initMessageEvent method

Initializes a new cross-document message (XDM) event that the IDocumentEvent::createEvent method created.

Syntax

HRESULT retVal = object.initMessageEvent(eventType, canBubble, cancelable, data, origin, lastEventId, source);

eventType [in]

Type: BSTR

One of the following values, or a user-defined custom event type:

message

An HTMLWindowEvents3::onmessage event.

canBubble [in]

Type: VARIANT_BOOL

VARIANT_TRUE (true)

The event should propagate upward.

VARIANT_FALSE (false)

The event does not propagate upward.

cancelable [in]

Type: VARIANT_BOOL

VARIANT_TRUE (true)

The default action can be canceled.

VARIANT_FALSE (false)

The default action cannot be canceled.

data [in]

Type: BSTR

The cross-document message. This value is returned as the IDOMMessageEvent::data attribute of the event.

origin [in]

Type: BSTR

The originating domain of the message. This value is returned as the IDOMMessageEvent::origin attribute of the event.

lastEventId [in]

Type: BSTR

Not used. Set this parameter to an empty string.

source [in]

A reference to the window that generated the event. This value is returned as the IDOMMessageEvent::source attribute of the event.

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

The lastEventId parameter emulates server-initiated messages, which Windows Internet Explorer 9 does not support.