wxWidgets problem

/***************************************************************
 * Name:      GUIMain.cpp
 * Purpose:   Code for Application Frame
 * Author:    Krystian Duczek ()
 * Created:   2020-02-21
 * Copyright: Krystian Duczek ()
 * License:
 **************************************************************/

#include "wx_pch.h"
#include "GUIMain.h"
#include <wx/msgdlg.h>
#include "C:\Users\User\Desktop\Shel\Console\Shelter.h" //----need to give direct path because otherwise compiler cant see this
#include "C:\Users\User\Desktop\Shel\Console\Shelter.cpp" //----this is weird but without this compiler cant refer to constructor or destructor

//(*InternalHeaders(GUIFrame)
#include <wx/bitmap.h>
#include <wx/image.h>
#include <wx/intl.h>
#include <wx/string.h>
//*)

//helper functions
enum wxbuildinfoformat {
    short_f, long_f };

wxString wxbuildinfo(wxbuildinfoformat format)
{
    wxString wxbuild(wxVERSION_STRING);

    if (format == long_f )
    {
#if defined(__WXMSW__)
        wxbuild << _T("-Windows");
#elif defined(__UNIX__)
        wxbuild << _T("-Linux");
#endif

#if wxUSE_UNICODE
        wxbuild << _T("-Unicode build");
#else
        wxbuild << _T("-ANSI build");
#endif // wxUSE_UNICODE
    }

    return wxbuild;
}

//(*IdInit(GUIFrame)
const long GUIFrame::ID_STATICBITMAP1 = wxNewId();
const long GUIFrame::ID_BUTTON1 = wxNewId();
const long GUIFrame::ID_BUTTON2 = wxNewId();
const long GUIFrame::ID_BUTTON3 = wxNewId();
const long GUIFrame::ID_LISTBOX1 = wxNewId();
const long GUIFrame::ID_BUTTON4 = wxNewId();
const long GUIFrame::ID_BUTTON5 = wxNewId();
const long GUIFrame::ID_BUTTON6 = wxNewId();
const long GUIFrame::ID_BUTTON7 = wxNewId();
const long GUIFrame::ID_PANEL1 = wxNewId();
const long GUIFrame::idMenuQuit = wxNewId();
const long GUIFrame::idMenuAbout = wxNewId();
const long GUIFrame::ID_STATUSBAR1 = wxNewId();
//*)

BEGIN_EVENT_TABLE(GUIFrame,wxFrame)
    //(*EventTable(GUIFrame)
    //*)
END_EVENT_TABLE()

GUIFrame::GUIFrame(wxWindow* parent,wxWindowID id)
{
    //(*Initialize(GUIFrame)
    wxBoxSizer* BoxSizer1;
    wxFlexGridSizer* FlexGridSizer1;
    wxMenu* Menu1;
    wxMenu* Menu2;
    wxMenuBar* MenuBar1;
    wxMenuItem* MenuItem1;
    wxMenuItem* MenuItem2;

