You can provide that screenshot to chatgpt and ask it to create the RC file and the header file, unless you don't want to use RCs and want to fully build it from source code:
#include "resource.h"
IDD_CARTOLERIA_DIALOG DIALOGEX 0, 0, 400, 300
STYLE WS_CAPTION | WS_SYSMENU
CAPTION "Registry"
FONT 8, "MS Sans Serif"
BEGIN
GROUPBOX "Operational Headquarters",IDC_STATIC,10,10,380,150
LTEXT "Code:",IDC_STATIC,20,30,40,10
EDITTEXT IDC_CODE,70,30,50,14,ES_AUTOHSCROLL
LTEXT "Name:",IDC_STATIC,20,50,60,10
EDITTEXT IDC_NAME,70,50,200,14,ES_AUTOHSCROLL
LTEXT "Address:",IDC_STATIC,20,70,40,10
EDITTEXT IDC_ADDRESS,70,70,200,14,ES_AUTOHSCROLL
LTEXT "ZIP Code:",IDC_STATIC,20,90,40,10
EDITTEXT IDC_ZIP_CODE,70,90,50,14,ES_AUTOHSCROLL
LTEXT "City:",IDC_STATIC,130,90,40,10
EDITTEXT IDC_CITY,170,90,100,14,ES_AUTOHSCROLL
LTEXT "Country:",IDC_STATIC,20,110,40,10
COMBOBOX IDC_COUNTRY,70,110,100,14,CBS_DROPDOWNLIST | WS_VSCROLL
LTEXT "Phone:",IDC_STATIC,20,140,50,10
EDITTEXT IDC_PHONE,70,140,100,14,ES_AUTOHSCROLL
LTEXT "Mobile:",IDC_STATIC,180,140,40,10
EDITTEXT IDC_MOBILE,220,140,100,14,ES_AUTOHSCROLL
LTEXT "Email:",IDC_STATIC,20,160,50,10
EDITTEXT IDC_EMAIL,70,160,150,14,ES_AUTOHSCROLL
LTEXT "VAT Number:",IDC_STATIC,20,180,50,10
EDITTEXT IDC_VAT_NUMBER,70,180,100,14,ES_AUTOHSCROLL
PUSHBUTTON "Add Address...",IDC_BTN_ADD_ADDRESS,250,100,120,14
PUSHBUTTON "Attach...",IDC_BTN_ATTACH,250,200,120,14
PUSHBUTTON "Documents",IDC_BTN_DOCUMENTS,250,220,120,14
PUSHBUTTON "Payments",IDC_BTN_PAYMENTS,250,240,120,14
END