def [](propname)
      ret = object[PROPERTY_INTERFACE].Get(name, propname)
      # this method always returns the single property
      if @object.api.proxy_method_returns_array
        ret[0]
      else
        ret
      end
    end
def [](propname)
      ret = object[PROPERTY_INTERFACE].Get(name, propname)
      # this method always returns the single property
      if @object.api.proxy_method_returns_array
        ret[0]
      else
        ret
      end
    end
Read a property.
 @param propname [String]