move_item

Changes the URI of a bookmark item from old_uri to new_uri.

Any existing bookmark for new_uri will be overwritten. If new_uri is null, then the bookmark is removed.

In the event the URI cannot be found, false is returned and throws is set to g_bookmark_file_error_uri_not_found.

Parameters:

this	a BookmarkFile
old_uri	a valid URI
new_uri	a valid URI, or null

Returns:

true if the URI was successfully changed