API Reference > Classes > PRC Base Data Types Classes > OdPrcObjectId Class > OdPrcObjectId Operators > OdPrcObjectId::! Operator
OdPrcObjectId::! Operator
Syntax
C++
bool operator !() const;

Checks if the PRC object identifier is NULL. Returns true if the identifier is NULL or false in the other case.

Copyright (c) 2002-2020. Open Design Alliance. All rights reserved.