DWORD m_dwMaxHistoryLines
void AddHistoryLine(const TCHAR *pchLine)
BOOL Init(DWORD dwMaxHistoryLineSize, DWORD dwMaxHistoryLines)
const TCHAR * GetHistoryLine(DWORD dwIndex)
DWORD m_dwMaxHistoryLineSize
DWORD m_dwLastHistoryIndex
DWORD m_dwFirstHistoryIndex