참고 링크 :Writing a Managed Internet Explorer Extension http://msmvps.com/blogs/vcsjones/archive/2010/05/23/writing-a-managed-internet-explorer-extension-part-1.aspx BHO dev. using managed code (C#) http://www.codeproject.com/Articles/350432/BHO-Development-using-managed-code Calling C# BHO methods from Javascript http://stackoverflow.com/questions/9287961/calling-c-sharp-bho-methods-from-javascrip..