@classmethod
def from_evt(cls, evt):
    """
        Initializes a new instance of given class by copying all current data.
        
        Args:
            evt: pero.PropertyChangedEvt
                Source event from which to copy the data.
        
        Returns:
            cls instance
                New instance of requested class.
        """
    return cls(name=evt.name, old_value=evt.old_value, new_value=evt.new_value)
