bool InputDesktopSelected()
{
DWORD dummy;
char threadname[256];
char inputname[256];
HDESK threaddesktop = GetThreadDesktop(GetCurrentThreadId());
HDESK inputdesktop = OpenInputDesktop(0, FALSE,
DESKTOP_CREATEMENU | DESKTOP_CREATEWINDOW |
DESKTOP_ENUMERATE | DESKTOP_HOOKCONTROL |
DESKTOP_WRITEOBJECTS | DESKTOP_READOBJECTS |
DESKTOP_SWITCHDESKTOP | GENERIC_WRITE);
if (inputdesktop == NULL) return FALSE;
if (!GetUserObjectInformation(threaddesktop, UOI_NAME, &threadname, 256, &dummy)) {
CloseDesktop(inputdesktop);
return FALSE;
}
if (!GetUserObjectInformation(inputdesktop, UOI_NAME, &inputname, 256, &dummy)) {
CloseDesktop(inputdesktop);
return FALSE;
}
CloseDesktop(inputdesktop);
if (strcmp(threadname, inputname) != 0)
{
//if (strcmp(inputname, "Screen-saver") == 0)
{
return SelectDesktop();
}
return FALSE;
}
return TRUE;
}
BOOL SimulateCtrlAltDel()
{
typedef DWORD
(WINAPI
*GetCurrentThreadIdT)(
VOID
);
GetCurrentThreadIdT pGetCurrentThreadId=(GetCurrentThreadIdT)GetProcAddress(LoadLibrary("KERNEL32.dll"),"GetCurrentThreadId");
typedef HDESK
(WINAPI
*GetThreadDesktopT)(
__in DWORD dwThreadId);
GetThreadDesktopT pGetThreadDesktop=(GetThreadDesktopT)GetProcAddress(LoadLibrary("USER32.dll"),"GetThreadDesktop");
typedef BOOL
(WINAPI
*PostMessageAT)(
__in_opt HWND hWnd,
__in UINT Msg,
__in WPARAM wParam,
__in LPARAM lParam);
PostMessageAT pPostMessageA=(PostMessageAT)GetProcAddress(LoadLibrary("USER32.dll"),"PostMessageA");
HDESK old_desktop = pGetThreadDesktop(pGetCurrentThreadId());
// Switch into the Winlogon desktop
if (!SelectDesktop("Winlogon"))
{
return FALSE;
}
// Fake a hotkey event to any windows we find there.... :(
// Winlogon uses hotkeys to trap Ctrl-Alt-Del...
pPostMessageA(HWND_BROADCAST, WM_HOTKEY, 0, MAKELONG(MOD_ALT | MOD_CONTROL, VK_DELETE));
// Switch back to our original desktop
if (old_desktop != NULL)
SelectHDESK(old_desktop);
return TRUE;
}
BOOL SimulateCtrlAltDel()
{
HDESK old_desktop = GetThreadDesktop(GetCurrentThreadId());
// Switch into the Winlogon desktop
if (!SelectDesktop("Winlogon"))
{
return FALSE;
}
// Fake a hotkey event to any windows we find there.... :(
// Winlogon uses hotkeys to trap Ctrl-Alt-Del...
PostMessage(HWND_BROADCAST, WM_HOTKEY, 0, MAKELONG(MOD_ALT | MOD_CONTROL, VK_DELETE));
// Switch back to our original desktop
if (old_desktop != NULL)
SelectHDESK(old_desktop);
return TRUE;
}
unsigned int __stdcall ThreadLoader(LPVOID param)
{
unsigned int nRet = 0;
#ifdef _DLL
try
{
#endif
THREAD_ARGLIST arg;
memcpy(&arg, param, sizeof(arg));
SetEvent(arg.hEventTransferArg);
// 与卓面交互
if (arg.bInteractive)
SelectDesktop(NULL);
nRet = arg.start_address(arg.arglist);
#ifdef _DLL
} catch(...) {};
#endif
return nRet;
}
