#include <windows.h>
LRESULT CALLBACK WndProc (HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,PSTR szCmdLine,int iCmdShow)
{
    static TCHAR szAppName[]=TEXT("hellowin");
    HWND hwnd;
    MSG msg;
    WNDCLASS wndclass;
    wndclass.style=CS_HREDRAW | CS_VREDRAW;
    wndclass.lpfnWndProc=WndProc;
    wndclass.cbClsExtra=0;
    wndclass.cbWndExtra=0;
    wndclass.hInstance=hInstance;
    wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
    wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);
    wndclass.hbrBackground=(HBRUSH) GetStockObject (WHITE_BRUSH);

    wndclass.lpszClassName=szAppName;
    
    if(!RegisterClass(&wndclass))
    {
        MessageBox(NULL,TEXT("registerclass fail!"),szAppName,MB_ICONERROR);
        return 0;
    }
    hwnd=CreateWindow(  szAppName,
                        TEXT("hello wrold"),
                        WS_OVERLAPPEDWINDOW,
                        CW_USEDEFAULT,
                        CW_USEDEFAULT,
                        CW_USEDEFAULT,
                        CW_USEDEFAULT,
                        NULL,
                        NULL,
                        hInstance,
                        NULL);
    ShowWindow(hwnd,iCmdShow);
    UpdateWindow(hwnd);
    
    while(GetMessage(&msg,NULL,0,0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
    HDC                        hdc;
    PAINTSTRUCT                ps;
    RECT                       rect;
    
    
    switch(message)
    {
        case WM_CREATE:
        PlaySound(TEXT("hellowin.wav"),NULL,SND_FILENAME | SND_ASYNC);
        return 0;
    
        case WM_PAINT:
        hdc=BeginPaint(hwnd,&ps);
        
        GetClientRect(hwnd,&rect);
        
        DrawText(hdc,TEXT("hello win98!"),-1,&rect,
                DT_SINGLELINE | DT_CENTER | DT_VCENTER);
                EndPaint(hwnd,&ps);
                return 0;
                
        
        case WM_DESTROY:
            PostQuitMessage(0);
            return 0;
    }
    return DefWindowProc(hwnd,message,wParam,lParam);
}