实现全局hook必须要将hook代码封装在dll里，所以此程序有两个文件：noShiftDeleteHook.dll和noShiftDelete.exe
noShiftDeleteHook.dll
//noShiftDeleteHook.h #ifdef NOSHIFTDELETEHOOK_EXPORTS #define NOSHIFTDELETEHOOKDLL_API __declspec(dllexport) #else #define NOSHIFTDELETEHOOKDLL_API __declspec(dllimport) #endif NOSHIFTDELETEHOOKDLL_API void InstallHook(HINSTANCE); NOSHIFTDELETEHOOKDLL_API void UnInstallHook();
// noShiftDeleteHook.cpp : 定义 DLL 应用程序的导出函数。
//
#include "stdafx.h"
#include "noShiftDeleteHook.h"
HHOOK hook=NULL;
LRESULT CALLBACK keyHookCallback (int nCode,WPARAM wParam,LPARAM lParam)
{
char ch;
LRESULT result=::CallNextHookEx(hook,nCode,wParam,lParam);
KBDLLHOOKSTRUCT *pkbhs = (KBDLLHOOKSTRUCT *)lParam;
BOOL bShiftKeyDown = 0;
if (wParam==WM_KEYDOWN && nCode == HC_ACTION)
{
bShiftKeyDown=GetAsyncKeyState (VK_SHIFT) >> ((sizeof(SHORT) * 8) - 1);
if (pkbhs->vkCode == VK_DELETE && bShiftKeyDown)
{
MessageBox(0,L"拒绝手贱，养成良好习惯，从你做起！",L"不准使用Shift+Delete",MB_OK|MB_SETFOREGROUND|MB_TOPMOST);
return TRUE;
}
}
return result;
}
NOSHIFTDELETEHOOKDLL_API void InstallHook(HINSTANCE _hinstance)
{
hook=(HHOOK)::SetWindowsHookEx(WH_KEYBOARD_LL,(HOOKPROC)keyHookCallback,_hinstance,NULL);
if(hook==NULL)
{
MessageBox(0,L"安装全局系统钩子失败！",L"提示",MB_OK);
}
}
NOSHIFTDELETEHOOKDLL_API void UnInstallHook()
{
BOOL result=UnhookWindowsHookEx(hook);
}
noShiftDelete.exe
// noShiftDelete.cpp : 定义应用程序的入口点。
//
#include "stdafx.h"
#include "noShiftDelete.h"
#include <shellapi.h>
#include "../noShiftDeleteHook/noShiftDeleteHook.h"
#pragma comment(lib,"../Release/noShiftDeleteHook.lib")
#define MAX_LOADSTRING 100
#define WM_TRAY (WM_USER + 100)
#define WM_TASKBAR_CREATED RegisterWindowMessage(TEXT("TaskbarCreated"))
// 全局变量:
HINSTANCE hInst; // 当前实例
TCHAR szTitle[MAX_LOADSTRING]; // 标题栏文本
TCHAR szWindowClass[MAX_LOADSTRING]; // 主窗口类名
HMENU hMenu;
NOTIFYICONDATA nid;
// 此代码模块中包含的函数的前向声明:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
//实例化托盘
void InitTray(HINSTANCE hInstance, HWND hWnd)
{
nid.cbSize = sizeof(NOTIFYICONDATA);
nid.hWnd = hWnd;
nid.uID = WM_TRAY;
nid.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP | NIF_INFO;
nid.uCallbackMessage = WM_TRAY;
nid.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_SMALL));
lstrcpy(nid.szTip, L"noShiftDelete v1.0");
hMenu = CreatePopupMenu();//生成托盘菜单
//为托盘菜单添加两个选项
AppendMenu(hMenu, MF_STRING,ID_ABOUT, TEXT("关于..."));
AppendMenu(hMenu, MF_SEPARATOR,ID_TITLE , TEXT("分割线"));
AppendMenu(hMenu, MF_STRING, ID_EXIT, TEXT("退出"));
Shell_NotifyIcon(NIM_ADD, &nid);
}
int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
//互斥量阻止程序多次运行
HANDLE m_hMutex = CreateMutex(NULL,FALSE, L"noShiftDelete");
if (GetLastError() ==ERROR_ALREADY_EXISTS)
{
// 如果已有互斥量存在则释放句柄并复位互斥量
CloseHandle(m_hMutex);
m_hMutex=NULL;
return FALSE;
}
// TODO: 在此放置代码。
MSG msg;
HACCEL hAccelTable;
// 初始化全局字符串
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_NOSHIFTDELETE, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// 执行应用程序初始化:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_NOSHIFTDELETE));
// 主消息循环:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int) msg.wParam;
}
//
// 函数: MyRegisterClass()
//
// 目的: 注册窗口类。
//
// 注释:
//
// 仅当希望
// 此代码与添加到 Windows 95 中的“RegisterClassEx”
// 函数之前的 Win32 系统兼容时，才需要此函数及其用法。调用此函数十分重要，
// 这样应用程序就可以获得关联的
// “格式正确的”小图标。
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_NOSHIFTDELETE));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = MAKEINTRESOURCE(IDC_NOSHIFTDELETE);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
return RegisterClassEx(&wcex);
}
//
// 函数: InitInstance(HINSTANCE, int)
//
// 目的: 保存实例句柄并创建主窗口
//
// 注释:
//
// 在此函数中，我们在全局变量中保存实例句柄并
// 创建和显示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance; // 将实例句柄存储在全局变量中
hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW&~WS_MAXIMIZEBOX,
CW_USEDEFAULT, 0, 400, 200, NULL, NULL, hInstance, NULL);
//安装钩子
HINSTANCE hinstance=GetModuleHandle(L"noShiftDeleteHook.dll");
InstallHook(hinstance);
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, SW_HIDE);
UpdateWindow(hWnd);
//实例化托盘
InitTray(hInstance, hWnd);
return TRUE;
}
//
// 函数: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// 目的: 处理主窗口的消息。
//
// WM_COMMAND - 处理应用程序菜单
// WM_PAINT - 绘制主窗口
// WM_DESTROY - 发送退出消息并返回
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_TRAY:
switch(lParam)
{
case WM_RBUTTONDOWN:
{
//获取鼠标坐标
POINT pt; GetCursorPos(&pt);
//解决在菜单外单击左键菜单不消失的问题
SetForegroundWindow(hWnd);
//使菜单某项变灰
//EnableMenuItem(hMenu, ID_SHOW, MF_GRAYED);
//显示并获取选中的菜单
int cmd = TrackPopupMenu(hMenu, TPM_RETURNCMD, pt.x, pt.y, NULL, hWnd,
NULL);
if(cmd == ID_EXIT)
PostMessage(hWnd, WM_DESTROY, NULL, NULL);
if(cmd == ID_ABOUT)
MessageBox(0,L"Email: [email protected]",L"noShiftDelete v1.0",MB_OK);
}
break;
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: 在此添加任意绘图代码...
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
UnInstallHook();
Shell_NotifyIcon(NIM_DELETE, &nid);
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
if (message == WM_TASKBAR_CREATED)
{
//系统Explorer崩溃重启时，重新加载托盘
Shell_NotifyIcon(NIM_ADD, &nid);
}
return 0;
}
启动后窗体隐藏最小化到托盘，使用shift+delete时会提示并阻止
编译后文件：点击下载
时间： 2024-08-07 04:12:17