[ Version ( since = "2.68" ) ]
public Object? dup_source ()
Retrieves the Object instance used as the source of the binding.
A Binding can outlive the source Object as the binding does not hold a strong reference to the source. If the source is destroyed before the binding then this function will return null.
| this |
a Binding |
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the source Object, or null if the source does not exist any more. |