Version selection when using MLApp in c#

If multiple versions of MATLAB is installed (ex: r2013a r2013b r2014a ... ), how can I select specific version to launch from c#(using MLApp below link)

http://www.mathworks.com/help/matlab/matlab_external/call-matlab-function-from-a-c-client.html

Answer 1

[Image Analyst]

I would guess the current version is stated in the registry (if you're using Windows). You can change that on the fly if you execute a .reg file to change it to whatever version you want.

[HongKee]

Could you tell me which registry key should I change?

[Image Analyst]

Not sure. Just search the registry for it.