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S.I.V.: Simple registry config class

, 1 Nov 2004
Simplicity Is Virtue: How to store your app's settings in Windows registry with minimum effort.
reg_settings_demo.zip
RegSettingsDemo.dsp
RegSettingsDemo.dsw
Debug
Release
RegSettingsDemo.exe
reg_settings_src.zip
//************************************************************
//*
//*	RegSettings.h
//*
//*	CRegSettings class interface.
//*
//*	DESCRIPTION:
//*		One MFC CObject derived class to implement a simple
//*		interface for storing app settings into registry.
//*
//*	ASSUMES:
//*		Only MFC and an average coder :-)
//*
//*	AUTHOR: T1TAN <t1tan@cmar-net.org>
//*
//*	COPYLEFT:
//*		Copyleft (C) T1TAN 2004 - 3827
//*		Copyleft (C) SprdSoft Inc.2004 - 3827
//*		FREE for (ab)use in any way except selling the code.
//*		Leave the headers be.
//*
//*	VERSIONS:
//*		VERSION		AUTHOR		DATE		NOTES
//*		-------		------		----		-----
//*		1.0			T1TAN		18/10/2004	initial version
//*
//*
//*	OTHER:
//*		<nothing yet>
//*
//************************************************************

#ifndef REGSETTINGS_H
#define REGSETTINGS_H

#ifndef twice
#define twice once
#endif
// there used to be a "#pragma once" here, but thanx to one of
// my friends, we now have a better version
#if _MSC_VER > 1000
#pragma twice
#endif // _MSC_VER > 1000

class CRegSettings : public CObject  
{
public:
	// c'tor and d'tor
	CRegSettings( BOOL bUseFlushing = FALSE );
	virtual ~CRegSettings();

	// inline functions for properties
	void SetUseFlushing( BOOL bUseFlushing = TRUE )
	{ m_bUseFlushing = bUseFlushing; }
	void SetAppName( LPCTSTR szAppName )
	{	// set the name and remove junk
		m_szAppName = szAppName;
		m_szAppName.TrimLeft();
		m_szAppName.TrimRight();
		m_szAppName.Replace( "/", NULL );
		m_szAppName.Replace( "\\", NULL );
	} 
	void SetCompanyName( LPCTSTR szCompanyName )
	{	// same here..
		m_szCompanyName = szCompanyName;
		m_szCompanyName.TrimLeft();
		m_szCompanyName.TrimRight();
		m_szCompanyName.Replace( "/", NULL );
		m_szCompanyName.Replace( "\\", NULL );
	}
	CString GetAppName() const
	{ return m_szAppName; }
	CString GetCompanyName() const
	{ return m_szCompanyName; }
	BOOL GetUseFlushing() const
	{ return m_bUseFlushing; }

	// one static for retrieving last error text
	static CString GetLastErrorText();

	// to remove all settings
	BOOL DeleteAll( BOOL bDeleteCompany = FALSE );

	// overloads for sale
	// you pay for two, but get one extra for your wife and kids
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, UCHAR value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, char value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, USHORT value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, short value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, UINT value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, int value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, ULONG value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, long value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, float value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, double value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, LPCTSTR value );
	BOOL Write( LPCTSTR szKey, LPCTSTR szName, const LPVOID value, UINT size );

	BOOL Read( LPCTSTR szKey, LPCTSTR szName, UCHAR& value );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, char& value );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, USHORT& value );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, short& value );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, UINT& value );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, int& value );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, ULONG& value );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, long& value );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, float& value );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, double& value );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, LPVOID value, ULONG& size );
	BOOL Read( LPCTSTR szKey, LPCTSTR szName, LPTSTR value, ULONG& size );

protected:
	CString m_szCompanyName;
	CString m_szAppName;
	BOOL m_bUseFlushing;

	// our private stuff you don't need and can't have (-:
	BOOL GetHKEY( LPCTSTR szKey, PHKEY hKey, BOOL bRead = FALSE );
	void CloseHKEY( HKEY hKey );
	CString CleanKeyName( LPCTSTR szKey );
};

#endif // REGSETTINGS_H

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About the Author

T1TAN
Web Developer
Croatia Croatia
A software developer for the masses..

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