Windows编程基础程序-蒲公英云

Windows编程基础程序

/*-----------------------------------------------------------
    HELLLO.C--Display "Hello Windows 98" in client area 
                 (c) me in 2015 year
------------------------------------------------------------*/
#include "stdafx.h"
#include "HELLOWIN.h"
#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;
    //注册窗口
    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;
    //如果注册失败弹出MessageBox
    if (!RegisterClass(&wndclass))
    {
        MessageBox(NULL, TEXT("THIS program requires Windows NT!"),
            szAppName, MB_ICONERROR);
        return 0;
    }
    //创建窗口
    hwnd = CreateWindow(szAppName,
                        TEXT("The Hello Progarm"),
                        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))   //检索消息
    {
        TranslateMessage(&msg);          //翻译消息
        DispatchMessage(&msg);           //分发消息
    }
    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 Windwos 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);
}