#pragma once
#include "DbBlockReference.h"

/** \details
  This class is a block reference protocol extension allowing to access dynamic block properties w/o linking the dynamic blocks module
  <group OdDb_Classes>
*/
class TOOLKIT_EXPORT OdDbDynamicBlockReferencePE : public OdRxObject
{
public:
  ODRX_DECLARE_MEMBERS(OdDbDynamicBlockReferencePE);
  /** \details
  * Returns eOk and the current visibility state if the block is dynamic and there is a visibility parameter
  * Returns eKeyNotFound if the block is dynamic but there is no visibility parameter
  * Returns eInvalidInput if the block is not dynamic 
  */ 
  virtual OdResult getCurrentVisibilityState(const OdDbBlockReference* block, OdDbObjectIdArray& visibilityState) const = 0;
};

/** \details
  This class is a block table record protocol extension allowing to access dynamic block properties w/o linking the dynamic blocks module
  <group OdDb_Classes>
*/
class TOOLKIT_EXPORT OdDbDynamicBlockPE : public OdRxObject
{
public:
  ODRX_DECLARE_MEMBERS(OdDbDynamicBlockPE);
  /** \details
  * Returns true if the object is a correct dynamic block
  */
  virtual bool isDynamicBlock(const OdDbObject* block) const = 0;
};