Классы, поля, методы

#pragma once
#include <string>
class ClassMain
{
protected:
    int id;
    std::string name;
public:
    void GetId(int &id);
    std::string GetName();
    void SetName(std::string name);
    virtual void WriteToFile(std::string path) = 0;
    virtual void ReadFromFile(std::string path) = 0;
public:
    ClassMain(int id, std::string name);
    ~ClassMain();
};

#include "pch.h"
#include "ClassMain.h"
#include <string>
 
std::string ClassMain::GetName() {
    return this->name;
 
}
 
void ClassMain::SetName(std::string name) {
    this->name = name;
 
}
 
void ClassMain::GetId(int &id) {
    id = this->id;
}
 
 
ClassMain::ClassMain(int id, std::string name)
{
    this->id = id;
    this->name = name;
}
 
ClassMain::~ClassMain()
{
}

#pragma once
#include "ClassMain.h"
#include <string>
class ClassMarker :
    public ClassMain
{
private:
    int id;
    std::string name;
    int visible;
    int collide;
    double  marker_coord[4][2];
    double  trans[3][4];
    double  marker_width;
    double  marker_center[2];
public:
    ClassMarker(int id, std::string name, int visible, int collide, double **marker_coord, int marker_coordx, int marker_coordy,
        double **trans, int transx, int transy, double marker_width, double *marker_center, int marker_centerx);
    void WriteToFile(std::string path) override;
    void ReadFromFile(std::string path) override;
    ~ClassMarker();
};

#include "pch.h"
#include "ClassMarker.h"
#include <fstream>
#include <string>
 
 
ClassMarker::ClassMarker(int id, std::string name, int visible, int collide, double **marker_coord, int marker_coordx, int marker_coordy,
    double **trans, int transx, int transy, double marker_width, double *marker_center, int marker_centerx) : ClassMain(id, name)
{
    this->id = id;
    this->name = name;
    this->visible = visible;
    this->collide = collide;
    for (int i = 0; i < marker_coordx; i++) {
        for (int j = 0; j < marker_coordy; j++)
            this->marker_coord[i][j] = marker_coord[i][j];
    }
 
    for (int i = 0; i < transx; i++) {
        for (int j = 0; j < transy; j++)
            this->marker_coord[i][j] = trans[i][j];
    }
 
    this->marker_width = marker_width;
 
    for (int i = 0; i < marker_coordx; i++) {
        this->marker_center[i] = *marker_center++;
    }
 
 
}
 
void ClassMarker::WriteToFile(std::string path) {
    std::fstream file(path);
    file.open(path, std::fstream::in);
    if (!file.is_open()) {
        throw "file not open";
    }
 
    file.write((char*), sizeof(this));
    file.close();
}
 
void ClassMarker::ReadFromFile(std::string path) {
    std::fstream file("path");
    file.open(path, std::fstream::in);
    if (!file.is_open()) {
        throw "file not open";
    }
 
    file.close();
}
 
ClassMarker::~ClassMarker()
{
}

#include "pch.h"
#include <iostream>
#include "ClassMarker.h"
#include "MarkerData.h"
#include <string>
 
std::string         markerdata = "Debug\\Data\\markerdata";
int             objectnum;
 
int main()
{
    setlocale(LC_ALL, "rus");
    double** arr = new double*[4];
    for (int i = 0; i < 4; i++)
        arr[i] = new double[2];
    double** arr1 = new double*[3];
    for (int i = 0; i < 3; i++)
        arr1[i] = new double[4];
 
    double arr2[2];
 
    ClassMarker marker(1, "123", 1, 1, arr, 4, 2, arr1, 3, 4, 2.0, arr2, 2);
 
    delete [] *arr;
    delete [] *arr1;
 
    marker.WriteToFile(markerdata);
 
 
    system("pause");
 
}