EventSource::Add Method

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The latest version of this topic can be found at EventSource::Add Method.

Appends the event handler represented by the specified delegate interface to the set of event handlers for the current EventSource object.

Syntax

HRESULT Add(  
   _In_ TDelegateInterface* delegateInterface,  
   _Out_ EventRegistrationToken* token  
);

Parameters

delegateInterface
The interface to a delegate object, which represents an event handler.

token
When this operation completes, a handle that represents the event. Use this token as the parameter to the Remove() method to discard the event handler.

Return Value

S_OK if successful; otherwise, an HRESULT that indicates the error.

Requirements

Header: event.h

Namespace: Microsoft::WRL

See Also

EventSource Class