Understanding CDockablePane

/* 
 * Developed by Huzifa Terkawi 
 * http://www.codeproject.com/Members/huzifa30
 * All permission granted to use this code as long as you retain this notice
 * and refere to orginal Material when part of this code is re-puplished
*/
#ifndef OUTPUT_WND_H_3803BB2F69A8434B82C0207753E81628
#define OUTPUT_WND_H_3803BB2F69A8434B82C0207753E81628

class COutputList : public CListBox
{
	DECLARE_MESSAGE_MAP()
public:
	COutputList();
	virtual ~COutputList();

protected:
	afx_msg void OnContextMenu(CWnd* pWnd, CPoint point);
	afx_msg void OnEditCopy();
	afx_msg void OnEditClear();
	afx_msg void OnViewOutput();
};
/**************************************************************************/
class COutputWnd : public CDockablePane
{
	DECLARE_MESSAGE_MAP()
public:
	COutputWnd();
	virtual ~COutputWnd();
protected:
	CFont m_Font;
	CMFCTabCtrl	m_wndTabs;
	COutputList m_wndOutputBuild;
	COutputList m_wndOutputDebug;
	COutputList m_wndOutputFind;

protected:
	void FillBuildWindow();
	void FillDebugWindow();
	void FillFindWindow();
	void AdjustHorzScroll(CListBox& wndListBox);

protected:
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnSize(UINT nType, int cx, int cy);
};

#endif