item.cpp

modbus编程

#include "stdafx.h"
#include "Item.h"

#include "opcda.h"

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

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

IMPLEMENT_DYNCREATE(CItem, CObject)

CItem::CItem()
{
	hItem = NULL;
 	VariantInit(&Value);
	Quality = OPC_QUALITY_UNCERTAIN;
	Name.Empty();
	CoFileTimeNow(&TimeStamp);

	Active = TRUE;
	Writable = FALSE;
}

CItem::~CItem()
{
	VariantClear(&Value);
}