Using the command line utility

Accepts 4 parameters

All parameters should be strings

Paramater and value delimited by :

Refer to this url for language codes: http://msdn.microsoft.com/en-us/library/ms533052(VS.85).aspx (note, not all supported by bing. Check whether the language is listed in the app's drop-down in windows form mode before using)

/PathToSourceRESX:
Full, absolute path to the source RESX file. Including the file itself

/FromCulture:
2 character culture code for the source/from RESX file ... en, fr, de etc

/ToCulture:
2 character culture code for the languages the strings should be translated to ... en, fr, de etc

/ClientID:
Your personal Azure Microsoft Translator Client ID. get from

/ClientSecret:
The client secret associated to your Azure ClientID

How To: Create a Azure Data Market account and application for Microsoft Translator

Example (translates an English RESX to Japanese):
"c:\Microsoft.MCSUK.RESXTranslator.exe" /PathToSourceRESX:"c:\Resources.resx" /FromCulture:"en" /ToCulture:"ja" /ClientID:"put your Client ID here" /ClientSecret:"put your Client Secret here"