[C++][Win32][Windows Messages] reperer text region problemes

HWND GetGlobalFocus()
{
	// remember focus window for the current thread
	HWND hWndLocalFocus = GetFocus();

	// find foreground window
	HWND hWndFore = GetForegroundWindow();
	if (hWndFore == NULL)
		return NULL;

	// get IDs of the current thread and the thread that
	// owns foreground window
	DWORD dwCurrID = GetCurrentThreadId();
	DWORD dwForeID = GetWindowThreadProcessId(hWndFore, NULL);

	// if the current thread owns foreground window then just
	// return hWndLocalFocus
	if (dwForeID == dwCurrID)
		return hWndLocalFocus;

	// attach input states of the current thread and the foreground
	// thread
	if (!AttachThreadInput(dwCurrID, dwForeID, TRUE))
		return NULL;

	// now the current thread and the foreground thread have common
	// input state and we can query for a focus window
	HWND hWndGlobalFocus = GetFocus();

	// detach threads
	AttachThreadInput(dwCurrID, dwForeID, FALSE);

	// restore local focus
	SetFocus(hWndLocalFocus);

	return hWndGlobalFocus;
}

unsigned long GetTargetThreadIdFromWindow()
{
	HWND targetWnd;
	HANDLE hProcess;
	unsigned long processID = 0;

	targetWnd = GetGlobalFocus();
	return GetWindowThreadProcessId(targetWnd, &processID);
}

HINSTANCE hinst = LoadLibrary(L"WindowsHookDLL.dll");
	MSG  uMsg;
	cout << "load DLL: " << hinst << endl;
	system("PAUSE");

	if(!hinst){
		cout << "ERROR DLL" << endl;
		system("PAUSE");
		return 0;
	}
	typedef void (*Install)(unsigned long);
	typedef void (*Uninstall)();

	Install install = (Install) GetProcAddress(hinst, "install");
	Uninstall uninstall = (Uninstall) GetProcAddress(hinst, "uninstall");

	while(true){
		system("CLS");

		PrintActualWindow();

		unsigned long threadID = GetTargetThreadIdFromWindow();
		cout << "ThreadID: "<< threadID<<endl;

		install(threadID);

		//Sleep(2000);
	}
	uninstall();

	system("PAUSE");
	return 0;

#include <iostream>
//#include <string>
#include <windows.h>
#include <fstream>
#include "WindowsMessages.h";

using namespace std;

HINSTANCE hinst;

#pragma data_seg(".shared")
HHOOK hhk = NULL;
#pragma data_seg()
#pragma comment(linker, "/SECTION:.shared,RWS")

LRESULT CALLBACK MessageHookProcedure(int code, WPARAM wParam, LPARAM lParam){

	WindowsMessages WM = WindowsMessages(((CWPSTRUCT*)lParam)->message);
	boolean jump = WM.getMessageJump();

	if(!jump){
		ofstream myfile;
		myfile.open ("D:/test.txt", ios::out | ios::app );
		myfile << "get: " << WM.getMessageCode() << " " << WM.getMessageName() << "n";
		myfile.close();
	}
	return CallNextHookEx(hhk,code,wParam,lParam);
}

extern "C" __declspec(dllexport) void install() { 
	hhk = SetWindowsHookEx(WH_CALLWNDPROC, MessageHookProcedure, hinst, NULL);
}
extern "C" __declspec(dllexport) void uninstall() {
	UnhookWindowsHookEx(hhk); 
}

BOOL WINAPI DllMain(  __in  HINSTANCE hinstDLL,	__in  DWORD fdwReason,	__in  LPVOID lpvReserved){
	hinst = hinstDLL;
	return TRUE;
}