def METHOD_NAME(P, W, Conv):
    if W.overcut.isChecked():
        try:
            lolen = float(W.loEntry.text())
        except:
            lolen = 0
        try:
            dia = float(W.dEntry.text())
        except:
            dia = 0
        if (P.intExt and lolen) or not dia or dia > P.holeDiameter:
            W.overcut.setChecked(False)
    auto_preview(P, W, Conv)