def set_property(name, value, mark_non_default=true)
 
      #Set the node's property, as specified.
      node = get_property_node(name)
      node.attribute("value").value = value

      #If the mark non-default option is set, mark the state is not a default value.
      node.attribute("valueState").value = 'non-default' if mark_non_default

    end
def set_property(name, value, mark_non_default=true)
 
      #Set the node's property, as specified.
      node = get_property_node(name)
      node.attribute("value").value = value

      #If the mark non-default option is set, mark the state is not a default value.
      node.attribute("valueState").value = 'non-default' if mark_non_default

    end
Sets the value of an ISE project property.