def METHOD_NAME(self):
    """
    Bind to control events.
    """
    self.ui.cbElements.currentIndexChanged.connect(self.elementSelected)
    self.ui.cbCS.currentIndexChanged.connect(self.chargeStateSelected)
    self.ui.hsTlower.valueChanged.connect(self.TlowerChanged)
    self.ui.hsTupper.valueChanged.connect(self.TupperChanged)
    self.ui.btnFit.clicked.connect(self.doFit)