AcDbAssocVariable.h

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#pragma once
 
//
// (C) Copyright 2005-2024 by Graebert GmbH.
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted,
// provided that the above copyright notice appears in all copies and
// that both that copyright notice and the limited warranty and
// restricted rights notice below appear in all supporting
// documentation.
//
// GRAEBERT PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
// GRAEBERT SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.  GRAEBERT GMBH
// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
// UNINTERRUPTED OR ERROR FREE.
 
#include "..\acad\Acad.h"
 
class AcDbEvalVariant;
class AcDbObjectId;
class AcRxClass;
class AcRxObject;
class AcString;
 
template<typename T> class ByRef {
public:
        ByRef() {
        }
 
        ByRef(const T value) : mValue(value) {
        }
 
        operator T& () const {
                return((T&)mValue);
        }
 
private:
        T mValue;
};
 
class ARX_API AcDbAssocVariable : public AcDbObject
{
public:
           AcDbAssocVariable();
          AcDbAssocVariable( AcDbAssocVariable const &);
          AcDbAssocVariable( AcDbAssocCreateImpObject);
          AcDbAssocVariable &  operator=( AcDbAssocVariable const &);
          AcDbEvalVariant const &  value(void)const ;
          AcDbObjectId  findObjectByName( AcString const &, AcRxClass const *)const ;
          AcString const &  expression(void)const ;
          AcString const &  name(void)const ;
          Acad::ErrorStatus  evaluateExpression( AcDbEvalVariant &)const ;
          Acad::ErrorStatus  setExpression( AcString const &,bool,bool, AcString& = ByRef<AcString>(),bool = false);
          Acad::ErrorStatus  setName( AcString const &,bool);
          Acad::ErrorStatus  setValue( AcDbEvalVariant const &);
      ACRX_DECLARE_MEMBERS(AcDbAssocVariable)
 
         virtual  ~AcDbAssocVariable(void);
         
 
};