Dear gentlemen; according to the studies that I take carrying out on your tool asimut, I have seen that the function that executes the figure to be simulated calls " vhx_execall ", this in turn he/she calls to " addptype " returning a structure of type " ptype ". I would like to know where it can locate the code source of the function " addptype " and the declaration of the structure that I imagine that it will be the motor of simulation of the tool asimut. Thank you for their disinterested collaboration. A greeting Igor Cortés