ExtensibleClassFactory.RegisterObjectCreationCallback Method
Definition
Important
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Registers a delegate
that is called when an instance of a managed type, that extends from an unmanaged type, needs to allocate the aggregated unmanaged object.
public:
static void RegisterObjectCreationCallback(System::Runtime::InteropServices::ObjectCreationDelegate ^ callback);
public static void RegisterObjectCreationCallback (System.Runtime.InteropServices.ObjectCreationDelegate callback);
static member RegisterObjectCreationCallback : System.Runtime.InteropServices.ObjectCreationDelegate -> unit
Public Shared Sub RegisterObjectCreationCallback (callback As ObjectCreationDelegate)
Parameters
- callback
- ObjectCreationDelegate
A delegate
that is called in place of CoCreateInstance
.
Remarks
This delegate
allocates and aggregates the unmanaged object and is called in place of CoCreateInstance
. This delegate
must be registered in the context of the static
class initializer for which the callbacks will be made.
Only one class in an hierarchy should register a delegate
callback.
Applies to
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