win32编程字符串资源，加速键资源

最新推荐文章于 2025-05-27 21:48:43 发布

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最新推荐文章于 2025-05-27 21:48:43 发布

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文章标签： windows c++

本文链接：https://blog.csdn.net/sanqianshijie/article/details/136567213

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本文详细描述了一个使用WindowsAPI编写的程序，涉及窗口类注册、窗口创建、消息处理，特别是OnCommand函数和WM_COMMAND消息的响应。

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#include <windows.h>
#include "resource.h"
HINSTANCE g_hInstance = 0;

void OnCommand(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
    switch (LOWORD(wParam))
    {
    case ID_NEW:
        if (HIWORD(wParam) == 0) {
            MessageBox(hWnd, "新建菜单项被点击", "Info", MB_OK);
        }
        else if (HIWORD(wParam) == 1) {
            MessageBox(hWnd, "加速键 CTRL + M 被点击", "Info", MB_OK);
        }
        break;
    case ID_SET:
        MessageBox(hWnd, "加速键 CTRL + N 被点击", "Info", MB_OK);
        break;
        
    }
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT msgID, WPARAM wParam, LPARAM lParam)
{
    switch (msgID)
    {
    case WM_SETCURSOR:        
        {
            HCURSOR hCur = LoadCursor(g_hInstance, (char*)IDC_CURSOR2);
            if (LOWORD(lParam) == HTCLIENT)
            {//客户区
                SetCursor(hCur);
            }
            else//非客户区
            {

            }
            
        }
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    case WM_COMMAND:
        OnCommand(hWnd,wParam,lParam);
        break;
    }

    return DefWindowProc(hWnd, msgID, wParam, lParam);
}

//入口函数
int CALLBACK WinMain(HINSTANCE hIns, HINSTANCE hPreIns, LPSTR IpCmdLine, int nCmdShow)
{
    g_hInstance = hIns;
    //注册窗口类
    WNDCLASS wc = { 0 };
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
    wc.hCursor = LoadCursor(hIns,(char*)IDC_CURSOR1);
    wc.hIcon = LoadIcon(hIns,(char*)IDI_ICON1);
    //wc.hIcon = NULL;
    wc.hInstance = hIns;
    wc.lpfnWndProc = WndProc;

    wc.lpszClassName = "Main";
    wc.lpszMenuName = (char*)IDR_MENU1;
    wc.style = CS_HREDRAW | CS_VREDRAW;
    RegisterClass(&wc);

    //在内存创建窗口
    char szTitle[256] = { 0 };
    LoadString(hIns, IDS_WND, szTitle, 256);
    HWND hWnd = CreateWindowEx(0, "Main", szTitle, WS_OVERLAPPEDWINDOW, 100, 100, 500, 500, NULL, NULL, hIns, NULL);


    //显示窗口
    ShowWindow(hWnd, SW_SHOW);
    UpdateWindow(hWnd);

    HACCEL hAccel = LoadAccelerators(hIns, (char*)IDR_ACCELERATOR1);

    //消息循环
    MSG nMsg = { 0 };
    while (GetMessage(&nMsg, NULL, 0, 0))
    {

        if (!TranslateAccelerator(hWnd, hAccel, &nMsg))
        {
            TranslateMessage(&nMsg);
            DispatchMessage(&nMsg);//将消息给窗口处理函数来处理
        }
        
    }
    return 0;

}