从我的应用程序发送消息Ctrl + Alt + Del [英] Sending the message Ctrl+Alt+Del from my application
问题描述
我想在MFC中编写一个小的实用程序，该实用程序将 Ctrl + Alt + Del 消息发送到OS.谁能帮我实现这个目标?我试过了:
I want to write a small utility in MFC which sends the Ctrl+Alt+Del message to OS. Can any one help me how do I achieve this? I tried:
::PostMessage(HWND_BROADCAST, WM_HOTKEY, 0, MAKELONG( MOD_CONTROL | MOD_ALT, VK_DELETE));
但这不起作用.
我想发送 Ctrl + Alt + Del 而不调用TaskMgr.exe.另外，它适用于我的本地操作系统(Windows XP Service Pack 2).基本上，我想使用此应用程序来锁定我的计算机，并计划一些操作以及锁定.
I want to send Ctrl+Alt+Del not to invoke TaskMgr.exe. Also, it is for my local OS (Windows XP Service pack 2). Basically I want to use this application to lock my machine and schedule some actions along with locking.
推荐答案
这不是您可以模拟的按键.它被称为安全注意序列". 以下是调用它的方法:从远程桌面(XP +解决方案):
This is not a keystroke you can simulate. It's called the "Secure Attention Sequence". Here's how to invoke it FROM A REMOTE DESKTOP (XP+ solution):
include <shldisp.h>
IShellDispatch4 *pShell;
CoInitialize(NULL);
HRESULT hr = CoCreateInstance(CLSID_Shell, NULL, CLSCTX_INPROC_SERVER,
IID_IShellDispatch, (void**)&pShell);
if(SUCCEEDED(hr))
pShell->WindowsSecurity();
CoUninitialize();
从本地桌面调用它的唯一解决方案是使用SASLib.这不是公开的.将注释写到saslib@microsoft.com以请求它.
The only solution to invoke it from the local desktop is to use SASLib. It's not public. Write a note to saslib@microsoft.com to request it.
等等！您想锁定机器吗?只需调用 LockWorkStation()！单击链接以获取有关头文件，lib文件及所有其他详细信息的更多信息.
Wait! You want to lock the machine? Just call LockWorkStation()! Click the link for more info about header file, lib file et all other details.
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