signal callback delegate or function to connect
void callback(string arg1, string arg2, atk.document.Document document)
arg1 the name of the attribute being modified, or null if not available. (optional)
arg2 the attribute's new value, or null if not available. (optional)
document the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to DocumentAttributeChanged signal.
The "document-attribute-changed" signal should be emitted when there is a change to one of the document attributes returned by atk_document_get_attributes.