PatchCheckBox
PatchCheckBox* box = new PatchCheckBox(rect, fProducerID, consumerID);
PatchCheckBox* box = dynamic_cast<PatchCheckBox*>(ChildAt(i));
box = dynamic_cast<PatchCheckBox*>(ChildAt(i++));
PatchCheckBox* box = dynamic_cast<PatchCheckBox*>(ChildAt(i));
PatchCheckBox* box = dynamic_cast<PatchCheckBox*>(ChildAt(i));
PatchCheckBox* box = dynamic_cast<PatchCheckBox*>(ChildAt(i));
PatchCheckBox* box = dynamic_cast<PatchCheckBox*>(ctrl);
PatchCheckBox::DoConnect()
PatchCheckBox(BRect r, int32 producerID, int32 consumerID)