IHTMLObjectElement::get_onreadystatechange Method

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Retrieves a pointer to the event handler function associated with the onreadystatechange event on the OBJECT element. This event is fired whenever the readyState property for the object has changed.

Syntax

HRESULT get_onreadystatechange(
    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

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IHTMLObjectElement::put_onreadystatechange Method

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Sets a pointer to the event handler function associated with the onreadystatechange event on the OBJECT element. This event is fired whenever the readyState property for the object has changed.

Syntax

HRESULT put_onreadystatechange(
    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