A numeric object: either a CosInteger or a CosReal.
public abstract class CosNumber : CosObject
ISO 32000-2 §7.3.3. "Number" in the specification means an object that is either an integer or a real; wherever a real is expected an integer may be used instead, which is what ToDouble() is for.
kind:method, kind:property, kind:ctor. Press Esc to clear.ToDouble()Returns the value as a double-precision real, whichever kind of number this is.