OdRxObject::queryX Method

Syntax

C++

virtual OdRxObject* queryX(const OdRxClass* pClass) const;

Parameters	Description
const OdRxClass* pClass	[in] Raw pointer to the class describing instance to which the object must be converted.

Checks whether the object belongs to the specified class and returns a pointer to this object if this object can be converted to the specified class.

If the object cannot be converted, the method returns a Null. The program must release this object, if the returned pointer is not Null.

Example of Belonging to an Instance of a Class

Belonging to an Instance of a Class