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