windows-nt/Source/XPSP1/NT/public/sdk/inc/instance.h

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2020-09-26 03:20:57 -05:00
//***************************************************************************
//
// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
//
// Instance.h
//
// Purpose: Definition of CInstance class
//
//***************************************************************************
#if _MSC_VER > 1000
#pragma once
#endif
#ifndef _INSTANCE_H_
#define _INSTANCE_H_
#define WBEMINT64 CHString
#define WBEMINT16 short
///////////////////////////////////////////
//
// CLASS CInstance
//
// base instance class
// encapsulation of IWbemClassObject
///////////////////////////////////////////
class
__declspec(uuid("3402945E-D19A-11d2-B35E-00104BC97924"))
POLARITY CInstance
{
public:
CInstance(IWbemClassObject *piClassObject, MethodContext *pMethodContext);
virtual ~CInstance();
// AddRef/Release
LONG AddRef( void );
LONG Release( void );
// Get and Set for various data types
bool SetNull(LPCWSTR name );
bool SetStringArray(LPCWSTR name, const SAFEARRAY &strArray);
bool SetWORD(LPCWSTR name, WORD w);
bool SetDWORD(LPCWSTR name, DWORD d);
bool Setbool(LPCWSTR name, bool b);
bool SetVariant(LPCWSTR name, const VARIANT& variant );
#ifdef FRAMEWORK_ALLOW_DEPRECATED
bool SetCharSplat(LPCWSTR name, DWORD dwResID);
#endif
bool SetCharSplat(LPCWSTR name, LPCWSTR pStr);
bool SetCharSplat( LPCWSTR name, LPCSTR pStr);
bool SetWCHARSplat(LPCWSTR name, LPCWSTR pStr);
bool SetDateTime(LPCWSTR name, const WBEMTime& wbemtime );
bool SetTimeSpan(LPCWSTR name, const WBEMTimeSpan& wbemtimespan );
bool SetWBEMINT64(LPCWSTR name, const WBEMINT64& wbemint64 );
bool SetWBEMINT64(LPCWSTR name, const LONGLONG i64Value );
bool SetWBEMINT64( LPCWSTR name, const ULONGLONG i64Value );
bool SetWBEMINT16(LPCWSTR name, const WBEMINT16& wbemint16 );
bool SetByte(LPCWSTR name, BYTE b );
bool SetEmbeddedObject (LPCWSTR name, CInstance& cInstance ) ;
bool SetDOUBLE(LPCWSTR name, DOUBLE dub );
bool SetCHString(LPCWSTR name, LPCWSTR str);
bool SetCHString(LPCWSTR name, const CHString& str);
bool SetCHString(LPCWSTR name, LPCSTR str);
bool GetStringArray(LPCWSTR name, SAFEARRAY *& strArray) const;
bool GetCHString(LPCWSTR name, CHString& str) const;
bool GetWCHAR(LPCWSTR name, WCHAR **pW) const;
bool GetWORD(LPCWSTR name, WORD& w) const;
bool GetDWORD(LPCWSTR name, DWORD& d) const;
bool Getbool(LPCWSTR name, bool& b) const;
bool GetVariant(LPCWSTR name, VARIANT& variant ) const;
bool GetDateTime(LPCWSTR name, WBEMTime& wbemtime ) const;
bool GetTimeSpan(LPCWSTR name, WBEMTimeSpan& wbemtimespan ) const;
bool GetWBEMINT64(LPCWSTR name, WBEMINT64& wbemint64 ) const;
bool GetWBEMINT64(LPCWSTR name, LONGLONG& i64Value ) const;
bool GetWBEMINT64( LPCWSTR name, ULONGLONG& i64Value) const;
bool GetWBEMINT16(LPCWSTR name, WBEMINT16& wbemint16 ) const;
bool GetByte(LPCWSTR name, BYTE& b ) const;
bool GetEmbeddedObject(LPCWSTR name, CInstance** pInstance, MethodContext *pMethodContext) const;
bool GetDOUBLE(LPCWSTR name, DOUBLE& dub) const;
bool IsNull(LPCWSTR name) const;
bool GetStatus(LPCWSTR name, bool &a_Exists , VARTYPE &a_VarType ) const ;
HRESULT Commit(void);
IWbemClassObject *GetClassObjectInterface();
MethodContext *GetMethodContext() const;
protected:
// All items in this section intended for Microsoft internal use only
// use by third parties is unsupported and unrecommended
void LogError(LPCWSTR errorStr, LPCWSTR pFunctionName, LPCWSTR pArgs = NULL, HRESULT hError = -1) const;
IWbemClassObject *m_piClassObject;
MethodContext* m_pMethodContext;
LONG m_nRefCount;
friend class CWbemProviderGlue;
};
#endif