INT_PTR CALLBACK Shop(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    char iTxt[20],item[20];

    int ind2,length,ind;
    string Drinks[7] ;
    string Food[7];
    string Clother[7];
    char* str;
    Drinks[0] = "beer";
    Drinks[1] = "milk";
    Drinks[2] = "soda";
    Drinks[3] = "water";
    Drinks[4] = "limonade";
    Drinks[5] = "fanta";
    Drinks[6] = "kola";

    Food[0] = "pizza";
    Food[1] = "pasta";
    Food[2] = "hamburger";
    Food[3] = "fish";
    Food[4] = "cheese";
    Food[5] = "eggs";
    Food[6] = "cake";

    Clother[0] = "shirt";
    Clother[1] = "t-shirt";
    Clother[2] = "jeans";
    Clother[3] = "dress";
    Clother[4] = "top";
    Clother[5] = "pants";
    Clother[6] = "shoes";
    UNREFERENCED_PARAMETER(lParam);
    switch (message)
    {
    case WM_INITDIALOG:
        CheckDlgButton(hDlg, IDC_RADIO_KEYBOARD, BST_CHECKED);
        CheckDlgButton(hDlg, IDC_RADIO_DRINKS, BST_CHECKED);
        //CheckDlgButton(hDlg, IDC_RADIO_ARRAY, BST_CHECKED);
        //CheckDlgButton(hDlg, IDC_RADIO_FOOD, BST_CHECKED);
        //CheckDlgButton(hDlg, IDC_RADIO_CLOTHES, BST_CHECKED);
        return (INT_PTR)TRUE;

    case WM_COMMAND:
        if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
        {
            EndDialog(hDlg, LOWORD(wParam));
            return (INT_PTR)TRUE;
        }
        else if (LOWORD(wParam) == IDC_ADD) {


            if (SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_FINDSTRING, -1, (LPARAM)iTxt) == LB_ERR) {
                if (IsDlgButtonChecked(hDlg, IDC_RADIO_KEYBOARD))
                {//вземаме съдържанието в Item(edit control) и го добавяме в Articles (list box)
                    GetDlgItemText(hDlg, IDC_ITEM, (LPSTR)iTxt, 20);
                    SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_ADDSTRING, 0, (LPARAM)iTxt);
                }
                if (IsDlgButtonChecked(hDlg, IDC_RADIO_ARRAY)) {
                    if (IsDlgButtonChecked(hDlg, IDC_RADIO_DRINKS)) {
                        SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_RESETCONTENT, 0, 0);
                        for (int i = 0; i < 7; i++) {
                            string temp = Drinks[i];
                            str = &temp[0];
                            SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_ADDSTRING, 0, (LPARAM)str);
                        }

                    }else   if (IsDlgButtonChecked(hDlg, IDC_RADIO_FOOD)) {
                        SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_RESETCONTENT, 0, 0);
                        for (int i = 0; i < 7; i++) {
                            string temp = Food[i];
                            str = &temp[0];
                            SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_ADDSTRING, 0, (LPARAM)str);
                        }

                    }else   if (IsDlgButtonChecked(hDlg, IDC_RADIO_CLOTHES)) {
                        SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_RESETCONTENT, 0, 0);
                        for (int i = 0; i < 7; i++) {
                            string temp = Clother[i];
                            str = &temp[0];
                            SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_ADDSTRING, 0, (LPARAM)str);
                        }

                    }

                }
            }

        } else if (LOWORD(wParam) == IDC_BUY) {
            char* text;

            ind2 = SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_GETCURSEL, 0, 0);
            length= SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_GETTEXTLEN, ind2, 0);
            text = new char[length + 1];
            SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_GETTEXT, ind2, (LPARAM)text);
            if (SendDlgItemMessage(hDlg, IDC_COMBO_CART,CB_FINDSTRING,-1, (LPARAM)text)==CB_ERR) {
                SendDlgItemMessage(hDlg, IDC_COMBO_CART, CB_ADDSTRING, 0, (LPARAM)text);
                SendDlgItemMessage(hDlg, IDC_COMBO_CART, CB_SELECTSTRING, -1, (LPARAM)text);
            }
        }
        else if (LOWORD(wParam) == IDC_DELETE) {
            ind = SendDlgItemMessage(hDlg, IDC_COMBO_CART, CB_GETCURSEL, 0, 0);
            SendDlgItemMessage(hDlg, IDC_COMBO_CART, CB_DELETESTRING, ind, 0);
        }
        else if (LOWORD(wParam) == IDC_SEARCH) {
            GetDlgItemText(hDlg, IDC_ITEM, item, 20);
            SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_SELECTSTRING, -1, (LPARAM)item);
            if (SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_SELECTSTRING, -1, (LPARAM)item) == LB_ERR) {
                MessageBox(NULL, "No such item!", "Information", MB_ICONINFORMATION | MB_YESNO);
            }

        }
        else if (LOWORD(wParam) == IDC_CLEAR) {
            SetWindowText(GetDlgItem(hDlg, IDC_ITEM), "");
            SendDlgItemMessage(hDlg, IDC_LIST_ARTICLES, LB_RESETCONTENT, 0, 0);
        }


        break;

    }
    return (INT_PTR)FALSE;
}