This sample VB.Net application demonstrates how to translate text from English to Chinese (Simplified) using both the Bing and Google translators.  The code can be modified to work with any of the supported languages.

Links to download the code and the example application executable are below the image.

Language Translator

Source Code files (VB.NET 2008) are here:

LanguageTranslatorCode.zip (98kb)

Executable File is here:

LanguageTranslatorExe.zip (70kb)

Bing Web Service Information Links

Bing Translator Home Page
http://msdn.microsoft.com/en-us/library/dd576287.aspx

Service Page
http://api.microsofttranslator.com/V1/SOAP.svc

Getting Started
http://msdn.microsoft.com/en-us/library/dd575235.aspx

Webpage Widget
http://www.microsofttranslator.com/Widget/?ref=MSTWidget

Google API Information Link:

Google Translate API for .NET 0.3
http://code.google.com/p/google-api-for-dotnet/