func Init()
  if(linked(onResult) and linked(HDC))
    lng.decl_loc_var(dc, 'HDC') 
  end
end

func doGetDC()
  if(linked(HDC))
    println(dc, ' := GetDC(', Handle, ');') 
    event(onResult, dc)
  else
    event(onResult, 'GetDC(' && Handle && ')')
  end
end

func HDC()
  if(linked(onResult))
    return(dc)
  else
    return('GetDC(' && Handle && ')')
  end
end