iopcgroupstatemgt.cpp

此为Insight opc client InfoServerExplorer源程序

/////////////////////////////////////////////////////////////////////////////
//
//  OPC Data Access VC++ Client:	IOPCGroupStateMgt.CPP
//									(Source File)
//
/////////////////////////////////////////////////////////////////////////////
//
//          Author: Raphael Imhof
//    Initial Date: 11/04/98
//       $Workfile: IOPCGroupStateMgt.cpp $
//       $Revision: 1 $
//           $Date: 7/27/99 5:23p $
//   Target System: Microsoft Windows NT 4.0
//     Environment: Visual C++ 5.0 / OPC DataAccess 1.0/2.0
//         Remarks: 
//
/////////////////////////////////////////////////////////////////////////////
//
//     Description: implementation of the CIOPCGroupStateMgt class.
//					IOPCGroupStateMgt wrapper.
//					
//
/////////////////////////////////////////////////////////////////////////////
//
//  History of Changes     (Please remove very old comments and blank lines!)
//            $Log: /IDK/OPCServer/clients/VC++/InfoServerExplorer/IOPCGroupStateMgt.cpp $
// 
// 1     7/27/99 5:23p Imhof
// 
// 1     7/27/99 5:18p Imhof
// 
// 4     1/15/99 6:43p Imhof
// Updated legal notice.
// 
// 3     11/10/98 2:20p Imhof
// Added file header's.
// 
//  $Nokeywords:$ (To avoid useless search while checking in.)
/////////////////////////////////////////////////////////////////////////////
//  Copyright (C) 1998, Siemens Building Technologies, Inc. Landis Division
//
// SIEMENS BUILDING TECHNOLOGIES, INC. IS PROVIDING THE FOLLOWING
// EXAMPLES OF CODE AS SAMPLE ONLY.
//
// SIEMENS BUILDING TECHNOLOGIES, INC.  MAKES NO REPRESENTATIONS
// OR WARRANTIES OF ANY KIND  WITH RESPECT TO THE VALIDTY OF THE 
// CODES   OR   DESIRED   RESULTS   AND   DISCLAIMS   ALL   SUCH 
// REPRESENTATIONS   AND   WARRANTIES,  INCLUDING  FOR  EXAMPLE, 
// WARRANTIES  OF  MERCHANTABILITY  AND FITNESS FOR A PARTICULAR 
// PURPOSE.    SIEMENS  BUILIDNG  TECHNOLOGIES,  INC.  DOES  NOT 
// REPRESENT  OR  WARRANT  THAT  THE  FOLLOWING CODE SAMPLES ARE 
// ACCURATE, VALID, COMPLETE OR CURRENT.
//
/////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "infoserverexplorer.h"
#include "IOPCGroupStateMgt.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CIOPCGroupStateMgt::CIOPCGroupStateMgt(CComPtr<IOPCGroupStateMgt> pOPCGroup)
{
	m_pOPCGroup = pOPCGroup;
}

CIOPCGroupStateMgt::CIOPCGroupStateMgt(CComPtr<IUnknown>  pOPCGroup)
{
	if(FAILED(pOPCGroup->QueryInterface(IID_IOPCGroupStateMgt, (void**)&m_pOPCGroup)))
	{
		m_pOPCGroup = NULL;
		TRACE("CIOPCGroupStateMgt() \n");
	}
}

CIOPCGroupStateMgt::~CIOPCGroupStateMgt()
{
}

HRESULT CIOPCGroupStateMgt::SetState(	DWORD*		pRequestedUpdateRate,
										DWORD*		pRevisedUpdateRate,
										BOOL*		pActive,
										LONG*		pTimeBias,
										FLOAT*		pPercentDeadband,
										DWORD*		pLCID,
										OPCHANDLE*	phClientGroup 
									)
{
	if(m_pOPCGroup == NULL)
		return E_FAIL;

	HRESULT hr = m_pOPCGroup->SetState(	pRequestedUpdateRate, pRevisedUpdateRate,
										pActive, pTimeBias, pPercentDeadband,
										pLCID, phClientGroup );
	if( FAILED( hr ) )
	{
		TRACE(_T("IOPCGroupStateMgt::SetState\n"),hr);
	}
     
	return hr; 
}

HRESULT CIOPCGroupStateMgt::GetState(	DWORD*		pUpdateRate,										
										BOOL*		pActive,
										LPWSTR*		ppName,
										LONG*		pTimeBias,
										FLOAT*		pPercentDeadband,
										DWORD*		pLCID,
										OPCHANDLE*	phClientGroup,
										OPCHANDLE*	phServerGroup
									)
{
	if(m_pOPCGroup == NULL)
		return E_FAIL;

	HRESULT hr = m_pOPCGroup->GetState(	pUpdateRate, pActive, ppName, 
										pTimeBias, pPercentDeadband, pLCID, 
										phClientGroup, phServerGroup );
	if( FAILED( hr ) )
	{
		TRACE(_T("IOPCGroupStateMgt::GetState\n"),hr);
	}
     
	return hr; 
}

HRESULT CIOPCGroupStateMgt::SetName(LPCWSTR szName)
{ 
	if(m_pOPCGroup == NULL)
		return E_FAIL;

	HRESULT hr = m_pOPCGroup->SetName(szName);
	if(FAILED( hr ))
	{
		TRACE(_T("IOPCGroupStateMgt::SetName"),hr);
	}
        
	return hr; 
}

HRESULT CIOPCGroupStateMgt::CloneGroup(	LPCWSTR		szName,
										REFIID		riid,
										LPUNKNOWN*	ppUnk)
{ 
	if(m_pOPCGroup == NULL)
		return E_FAIL;
        
	HRESULT res = m_pOPCGroup->CloneGroup(szName, riid, ppUnk);
	if(FAILED(res))
	{
		TRACE(_T("IOPCGroupStateMgt::CloneGroup\n"));
	}
    
	return res;
}