#include <CtrlLib/CtrlLib.h>
#include <winspool.h> 
using namespace Upp;
 
struct MyAppWindow : TopWindow 
{
    virtual void Paint(Draw& w) 
    {
        w.DrawRect(GetSize(), SWhite);
        w.DrawText(20, 20, "Hello world!", Arial(30), Magenta);
    }
    
    MyAppWindow() 
    {
        Title("My application").Zoomable().Sizeable();
        
        
        char szPrinterName[255];
        unsigned long lPrinterNameLentgth;
        
        int ret=GetDefaultPrinter(szPrinterName,&lPrinterNameLentgth );
        if(ret==0)
        {
            DWORD dwErr = ::GetLastError();
            char e[100];
            sprintf(e,"%d",dwErr);

            MessageBox(NULL, "GetDefaultPrinter Error", e,MB_ICONINFORMATION);
        }
    }
};
 
GUI_APP_MAIN
{
    MyAppWindow app;
    app.SetRect(0, 0, 200, 100);
    app.Run();
}

#include <winspool.h>

#include "c:\upp\mingw\include\winspool.h"

#include <winspool.h>

C:\upp\MyApps\kk\main.cpp:21: error: 'GetDefaultPrinterA' was not declared in this scope