# include "stdafx. H"
#include
#include
HHOOK g_MsgHook;
//LRESULT CALLBACK MsgHookproc (int nCode, WPARAM WPARAM, LPARAM LPARAM)//CALLBACK function
//{
//MessageBoxW (nullptr, L "to" robbery, L "is from the to remind", MB_OK);
//return CallNextHookEx (g_MsgHook, nCode wParam, lPARAM);
//};
Typedef bool FUN (*) ();/* define FUN as Boolean function pointer */
Int _tmain (int arg c, _TCHAR * argv [])
{
//g_MsgHook=SetWindowsHookEx (WH_GETMESSAGE MsgHookproc, nullptr, NULL);
HINSTANCE hDll=LoadLibrary (L "DLL, the DLL");/* to apply for a DLL loaded handle */
If (hDll)
{
//bool (__cdecl *) (void)
Bool fun (*) ()=(bool (*) ()) GetProcAddress call (hDll, "StartHook");/* to retrieve the output in library (DLL) function address, */
//FUN FUN=(FUN) GetProcAddress call (hDll, "StartHook");/* */
{
If (fun)
{
Fun ();
}
}
}
Char szInput [MAXBYTE]={0}; Definition/* 255 */string array
While (true)
{
STD: : cin & gt;> SzInput;
If (0==STRCMP (szInput, "yes"))
{
break;
}
}
return 0;
}
This is the DLL:
//dllmain. CPP: defines the entry point for the DLL application,
# include "stdafx. H"
#include
HINSTANCE g_h;
//HINSTANCE g_h=(HINSTANCE) : : FindWindow (L "TXGuiFoundation," L "QQ");
HHOOK g_MsgHook;
LRESULT a CALLBACK MsgHookproc (int nCode, WPARAM WPARAM, LPARAM LPARAM)//CALLBACK function
{
If (HC_ACTION==nCode)/* HC_ACTION keyboard or mouse information */
{
/* PMSG message structure, typede after use can declare */
PMSG PMSG=(PMSG) lPARAM;
The switch (PMSG - & gt; Message)
{
Case WM_CHAR:/* * character messages sent/
{
//which characters it by pressing the
Char szkey=PMSG - & gt; WParam.
Char szWindowsName [MAXBYTE]={0};
Char szBuffer [MAXBYTE]={0};
GetWindowTextA (PMSG - & gt; HWND szWindowsName, MAXBYTE);
Sprintf_s (szBuffer MAXBYTE, "access to the message window % s % c", szWindowsName, szkey);
MessageBoxA (nullptr, szBuffer szWindowsName, MB_OK);
}
break;
Default:
break;
}
}
//MessageBoxW (nullptr, L "to" robbery, L "is from the to remind", MB_OK);
Return CallNextHookEx (g_MsgHook, nCode wParam, lPARAM);
};
Extern "C"
__declspec (dllexport) bool StartHook ()/* */export function
{
G_MsgHook=SetWindowsHookEx (WH_GETMESSAGE MsgHookproc, g_h, NULL);
If (g_h)
return true;
return false;
}
Bool Unhook ()
{
Return UnhookWindowsHookEx (g_MsgHook);
}
BOOL APIENTRY DllMain (HMODULE HMODULE,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
The switch (ul_reason_for_call)
{
Case DLL_PROCESS_ATTACH:
G_h=hModule;
Case DLL_THREAD_ATTACH:
Case DLL_THREAD_DETACH:
Case DLL_PROCESS_DETACH:
Unhook ();
break;
}
Return TRUE;
}
CodePudding user response:
VC6 MSDN examples in SPY++ source code, can study slowly underCodePudding user response:
http://bbs.csdn.net/topics/390787357CodePudding user response:
Upstairs, you have no feel what are you doing after graduation thesis applet or pure computer homework summary?Talkative, the heart is not used to maintain the network connection? There had not been VLD resource leaks can get this done in once or twice? What language cannot access memory, disk to use?