function TMToWGS84(tmX, tmY)
{
   var coord = m_Map.GetCoordSys;
   var pos = coord.TMToWGS84(tmX, tmY, 127);
   return pos;
}

#include "CXCoordSys.h"
#include "CXMapPos.h"

CXMapPos CSampleDlg::TMToWGS84(double tmX, double tmY) 
{
   CXCoordSys coord = m_Map.GetCoordSys();
   CXMapPos pos = coord.TMToWGS84(tmX, tmY, 127);
   retrun pos;
}