PfnglgetpointeriVextprocDart typedef
        PfnglgetpointeriVextprocDart =
     void Function(int pname, int index, Pointer<Pointer<NativeType> >  params)
    
    
    
Implementation
typedef PfnglgetpointeriVextprocDart =
    void Function(int pname, int index, Pointer<Pointer<NativeType>> params);