[Flightgear-devel] How to use fgTie?

[kitts <kit...@gm...>]

In my experimentation i have added a class and in its class and im trying to 
tie one of its member variables to the property tree so that the user can 
read and modify its value. In the constructor i am using the code;

    fgTie("/path/to/my/var", this,
          &MyClass::getter,
          &MyClass::setter);

getter and setter are member functions defined in the class header;

        int getter(){return m_value;}
        void setter(int value){m_value = value;}

When compiling i get the following error:

error: no matching function for call to ‘fgTie(const char [16], MyClass* 
const, int (MyClass::*)(), void (MyClass::*)(int))’

What am i doing wrong? What is the right method to achieve what i intend? I 
have included <Main/fg_props.hxx>
-- 
Cheers!
kitts