程序代码：

/*------------------------------------------------------------------------
HELLOWIN.C -- Displays "Hello, Windows 98!" in client area
(c) Charles Petzold, 1998
-----------------------------------------------------------------------*/
#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.lpszMenuName = NULL ;
    wndclass.lpszClassName = szAppName ;

    if (!RegisterClass (&wndclass))
    {
        MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
        szAppName, MB_ICONERROR) ;
        return 0 ;
    }

    hwnd = CreateWindow( szAppName, // window class name
    TEXT ("The Hello Program"), // window caption
    WS_OVERLAPPEDWINDOW, // window style
    CW_USEDEFAULT, // initial x position
    CW_USEDEFAULT, // initial y position
    CW_USEDEFAULT, // initial x size
    CW_USEDEFAULT, // initial y size
    NULL, // parent window handle
    NULL, // window menu handle
    hInstance, // program instance handle
    NULL) ; // creation parameters
    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:
        PlaySoundW(TEXT ("music/h.wav"), NULL, SND_FILENAME | SND_ASYNC) ;
        return 0 ;
        case WM_PAINT:
        hdc = BeginPaint (hwnd, &ps) ;
        GetClientRect (hwnd, &rect) ;
        DrawText (hdc, TEXT ("Hello, Windows 98!"), -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) ;
}