Occurs when the enabled state of a command changes.

Occurs when a document is completely loaded and initialized.

Occurs when a navigation operation begins.

Occurs when a navigation operation finishes, is halted, or fails.

Occurs after an IDispatch event occured.

Occurs after a navigation is completed.

Occurs before the browser quits.

Occurs when the progress of a download operation is updated.

Occurs when the title of a document in the object becomes available or changes.

Occurs when the contents of a shell browser window change.