Athugasemd
Aðgangur að þessari síðu krefst heimildar. Þú getur prófað aðskrá þig inn eða breyta skráasöfnum.
Aðgangur að þessari síðu krefst heimildar. Þú getur prófað að breyta skráasöfnum.
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.
Dynamically create an object given its run-time class
Use the following code to dynamically create an object using the
CreateObject
function of theCRuntimeClass
. 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)));