遍历文件夹下的所有文件

 int GetCustomerName(LPCTSTR szCustomerPath, CString strFileName[])
	{
		int nFileCount = 0;
		WIN32_FIND_DATA finder;
		CString strCustomerFile(szCustomerPath);
		strCustomerFile += L"//*.txt";
		HANDLE hFind = ::FindFirstFile(strCustomerFile, &finder);
		if (INVALID_HANDLE_VALUE == hFind)
		{
			nFileCount = 0;
		}
		else
		{
			do
			{
				strFileName[nFileCount] = finder.cFileName;
				FILETIME fileTime = finder.ftCreationTime;
				
				nFileCount++;
			}while(::FindNextFile(hFind, &finder) != 0);
		}
		::FindClose(hFind);
		return nFileCount;
	}