|  OnWBPropertyChange event |       | 
| IESniffer component. | 
| type | 
| TIEWebBrowserPropertyChange = procedure(Sender: TObject; const URL: String; const Browser: IWebBrowser2; | 
| const szProperty: WideString) of object; | 
|  | 
| property OnWBPropertyChange: TIEWebBrowserPropertyChange; | 
| The OnWBPropertyChange event occurs with Internet Explorer when a property is modified using the PutProperty method. | 
| OnWBCommandStateChange and OnWBProgressChange events. |