xref: /trunk/main/setup_native/source/win32/customactions/reg4msdoc/registryexception.hxx (revision cdf0e10c)

// RegistryException.h: Schnittstelle f�r die Klasse RegistryException.
//
//////////////////////////////////////////////////////////////////////

#ifndef _REGISTRYEXCEPTION_HXX_
#define _REGISTRYEXCEPTION_HXX_

#include <exception>

//#######################################
// Base class for all Registry exceptions
//#######################################

class RegistryException : public std::exception
{
public:

	RegistryException(long ErrorCode);

	virtual ~RegistryException() throw();

	/**
		@descr	Returns a string that describes the error if
				available, else NULL will be returned. The
				returned string is only temporary so the caller
				has to copy it if he needs the string further.
	*/
	virtual const char* what() const throw();

	/**
		@descr	Returns the error code.
	*/

	long GetErrorCode() const;

private:
    long    m_ErrorCode;
	void*  m_ErrorMsg;
};

//#######################################
// Thrown when a Registry key is accessed
// that is closed
//#######################################

class RegistryIOException : public RegistryException
{
public:
	RegistryIOException(long ErrorCode);
};

//#######################################
// Thrown when trying to write to a readonly registry key
//#######################################

class RegistryNoWriteAccessException : public RegistryException
{
public:
	RegistryNoWriteAccessException(long ErrorCode);
};

//#######################################
// Thrown when trying to access an registry key, with improper
// access rights
//#######################################

class RegistryAccessDeniedException : public RegistryException
{
public:
	RegistryAccessDeniedException(long ErrorCode);
};

//#######################################
// A specified registry value could not be read because it is not
// available
//#######################################

class RegistryValueNotFoundException : public RegistryException
{
public:
	RegistryValueNotFoundException(long ErrorCode);
};

//#######################################
// A specified registry key was not found
//#######################################

class RegistryKeyNotFoundException : public RegistryException
{
public:
	RegistryKeyNotFoundException(long ErrorCode);
};

//#######################################
// A specified registry operation is invalid
//#######################################

class RegistryInvalidOperationException : public RegistryException
{
public:
	RegistryInvalidOperationException(long ErrorCode);
};

#endif