How to convert data bit ident to string?

I use MATLAB as ActiveX-Client. For invokation a server method, i need to convert an array of data (signed 16 bit integer) to string in a bit ident way.

Their is a solution written in C++:

BSTR bstrData = ::SysAllocStringLen(NULL, Size); // copy samples into the string short* pData = pBlock; // start address for (int i = 0; i < wBlockSize*c_nGenerators; i++, pData++) { bstrData[i] = *pData; }

Is there an equivalent solution in MATLAB (vers. r2011b) without using mex-functions for calling C++-methods?