Dynamic Object Creation
The latest version of this topic can be found at Dynamic Object Creation.
This article explains how to create an object dynamically at run time. The procedure uses run-time class information, as discussed in the article Accessing Run-Time Class Information.
To dynamically create an object given its run-time class
Use the following code to dynamically create an object by using the
CreateObject
function of theCRuntimeClass
. Note that on failure,CreateObject
returns NULL instead of raising an exception:CRuntimeClass* pRuntimeClass = RUNTIME_CLASS( CMyClass ); CObject* pObject = pRuntimeClass->CreateObject(); ASSERT( pObject->IsKindOf( RUNTIME_CLASS( CMyClass ) ) );