    Create(parent, id, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxDEFAULT_FRAME_STYLE, _T("id"));
    BoxSizer1 = new wxBoxSizer(wxHORIZONTAL);
    Panel1 = new wxPanel(this, ID_PANEL1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL, _T("ID_PANEL1"));
    FlexGridSizer1 = new wxFlexGridSizer(0, 3, 0, 0);
    FlexGridSizer1->Add(106,57,1, wxALL|wxEXPAND, 5);
    StaticBitmap1 = new wxStaticBitmap(Panel1, ID_STATICBITMAP1, wxBitmap(wxImage(_T("C:\\Users\\User\\Desktop\\Shel\\GUI\\Logo.PNG"))), wxDefaultPosition, wxDefaultSize, wxSIMPLE_BORDER, _T("ID_STATICBITMAP1"));
    FlexGridSizer1->Add(StaticBitmap1, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
    FlexGridSizer1->Add(0,0,1, wxALL|wxEXPAND, 5);
    Button1 = new wxButton(Panel1, ID_BUTTON1, _("See Status"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, _T("ID_BUTTON1"));
    FlexGridSizer1->Add(Button1, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
    Button2 = new wxButton(Panel1, ID_BUTTON2, _("Select Healthy Animals"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, _T("ID_BUTTON2"));
    FlexGridSizer1->Add(Button2, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
    Button3 = new wxButton(Panel1, ID_BUTTON3, _("Add an Animal"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, _T("ID_BUTTON3"));
    FlexGridSizer1->Add(Button3, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
    ListBox1 = new wxListBox(Panel1, ID_LISTBOX1, wxDefaultPosition, wxDefaultSize, 0, 0, 0, wxDefaultValidator, _T("ID_LISTBOX1"));
    FlexGridSizer1->Add(ListBox1, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
    FlexGridSizer1->Add(0,0,1, wxALL|wxEXPAND, 5);
    Button4 = new wxButton(Panel1, ID_BUTTON4, _("Adopt an Animal"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, _T("ID_BUTTON4"));
    FlexGridSizer1->Add(Button4, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
    Button5 = new wxButton(Panel1, ID_BUTTON5, _("Export Status to CSV"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, _T("ID_BUTTON5"));
    FlexGridSizer1->Add(Button5, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
    Button6 = new wxButton(Panel1, ID_BUTTON6, _("Export Status to TXT"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, _T("ID_BUTTON6"));
    FlexGridSizer1->Add(Button6, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
    Button7 = new wxButton(Panel1, ID_BUTTON7, _("Quit"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, _T("ID_BUTTON7"));
    FlexGridSizer1->Add(Button7, 1, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5);
    Panel1->SetSizer(FlexGridSizer1);
    FlexGridSizer1->Fit(Panel1);
    FlexGridSizer1->SetSizeHints(Panel1);
    BoxSizer1->Add(Panel1, 1, wxALL|wxEXPAND, 0);
    SetSizer(BoxSizer1);
    MenuBar1 = new wxMenuBar();
    Menu1 = new wxMenu();
    MenuItem1 = new wxMenuItem(Menu1, idMenuQuit, _("Quit\tAlt-F4"), _("Quit the application"), wxITEM_NORMAL);
    Menu1->Append(MenuItem1);
    MenuBar1->Append(Menu1, _("&File"));
    Menu2 = new wxMenu();
    MenuItem2 = new wxMenuItem(Menu2, idMenuAbout, _("About\tF1"), _("Show info about this application"), wxITEM_NORMAL);
    Menu2->Append(MenuItem2);
    MenuBar1->Append(Menu2, _("Help"));
    SetMenuBar(MenuBar1);
    StatusBar1 = new wxStatusBar(this, ID_STATUSBAR1, 0, _T("ID_STATUSBAR1"));
    int __wxStatusBarWidths_1[1] = { -1 };
    int __wxStatusBarStyles_1[1] = { wxSB_NORMAL };
    StatusBar1->SetFieldsCount(1,__wxStatusBarWidths_1);
    StatusBar1->SetStatusStyles(1,__wxStatusBarStyles_1);
    SetStatusBar(StatusBar1);
    BoxSizer1->Fit(this);
    BoxSizer1->SetSizeHints(this);

    Connect(ID_BUTTON7,wxEVT_COMMAND_BUTTON_CLICKED,(wxObjectEventFunction)&GUIFrame::OnButton7Click);
    Connect(idMenuQuit,wxEVT_COMMAND_MENU_SELECTED,(wxObjectEventFunction)&GUIFrame::OnQuit);
    Connect(idMenuAbout,wxEVT_COMMAND_MENU_SELECTED,(wxObjectEventFunction)&GUIFrame::OnAbout);
    //*)
    Shelter Sunshine;
    MYSQL* conn;

    conn = mysql_init(0); //allocation object for connection
    conn = mysql_real_connect(conn, "192.168.1.7", "donq104", "admin", "shelter", 0, NULL, 0);
}
//-----So i want to create a Shelter instance for example in a constructor and have access to this instance in OnButton7Click

GUIFrame::~GUIFrame()
{
    //(*Destroy(GUIFrame)
    //*)
}
bool GUIFrame::OnInit(wxCommandEvent& event)
{
    return true;
}

void GUIFrame::OnQuit(wxCommandEvent& event)
{
    Close();
}

void GUIFrame::OnAbout(wxCommandEvent& event)
{
    wxString msg = wxbuildinfo(long_f);
    wxMessageBox(msg, _("Welcome to..."));
}

void GUIFrame::OnButton7Click(wxCommandEvent& event)
{
    Sunshine.close(conn, Sunshine); //-----here is the problem
}