function AnnPropertyChangedEventArgs( propertyName , status , oldValue , newValue )
| Parameter | Type | Description | 
|---|---|---|
| propertyName | string | The name of the property being changed. | 
| status | PropertyChangedStatus | A PropertyChangedStatus enumeration representing the status of the property change operation. | 
| oldValue | object | The old value of the property. | 
| newValue | object | The new value of the property. |