PFNGLPROGRAMENVPARAMETER4DVARBPROC typedef
        PFNGLPROGRAMENVPARAMETER4DVARBPROC =
     Void Function(Uint32 target, Uint32 index, Pointer<Double>  params)
    
    
    
Implementation
typedef PFNGLPROGRAMENVPARAMETER4DVARBPROC =
    Void Function(Uint32 target, Uint32 index, Pointer<Double> params);