Problem with PMPageHandler mehtod onclose

hi evry body

I develop an addin for solidworks 2012 with c++ so I create many property manager page 2 and i want to know how to do in the method onclose (file PMPageHandler.h)

to get the user input from evry  pmpage (how to call a method in the pmppage to get the data).

SolidworksApi macros