mrucombobox.h

《突破Visual C++.NET编程实例五十讲+源文件,初学者学习的好东东！

#pragma once
#include "afxpriv.h"  

// CMRUComboBox

class CMRUComboBox : public CComboBox
{
	DECLARE_DYNAMIC(CMRUComboBox)

public:

	CMRUComboBox();
	virtual ~CMRUComboBox();
protected:
    CRecentFileList*    m_pMRU;
    CString             m_cstrRegKey;
    CString             m_cstrRegValueFormat;
    int                 m_nMaxMRUSize;
    BOOL                m_bSaveOnDestroy;
    BOOL                m_bSaveAfterAdd;
    BOOL                m_bRefreshAfterAdd;

// Operations
public:
    BOOL AddToMRU ( LPCTSTR szNewItem );
    void EmptyMRU();

    void RefreshCtrl();

    BOOL LoadMRU();
    BOOL SaveMRU();

protected:
    BOOL AllocNewMRU();
    BOOL VerifyMRUParams() const;

    BOOL m_bParamsChanged;

protected:
	DECLARE_MESSAGE_MAP()
// Attributes & accessor functions
public:
    void           SetMRURegKey ( LPCTSTR szRegKey );
    const CString& GetMRURegKey() const;

    BOOL           SetMRUValueFormat ( LPCTSTR szValueFormat );
    const CString& GetMRUValueFormat() const;

    int            SetMaxMRUSize ( int nMaxSize );
    int            GetMaxMRUSize() const;

    BOOL SetAutoSaveOnDestroy   ( BOOL bAutoSave );
    BOOL SetAutoSaveAfterAdd    ( BOOL bAutoSave );
    BOOL SetAutoRefreshAfterAdd ( BOOL bAutoRefresh );
};