正在使用 twaindotnet 扫描具有2400 DPI的图像.每当我用彩色扫描整页时，都会收到一条消息，指出没有足够的内存来执行此操作.我在具有大约4 GB内存的另一台计算机上尝试了此操作，并得到了相同的错误消息.
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.
如果我以黑白或灰度扫描图像，则不会出现任何错误，并且一切正常.
If I scan the image as black and white or gray-scale I don't get any error and everything is working fine.
是与扫描仪驱动程序(Canon 9000F)有关的问题，还是一般的TWAIN问题?
Is that a problem that is related to the scanner driver (Canon 9000F) or is this a general TWAIN problem?
推荐答案
看起来Twain库正在扫描到内存，Twain规范还具有文件传输模式，通常用于超大图像(ICAP_XFERMECH). Twaindotnet可能允许您在扫描时选择文件传输模式.
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.
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