如何通过代码设置参数 [英] How to set parameter by code

问题描述

我想在扫描之前按代码设置参数.如像素，图像类型等.
我正在使用TWAIN进​​行操作.我想在扫描仪之前设置参数.我想知道怎么做.
例如:如果我要将Pixels设置为200DPI.

I want to set Parameter by code before Scan.Like Pixels, Image Type,and so on.
I''m doing something with TWAIN.I want to set the Parameters before Scanner. I want to know how to do this.
for example: if I want to set Pixels be 200DPI. how can I finish it without twain UI.

推荐答案

您将不得不与SCANNER供应商进行讨论，他们将能够为您提供所需的API，让您通过外部应用程序修改扫描设置.

You would have to discuss it with the SCANNER vendor, they will be able to give you required API that would let you modify scanning settings by external application.

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