Windows程序设计（Charles Petzold）HELLOWIN程序实现

/*--------------------------------------------------------------
    HELLOWIN.C--DisPlays "Hello, Windows!" 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 progam 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
                        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:
            //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, windows!"), -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);

vs新建一空的win32应用程序，将已经编辑好的代码文件添加至源文件中。在工程属性->附加依赖项中添加"winmm.lib"(或将PlaySound()函数注释掉)，编译运行，查看结果。