Retrieves a pointer to the event handler function that is executed immediately before the page is unloaded.
Syntax
HRESULT get_onunload( VARIANT *p );
Parameters
- p
- Address of a VARIANT structure that contains a pointer to the event handler, or NULL otherwise.
Return Value
Returns S_OK if successful, or an error code otherwise.
Remarks
Use the following code fragment to obtain an event handler.pBody->get_onEvent( &_variant_t(pDisp) ); // pDisp a pointer to an IDispatch interface // pBody a pointer to an element of interest
Windows CE
Windows CE Use version 2.12 and later Minimum availability Internet Explorer 4.0
Specifies code to execute immediately before the page is unloaded.
Syntax
HRESULT put_onunload( VARIANT v );
Parameters
- v
- VARIANT structure that contains a pointer to the event handler to set, or NULL otherwise.
Return Value
Returns S_OK if successful, or an error code otherwise.
Remarks
Use the following code fragment to set an event handler. This method will only add a single event handler. To add multiple event handlers, see the IHTMLDocument3::attachEvent, IHTMLElement2::attachEvent, and IHTMLWindow3::attachEvent methods.
pBody->put_onEvent( &_variant_t(pDisp) ); // pDisp a pointer to an IDispatch interface // pBody a pointer to an element of interest
Windows CE
Windows CE Use version 2.12 and later Minimum availability Internet Explorer 4.0