/* resources.h */
#define IDR_MENU1   101
#define ID_QUIT   40001

/* resources.rc */
#include "resources.h"
IDR_MENU1 MENU DISCARDABLE
BEGIN
    POPUP "&File"
    BEGIN
        MENUITEM "QUIT",  ID_QUIT
    END
END // maybe this is wrong

/* main.cpp */
#define CLASS_NAME "ClassName"
#define TITLE "Window title"

HWND      hMainWnd = NULL;
HMENU     hMainMenu = NULL;
HINSTANCE hMainInst = NULL;
int       iWndWidth;
int       iWndHeight;

LRESULT CALLBACK WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
    PAINTSTRUCT ps;
    switch (Msg)
    {
        case WM_PAINT:
            {
                BeginPaint(hMainWnd,&ps);
                EndPaint(hMainWnd,&ps);
            } break;
        case WM_CLOSE:
        case WM_DESTROY: PostQuitMessage(0); break;
    }
    return DefWindowProc(hWnd,Msg,wParam,lParam);    
}    

bool InitMainWnd(int width, int height)
{
    WNDCLASS wc;
    wc.style         = CS_VREDRAW|CS_HREDRAW;
    wc.cbClsExtra    = 0;
    wc.cbWndExtra    = 0;
    wc.lpfnWndProc   = (WNDPROC)WndProc;
    wc.lpszClassName = CLASS_NAME;
    wc.lpszMenuName  = NULL;
    wc.hInstance     = (HINSTANCE)hMainInst;
    wc.hIcon         = (HICON)LoadIcon(NULL,IDI_APPLICATION);
    wc.hCursor       = (HCURSOR)LoadCursor(NULL,IDC_ARROW);
    wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
    if (!RegisterClass(&wc))
    {
        MessageBox(hMainWnd,"RegisterClass(&wc) ERROR",TITLE,MB_OK|MB_ICONERROR);
        return false;
    }
    
    hMainMenu = LoadMenu((HINSTANCE)hMainInst,MAKEINTRESOURCE(IDR_MENU1));
    
    iWndWidth = width;
    iWndHeight = height;
    hMainWnd = CreateWindow(CLASS_NAME,TITLE,WS_OVERLAPPEDWINDOW,0,0,iWndWidth,                           iWndHeight,NULL,hMainMenu,hMainInst,NULL);
    if (hMainWnd == false)
    {
        MessageBox(hMainWnd,"CreateWindow() ERROR",TITLE,MB_OK|MB_ICONERROR);
        return false;
    }
    
    DoneMainWnd();
    return true;
}

void DoneMainWnd()
{
    if (hMainMenu != NULL) DestroyMenu(hMainMenu);
    UnregisterClass(CLASS_NAME,hMainInst);
}    

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, LPSTR, int)  
{
    hMainInst = hInstance;
    if (InitMainWnd(640,480) == false) return 0;
    
    ShowWindow(hMainWnd,SW_SHOW);
    UpdateWindow(hMainWnd);
    
    MSG msg;
    ZeroMemory(&msg,sizeof(MSG));
    PeekMessage(&msg,NULL,0,0,PM_REMOVE);
    
    while (1)
    {
        if ((msg.message == WM_QUIT) || (msg.wParam == VK_ESCAPE)) break;
        if (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
        else
        {
        }    
    }
    
    return msg.wParam;
}

/* main.cpp */#include <windows.h>#include "resources.h"#define CLASS_NAME "ClassName"#define TITLE "Window title"HWND      hMainWnd = NULL;HINSTANCE hMainInst = NULL;int       iWndWidth;int       iWndHeight;LRESULT CALLBACK WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam){    PAINTSTRUCT ps;    switch (Msg)    {        case WM_PAINT:            {                BeginPaint(hMainWnd,&ps);                EndPaint(hMainWnd,&ps);            } break;        case WM_CLOSE:        case WM_DESTROY: PostQuitMessage(0); break;    }    return DefWindowProc(hWnd,Msg,wParam,lParam);    }    bool InitMainWnd(int width, int height){    WNDCLASS wc;    wc.style         = CS_VREDRAW|CS_HREDRAW;    wc.cbClsExtra    = 0;    wc.cbWndExtra    = 0;    wc.lpfnWndProc   = (WNDPROC)WndProc;    wc.lpszClassName = CLASS_NAME;    wc.lpszMenuName  = MAKEINTRESOURCE (IDR_MENU1);    wc.hInstance     = (HINSTANCE)hMainInst;    wc.hIcon         = (HICON)LoadIcon(NULL,IDI_APPLICATION);    wc.hCursor       = (HCURSOR)LoadCursor(NULL,IDC_ARROW);    wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);    if (!RegisterClass(&wc))    {        MessageBox(hMainWnd,"RegisterClass(&wc) ERROR",TITLE,MB_OK|MB_ICONERROR);        return false;    }            iWndWidth = width;    iWndHeight = height;    hMainWnd = CreateWindow(CLASS_NAME,TITLE,WS_OVERLAPPEDWINDOW,0,0,iWndWidth,                           iWndHeight,NULL,NULL,hMainInst,NULL);    if (hMainWnd == false)    {        MessageBox(hMainWnd,"CreateWindow() ERROR",TITLE,MB_OK|MB_ICONERROR);        return false;    }        //DoneMainWnd(); //what's the point of this, btw?                     //doesn't it destroy your window class and menu right after their creation?    return true;}void DoneMainWnd(){    if (hMainMenu != NULL) DestroyMenu(hMainMenu);    UnregisterClass(CLASS_NAME,hMainInst);}    int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, LPSTR, int)  {    hMainInst = hInstance;    if (InitMainWnd(640,480) == false) return 0;        ShowWindow(hMainWnd,SW_SHOW);    UpdateWindow(hMainWnd);        MSG msg;    ZeroMemory(&msg,sizeof(MSG));    PeekMessage(&msg,NULL,0,0,PM_REMOVE);        while (1)    {        if ((msg.message == WM_QUIT) || (msg.wParam == VK_ESCAPE)) break;        if (PeekMessage(&msg,NULL,0,0,PM_REMOVE))        {            TranslateMessage(&msg);            DispatchMessage(&msg);        }        else        {        }        }        return msg.wParam;}