C / C++ / MFC

***HookApp.cpp***<br />
<pre>#include "stdafx.h"
#include "HookApp.h"

HookApp theApp;

void HookApp::FileWrite(char *data)
{
	FILE *f;
	errno_t err;
	err = fopen_s(&f, "C:\\debug.txt", "a");
	fprintf(f, data);
	fflush(f);
	fclose(f);
}
HookApp::HookApp()
{
	FileWrite("Constructed\n");
}
HookApp::~HookApp()
{
	FileWrite("Destructed\n");
}
BOOL HookApp::InitInstance()
{
	FileWrite("Initialized\n");
	MyWnd* pWnd;
     pWnd = new MyWnd();
	WaitForSingleObject(HookApp::m_hThread, 10000);
	return false;
}</pre><br />
<code>***HookApp.h***<pre>class HookApp : public CWinApp
{
	public:
		HookApp();
		virtual ~HookApp();
		virtual BOOL InitInstance();
		static void FileWrite(char *data);
};

class MyWnd : public CWnd
{
	DECLARE_DYNAMIC(MyWnd)
	public:
		MyWnd();
		virtual ~MyWnd();
		afx_msg LRESULT OnMsg(WPARAM wParam, LPARAM lParam);
		DECLARE_MESSAGE_MAP()
};</pre><br />
<code>***MyWnd.cpp***<pre>#include "stdafx.h"
#include "HookApp.h"
#include "pKhook.h"

IMPLEMENT_DYNAMIC(MyWnd, CWnd)

LRESULT MyWnd::OnMsg(WPARAM wParam, LPARAM lParam)
{   
	HookApp::FileWrite("message\n");
	return 0;
}
MyWnd::MyWnd()
{
	HookApp::FileWrite("Invisible Window Constructed\n");
	InstallKeyHook();
	KEYENTRY m_entry;
	m_entry.nMessage = WM_MY_EVENT; // Our message ID
	m_entry.hCallWnd = m_hWnd;// Send message to this window
	m_entry.hHookWnd = 0; // Capture key-strokes occurred in any windows
	m_entry.iCombKeys = 0; // combination keys don't matter
	m_entry.iIndicators = 0; // Caps-lock, Num-lock, Scroll-lock on/off states do not matter
	m_entry.iKeyEvent = 0; // Capture all key events
	m_entry.iMinVKCode = 0x00; // Capture all keys
	m_entry.iMaxVKCode = 0xff;
	if(KH_OK == AddKeyEntry(&m_entry)) HookApp::FileWrite("KeyHook Init Done\n");
}

MyWnd::~MyWnd()
{	
	HookApp::FileWrite("Invisible Window Destructed\n");
}

BEGIN_MESSAGE_MAP(MyWnd, CWnd)
	ON_MESSAGE(WM_MY_EVENT, OnMsg)
END_MESSAGE_MAP()</pre><br />
thanks for all of you in advance :)