def _updated_volume_offset(self, event):

        # For some reason, references hang around and receive
        #   events, although they're invalid. So we skip them.
        #   And probably leak memory.
        if not self:
            return

        if not self._volume_offset_text.IsModified():
            voff = str(self._model.volume_offset())
            self._volume_offset_text.ChangeValue(voff)
Called when the application model is changed that
dataset/ETHPy150Open williballenthin/INDXParse/MFTView.py/DiskGeometryWarningPanel._updated_volume_offset