Left of '' must have class/struct/union when using SDL2 - c++

Question

I'm using SDL library for my homework at university, the program run smoothly at first but then I created a class using SDL as member like this:
#pragma once
#include <SDL.h>
#include <string>
#include <SDL_image.h>
#include <cstring>
using namespace std;
class Anh
{
public:
SDL_Surface * SURFACE;
SDL_Texture * TEXTURE;
SDL_Rect RECT;
void ganAnh(string a, SDL_Renderer *renderer);
void setRect(int a, int b, int c, int d);
};
and Object.cpp
#include "Object.h"
void Anh::ganAnh(string a, SDL_Renderer * renderer)
{
SURFACE = IMG_Load(a.c_str);
TEXTURE = SDL_CreateTextureFromSurface(renderer, SURFACE);
}
void Anh::setRect(int a, int b, int c, int d)
{
RECT.x = a;
RECT.y = b;
RECT.w = c;
RECT.h = d;
}
This is the declaration of variable in Source.cpp before main:
Anh Image;
Anh Bar;
But when I used this class members in my function
void LoadBar(SDL_Renderer *renderer, string a)
{
SDL_RenderCopy(renderer, Image.TEXTURE, NULL, &Image.RECT);
Bar.RECT.x = (720 - Bar.RECT.w * a.length()) / 2;
for (int i = 0; i < a.length(); i++)
{
SDL_RenderCopy(renderer, Bar.TEXTURE, NULL, &Bar.RECT);
Bar.RECT.x += 50;
if (i == a.length() - 1) Bar.RECT.x = (720 - Bar.RECT.w * a.length()) / 2;
}
}
It reported C2228 left of '.TEXTURE' must have class/struct/union and
C2660 'SDL_RenderCopy': function does not take 2 arguments
Every time I access class member I got that error. Please help me!

Answer 1

I don't see an instantiation for Bar in your function LoadBar.
For Example:
Anh * Bar = new Anh();
Edit:
Ok, the declaration seems to be not the problem.
But, did you have looked here?
https://msdn.microsoft.com/en-gb/library/3y365xw6.aspx
-> So, if you have not declared another Image or Bar variable the access to your member is not correct.