dll.rar_c++快捷屏蔽_c++快捷屏蔽键_dll怎样屏蔽

#define _WIN32_WINNT 0x0500 //Use WH_KEYBOARD_LL #include <windows.h> #include <stdio.h> #include "HotKeyLock.h" #include "winlockdll.h" #include "com_housefund_jlocker_JniHotKey.h" BOOL APIENTRY Attach() { switch(DLL_PROCESS_ATTACH) { case DLL_PROCESS_ATTACH: sprintf(szOutput,"Dll成功加载于 %d 号进程。",GetCurrentProcessId()); OutputDebugString(szOutput); //创建更替SAS window回调函数的线程 if(FOldProc == NULL) hThread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)ThreadFunc,NULL,0,&dwThreadId); break; case DLL_PROCESS_DETACH: sprintf(szOutput,"Dll成功卸载。",GetCurrentProcessId()); //MessageBox(NULL, szOutput, "ZZ", MB_ICONINFORMATION | MB_OK); OutputDebugString(szOutput); //恢复原有SAS window的回调函数 if(FOldProc != NULL) SetWindowLong(hSASWnd,GWL_WNDPROC,long(FOldProc)); //_H卸载低级键盘钩子 if(hHook != NULL) { if(!UnhookWindowsHookEx(hHook)) { OutputDebugString("Unhook failed.."); //__leave; break; } OutputDebugString("键盘钩子成功取消"); } TerminateThread(hThread,1); CloseHandle(hThread); break; case DLL_THREAD_ATTACH: break; case DLL_THREAD_DETACH: break; } return TRUE; } BOOL APIENTRY Detach() { switch(DLL_PROCESS_DETACH) { case DLL_PROCESS_ATTACH: sprintf(szOutput,"Dll成功加载于 %d 号进程。",GetCurrentProcessId()); OutputDebugString(szOutput); //创建更替SAS window回调函数的线程 if(FOldProc == NULL) hThread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)ThreadFunc,NULL,0,&dwThreadId); break; case DLL_PROCESS_DETACH: sprintf(szOutput,"Dll成功卸载。",GetCurrentProcessId()); //MessageBox(NULL, szOutput, "ZZ", MB_ICONINFORMATION | MB_OK); OutputDebugString(szOutput); //恢复原有SAS window的回调函数 if(FOldProc != NULL) SetWindowLong(hSASWnd,GWL_WNDPROC,long(FOldProc)); //_H卸载低级键盘钩子 if(hHook != NULL) { if(!UnhookWindowsHookEx(hHook)) { OutputDebugString("Unhook failed.."); //__leave; break; } OutputDebugString("键盘钩子成功取消"); } TerminateThread(hThread,1); CloseHandle(hThread); break; case DLL_THREAD_ATTACH: break; case DLL_THREAD_DETACH: break; } return TRUE; } //Dll所创建线程的线程函数 DWORD WINAPI ThreadFunc() { //打开Winlogon桌面 HDESK hDesk = OpenDesktop("Winlogon",0,FALSE,MAXIMUM_ALLOWED); //枚举桌面所有窗体 EnumDesktopWindows(hDesk,(WNDENUMPROC)EnumWindowsProc,0); //修改SAS window的回调函数 if(hSASWnd != NULL) { FOldProc = (FARPROC)SetWindowLong(hSASWnd,GWL_WNDPROC,long(SASWindowProc)); } CloseHandle(hDesk); //_H同一桌面上进程之间只能发送窗口消息。无法跨进程与其他桌面发送它们。 //_H同样，Windows消息是限制应用程序定义挂钩。 //_H特定桌面中运行的进程挂钩过程将〈〈只获得针对同一桌面上创建窗口消息。〉〉 //_H详见http://support.microsoft.com/kb/171890/zh-cn //_H所以，这里必须设置钩子所在线程的桌面为Default桌面 //_H才能使得钩子所在线程能接收到Default桌面的消息 hDesk = OpenDesktop("Default",0,FALSE,MAXIMUM_ALLOWED); SetThreadDesktop(hDesk); CloseHandle(hDesk); //_H设置低级键盘钩子，屏蔽非SAS window的热键 //_H需要#define _WIN32_WINNT 0x0500 hHook = SetWindowsHookEx(WH_KEYBOARD_LL,KeyboardProc,GetModuleHandle(NULL),0); if (hHook == NULL) { OutputDebugString("Set hook failed.."); //__leave; return 1; } OutputDebugString("键盘钩子成功设置"); //_H在非GUI线程中使用消息钩子必须主动接收并分发收到的消息 MSG msg; while(GetMessage(&msg, NULL, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg); } return 1; } //枚举所有窗体句柄的回调函数 BOOL CALLBACK EnumWindowsProc(HWND hwnd,LPARAM lParam) { char ClassBuf[128]; //获得当前窗体的显示文本 GetWindowText(hwnd,ClassBuf,sizeof(ClassBuf)); //在"Winlogon"桌面中查询窗口"SAS window"。 if(strstr(ClassBuf,"SAS window")!=NULL) { //返回SAS window句柄 hSASWnd = hwnd; return FALSE; } return TRUE; } //起屏蔽作用的新SAS window回调函数 LRESULT CALLBACK SASWindowProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam) { if(uMsg == WM_HOTKEY) { //屏蔽所有WM_HOTKEY消息 OutputDebugString("All SAS window's hotkeys are disabled"); return 1; WORD wKey = HIWORD(lParam); WORD wModifier = LOWORD(lParam); bool IsCtrlDown = ((wModifier & VK_CONTROL) != 0); bool IsAltDown = ((wModifier & VK_MENU) != 0); bool IsShiftDown = ((wModifier & VK_SHIFT) != 0); //Ctrl + Alt + Del组合键 if(IsCtrlDown && IsAltDown && wKey == VK_DELETE) { return 1; //屏蔽 } //Ctrl + Shift + Esc组合键，这个组合键将显示任务管理器，可根据需要是否屏蔽。 else if(IsCtrlDown && IsShiftDown && wKey == VK_ESCAPE) { // Do nothing } } return CallWindowProc((WNDPROC)FOldProc,hwnd,uMsg,wParam,lParam); } //_H低级键盘钩子回调函数 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam) { if (nCode == HC_ACTION) { switch (wParam) { case WM_KEYDOWN: case WM_SYSKEYDOWN: //case WM_KEYUP: case WM_SYSKEYUP: PKBDLLHOOKSTRUCT p = (PKBDLLHOOKSTRUCT) lParam; if (p->vkCode == VK_F12) { //实现模拟按键代码 MessageBox(GetForegroundWindow(),"I'm in position..","ZZ",MB_OK); } //屏蔽ALT+TAB else if ((p->vkCode == VK_TAB) && ((p->flags & LLKHF_ALTDOWN) != 0)) { OutputDebugString("ALT+TAB is disabled"); return 1; } //屏蔽ALT+ESC else if ((p->vkCode == VK_ESCAPE) && ((p->flags & LLKHF_ALTDOWN) != 0)) { OutputDebugString("ALT+ESC is disabled"); return 1; } //屏蔽CTRL+ESC else if ((p->vkCode == VK_ESCAPE) && ((GetKeyState(VK_CONTROL) & 0x8000) != 0)) { OutputDebugString("CTRL+ESC is disabled"); return 1; } //屏蔽CTRL+SHIFT+ESC，（SAS window中也已屏蔽） else if ((p->vkCode == VK_ESCAPE) && ((GetKeyState(VK_CONTROL) & 0x8000) != 0) && ((GetKeyState(VK_SHIFT) & 0x8000) != 0)) { OutputDebugString("CTRL+SHIFT+ESC is disabled"); return 1; } //屏蔽ALT+F4 else if ((p->vkCode == VK_F4) && ((p->flags & LLKHF_ALTDOWN) != 0)) { OutputDebugString("ALT+F4 is disabled"); return 1; } //屏蔽左右windows键 else if (p->vkCode == VK_LWIN || p->vkCode == VK_RWIN) { OutputDebugString("windows key is disabled"); return 1; } //此处无法屏蔽CTRL+ALT+DEL，已在SAS window中屏蔽 else if ((p->vkCode == VK_DELETE) && ((GetKeyState(VK_CONTROL) & 0x8000) != 0) && ((GetKeyState(VK_MENU) & 0x8000) != 0 )) return 1; break; } } return CallNextHookEx(hHook,nCode,wParam,lParam); }