#include <windows.h>

/*  Declare Windows procedure  */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);

/*  Make the class name into a global variable  */
char szClassName[ ] = "WindowsApp";

int WINAPI WinMain (HINSTANCE hThisInstance,
                    HINSTANCE hPrevInstance,
                    LPSTR lpszArgument,
                    int nFunsterStil)

{
    HWND hwnd;               /* This is the handle for our window */
    MSG messages;            /* Here messages to the application are saved */
    WNDCLASSEX wincl;        /* Data structure for the windowclass */

    /* The Window structure */
    wincl.hInstance = hThisInstance;
    wincl.lpszClassName = szClassName;
    wincl.lpfnWndProc = WindowProcedure;      /* This function is called by windows */
    wincl.style = CS_DBLCLKS;                 /* Catch double-clicks */
    wincl.cbSize = sizeof (WNDCLASSEX);

    /* Use default icon and mouse-pointer */
    wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
    wincl.lpszMenuName = NULL;                 /* No menu */
    wincl.cbClsExtra = 0;                      /* No extra bytes after the window class */
    wincl.cbWndExtra = 0;                      /* structure or the window instance */
    /* Use Windows's default color as the background of the window */
    wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;

    /* Register the window class, and if it fails quit the program */
    if (!RegisterClassEx (&wincl))
        return 0;

    /* The class is registered, let's create the program*/
    hwnd = CreateWindowEx (
           0,                   /* Extended possibilites for variation */
           szClassName,         /* Classname */
           "Windows App title bar message/title",       /* Title Text */
           WS_OVERLAPPEDWINDOW, /* default window */
           CW_USEDEFAULT,       /* Windows decides the position */
           CW_USEDEFAULT,       /* where the window ends up on the screen */
           500,                 /* The programs width */
           500,                 /* and height in pixels */
           HWND_DESKTOP,        /* The window is a child-window to desktop */
           NULL,                /* No menu */
           hThisInstance,       /* Program Instance handler */
           NULL                 /* No Window Creation data */
           );

    /* Make the window visible on the screen */
    ShowWindow (hwnd, nFunsterStil);

    /* Run the message loop. It will run until GetMessage() returns 0 */
    while (GetMessage (&messages, NULL, 0, 0))
    {
        /* Translate virtual-key messages into character messages */
        TranslateMessage(&messages);
        /* Send message to WindowProcedure */
        DispatchMessage(&messages);
    }

    /* The program return-value is 0 - The value that PostQuitMessage() gave */
    return messages.wParam;
}


/*  This function is called by the Windows function DispatchMessage()  */

LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)                  /* handle the messages */
    {
        case WM_DESTROY:
            PostQuitMessage (0);       /* send a WM_QUIT to the message queue */
            break;
        default:                      /* for messages that we don't deal with */
            return DefWindowProc (hwnd, message, wParam, lParam);
    }

    return 0;
}

NULL,                /* No menu */

/*
        windows.h - main header file for the Win32 API

        Written by Anders Norlander <anorland@hem2.passagen.se>

        This file is part of a free library for the Win32 API.

        This library is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

*/
#ifndef _WINDOWS_H
#define _WINDOWS_H
#if __GNUC__ >=3
#pragma GCC system_header
#endif

/* translate GCC target defines to MS equivalents. Keep this synchronized
   with winnt.h. */
#if defined(__i686__) && !defined(_M_IX86)
#define _M_IX86 600
#elif defined(__i586__) && !defined(_M_IX86)
#define _M_IX86 500
#elif defined(__i486__) && !defined(_M_IX86)
#define _M_IX86 400
#elif defined(__i386__) && !defined(_M_IX86)
#define _M_IX86 300
#endif
#if defined(_M_IX86) && !defined(_X86_)
#define _X86_
#elif defined(_M_ALPHA) && !defined(_ALPHA_)
#define _ALPHA_
#elif defined(_M_PPC) && !defined(_PPC_)
#define _PPC_
#elif defined(_M_MRX000) && !defined(_MIPS_)
#define _MIPS_
#elif defined(_M_M68K) && !defined(_68K_)
#define _68K_
#endif

#ifdef RC_INVOKED
/* winresrc.h includes the necessary headers */
#include <winresrc.h>
#else

#include <stdarg.h>
#include <windef.h>
#include <wincon.h>
#include <winbase.h>
#if !(defined NOGDI || defined  _WINGDI_H)
#include <wingdi.h>
#endif
#ifndef _WINUSER_H
#include <winuser.h>
#endif
#ifndef _WINNLS_H
#include <winnls.h>
#endif
#ifndef _WINVER_H
#include <winver.h>
#endif
#ifndef _WINNETWK_H
#include <winnetwk.h>
#endif
#ifndef _WINREG_H
#include <winreg.h>
#endif
#ifndef _WINSVC_H
#include <winsvc.h>
#endif

#ifndef WIN32_LEAN_AND_MEAN
#include <cderr.h>
#include <dde.h>
#include <ddeml.h>
#include <dlgs.h>
#include <imm.h>
#include <lzexpand.h>
#include <mmsystem.h>
#include <nb30.h>
#include <rpc.h>
#include <shellapi.h>
#include <winperf.h>
#ifndef NOGDI
#include <commdlg.h>
#include <winspool.h>
#endif
#if defined(Win32_Winsock)
#warning "The  Win32_Winsock macro name is deprecated.\
    Please use __USE_W32_SOCKETS instead"
#ifndef __USE_W32_SOCKETS
#define __USE_W32_SOCKETS
#endif
#endif
#if defined(__USE_W32_SOCKETS) || !(defined(__CYGWIN__) || defined(__MSYS__) || defined(_UWIN))
#if (_WIN32_WINNT >= 0x0400)
#include <winsock2.h>
/*
 * MS likes to include mswsock.h here as well,
 * but that can cause undefined symbols if
 * winsock2.h is included before windows.h
 */
#else
#include <winsock.h>
#endif /*  (_WIN32_WINNT >= 0x0400) */
#endif
#ifndef NOGDI
#if !defined (__OBJC__)
#if (__GNUC__ >= 3) || defined (__WATCOMC__)
#include <ole2.h>
#endif
#endif /* __OBJC__ */
#endif

#endif /* WIN32_LEAN_AND_MEAN */

#endif /* RC_INVOKED */

#ifdef __OBJC__
/* FIXME: Not undefining BOOL here causes all BOOLs to be WINBOOL (int),
   but undefining it causes trouble as well if a file is included after
   windows.h
*/
#undef BOOL
#endif

#endif