/**
* <summary>
* Returns the current value of a single function attribute, as a text string, as quickly as
* possible but without using the cached value.
* <para>
* </para>
* <para>
* </para>
* </summary>
* <param name="attrName">
* the name of the requested attribute
* </param>
* <returns>
* a string with the value of the the attribute
* </returns>
* <para>
* On failure, throws an exception or returns an empty string.
* </para>
*/
public virtual string loadAttribute(string attrName)
{
if (_func == null)
{
throw new YoctoApiProxyException("No Function connected");
}
return(_func.loadAttribute(attrName));
}