| Setter(IDoubleProxy, IQuantity) | From the proxy, return an IDoubleGetSet for the specified quantity. It returns the first quantity of that type that is accepted, and null if the quantity is not accepted. |
| Setter(IDoubleElementSetProxy, IQuantity, IElementSetDefinition) | From the proxy, return an IDoubleVectorGetSet for the specified quantity. It returns the first quantity of that type that is accepted, and null if the quantity is not accepted. |
| Setter(IDoubleReachProxy, IQuantity, Int32) | From the proxy, return an IDoubleVectorGetSet for the specified quantity. It returns the first quantity of that type that is accepted, and null if the quantity is not accepted. |