1 几种调用扫描仪的方案http://hi.baidu.com/scutsolo/blog/item/89f9f0fadeb6c514a9d31170.html
2.用imgscan.ocx来扫描图像(转) http://blog.csdn.net/trnbo/archive/2004/11/09/174162.aspx
3.使用WIA Scripting
http://www.codeproject.com/dotnet/wiascriptingdotnet.asp
用twain_32.dll 的地址应该是
http://www.codeproject.com/dotnet/twaindotnet.asp?msg=333602&target=twain
4.http://blog.csdn.net/fenin/archive/2009/06/02/4237385.aspx在C#中使用WIA获取扫描仪数据（一）
5.http://www.cnblogs.com/bb5059619/archive/2008/07/29/1255916.html
6.http://space.cnblogs.com/question/13964/