• windows编程初步


    #include <windows.h>

    const char g_szClassName[] = "myWindowClass";

    LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)

    {

        switch(msg)

        {

            case WM_LBUTTONDOWN:

            {

                printf("you have clicked left_button once! ");

                //answer:

                MessageBox(hwnd, TEXT("你点击了左键一下!"), TEXT("通知"), MB_OK | MB_ICONINFORMATION);

                char szFileName[MAX_PATH];

                //GetModuleHandle()的说明指出传给它一个NULL会返回一个创建发出调用进程的文件句柄

                HINSTANCE hInstance = GetModuleHandle(NULL);

                //消息处理函数

                GetModuleFileName(hInstance, szFileName, MAX_PATH);

                MessageBox(hwnd, szFileName, "This program is:", MB_OK | MB_ICONINFORMATION);

            }

            break;

            case WM_RBUTTONDOWN:

            {

                printf("you have clicked right_button once! ");

                //answer:

                MessageBox(hwnd, TEXT("你点击了右键一下!"), TEXT("通知"), MB_OK | MB_ICONINFORMATION);

                char szFileName[MAX_PATH];

                //GetModuleHandle()的说明指出传给它一个NULL会返回一个创建发出调用进程的文件句柄

                HINSTANCE hInstance = GetModuleHandle(NULL);

                //消息处理函数

                GetModuleFileName(hInstance, szFileName, MAX_PATH);

                MessageBox(hwnd, szFileName, "This program is:", MB_OK | MB_ICONINFORMATION);

            }

            break;

            case WM_MBUTTONDOWN:

            {

                printf("you have clicked middle_button once! ");

                //answer:

                MessageBox(hwnd, TEXT("你点击了中键一下!"), TEXT("通知"), MB_OK | MB_ICONINFORMATION);

                char szFileName[MAX_PATH];

                //GetModuleHandle()的说明指出传给它一个NULL会返回一个创建发出调用进程的文件句柄

                HINSTANCE hInstance = GetModuleHandle(NULL);

                //消息处理函数

                GetModuleFileName(hInstance, szFileName, MAX_PATH);

                MessageBox(hwnd, szFileName, "This program is:", MB_OK | MB_ICONINFORMATION);

            }

            break;

            case WM_CLOSE:

            {

                DestroyWindow(hwnd);

                printf("windows closed! ");

            }

            break;

            case WM_DESTROY:

            {

                PostQuitMessage(0);

                printf("windows destroied! ");

            }

            break;

            default:

                return DefWindowProc(hwnd, msg, wParam, lParam);

        }

        return 0;

    }

    int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,

        LPSTR lpCmdLine, int nCmdShow)

    {

        WNDCLASSEX wc;

        HWND hwnd;

        MSG Msg;

        wc.cbSize        = sizeof(WNDCLASSEX);

        wc.style         = 0;

        wc.lpfnWndProc   = WndProc;

        wc.cbClsExtra    = 0;

        wc.cbWndExtra    = 0;

        wc.hInstance     = hInstance;

        wc.hIcon         = LoadIcon(NULL, IDI_APPLICATION);

        wc.hCursor       = LoadCursor(NULL, IDC_ARROW);

        wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);

        wc.lpszMenuName  = NULL;

        wc.lpszClassName = g_szClassName;

        wc.hIconSm       = LoadIcon(NULL, IDI_APPLICATION);

        if(!RegisterClassEx(&wc))

        {

            MessageBox(NULL, "Window Registration Failed!", "Error!",

                MB_ICONEXCLAMATION | MB_OK);

            return 0;

        }

        hwnd = CreateWindowEx(

            WS_EX_CLIENTEDGE,

            g_szClassName,

            "The title of my window",

            WS_OVERLAPPEDWINDOW,

            CW_USEDEFAULT, CW_USEDEFAULT, 240, 120,

            NULL, NULL, hInstance, NULL);

        if(hwnd == NULL)

        {

            MessageBox(NULL, "Window Creation Failed!", "Error!",

                MB_ICONEXCLAMATION | MB_OK);

            return 0;

        }

        ShowWindow(hwnd, nCmdShow);

        UpdateWindow(hwnd);

        while(GetMessage(&Msg, NULL, 0, 0) > 0)

        {

            TranslateMessage(&Msg);

            DispatchMessage(&Msg);

        }

        return Msg.wParam;

    }

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  • 原文地址:https://www.cnblogs.com/acm-icpcer/p/6440474.html
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