mexSet (C)
Set value of specified graphics property
Do not use mexSet. Use mxSetProperty instead.
C Syntax
#include "mex.h" int mexSet(double handle, const char *property, mxArray *value);
Description
Call mexSet to set the value of the property of a certain graphics
      object. mexSet is the API equivalent of the MATLAB®
      set function. To get the value of a graphics property, call
        mexGet.