Saving plugin parameter values

Posted by Serafino on Feb 05, 2011; 9:12am
URL: http://imagej.273.s1.nabble.com/Saving-plugin-parameter-values-tp3685818.html

I saw that some plugins and filters , when reopened, will offer the user the last parameter values he inputted (ie the RankedFilter plugin), I am wondering whether this depends on the interface implemented (Plugin, PluginFilter, ExtendedPluginFilter).
Any link to a doc file will be appreciated ^^