Defines a binding property that serves as an identifier for the binding system.
| Invalid | Returns an invalid binding property. | 
| BindingId | Instantiate a new binding property. | 
| Equals | Indicates whether two binding properties are equal. | 
| ToString | Returns the binding property as a string. | 
| BindingId | Converts a [[string ]] to a BindingId. | 
| BindingId | Converts a PropertyPath to a BindingId. | 
| PropertyPath | Converts a BindingId to a PropertyPath. | 
| string | Converts a BindingId to a [[string ]]. |