

def add(self, chb):
    ' Adds a Checkbox to this collection '
    if (chb.collection is not None):
        self.error("Can't add checkbox as it already belongs to another collection!")
        return
    chb.collection = self
    self._items.append(chb)

dataset/ETHPy150Open tobspr/RenderPipeline/rpcore/gui/checkbox_collection.py CheckboxCollection.add/original