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What is the function of twain, wia, sdk in visual studio? Then i have a printer cannon pixma mp198 is it support twain or wia?

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Last Post by DeanMSands3
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Disclaimer: I am not a VB.NET programmer nor do I have any experience with TWAIN or WIA.

Twain vs WIA
http://developer.dynamsoft.com/dwt/kb/2739

TL;DR: Twain is better for scanners and requires a vendor dialog, WIA for cameras with a standard dialog.

Your printer/scanner can do both.

Here're some useful links I found for VB.NET.

http://www.vbforums.com/showthread.php?639523-VB-Net-scanning-from-Twain-Driver

http://www.planetsourcecode.com/vb/scripts/showcode.asp?txtCodeId=1551&lngWid=10

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