# File lib_wpm/wpm.rb, line 2791
    def read_form
      for call_index in form.call_range(component_name)
        @properties.call_index = call_index
        if (call_aset = form.call_params[component_name]) then
          if (call_value = call_aset[call_index]) then
            @properties.checked = true if @properties.has_checked?
            @properties.selected = call_value if @properties.has_selected?
            next
          end
        end

        @properties.checked = false if @properties.has_checked?
        @properties.selected = nil if @properties.has_selected?
      end

      nil
    end