class CSearchWnd
{
public:
	CSearchWnd();
	HWND SearchPlanetBoard();
private:
	BOOL CALLBACK EnumChildProc(HWND hwnd, LPARAM lParam);
	BOOL CALLBACK EnumWindowsProc(HWND hwnd, LPARAM lParam);
	BOOL bFound;
	BOOL bMoreOne;
	BOOL bTBoardPanel
	BOOL bTBoardGrid;
	BOOL bTMButtonBoard;
	HWND hwndPlanetBoard;
};

HWND CSearchWnd::SearchPlanetBoard()
{
	hwndPlanetBoard = NULL;
	EnumWindows(&EnumWindowsProc, 0);
	return hwndPlanetBoard;
}

class My_worker{
	static DWORD WINAPI worker_proc(LPVOID lpParam)
	{
		My_worker& worker =reinterpret_cast<My_workergt;(lpParam);
		...
		worker.work() ;
		return 0;
	}
	virtual bool  work(void)=0;
};

#include <windows.h>
#include <iostream>

template<typename T, size_t N>
size_t array_size(T (&arr)[N]) {return N;}

class CWinEnumerator {
public:
	CWinEnumerator() {}
	virtual ~CWinEnumerator() {}

	virtual BOOL EnumWindows() {
		return ::EnumWindows(&EnumWndProc, (LPARAM)this);
	}

private:
	static BOOL CALLBACK EnumWndProc(HWND hwnd, LPARAM lParam) {
		return ((CWinEnumerator *)lParam)->EnumWindowsProc(hwnd);
	}

	virtual BOOL EnumWindowsProc(HWND hwnd) = 0;
};

class CMyWinEnumerator: public CWinEnumerator {
public:
	CMyWinEnumerator() {}
	virtual ~CMyWinEnumerator() {}

private:
	virtual BOOL EnumWindowsProc(HWND hwnd) {
		WCHAR text[1024];
		::GetWindowText(hwnd, text, (int)array_size(text));
		std::wcout << text << std::endl;
		return TRUE;
	}
};

int
main() {
	CMyWinEnumerator enumerator;
	enumerator.EnumWindows();

	return 0;
}