RecursiveTreeIterator::setPrefixPart Set a part of the prefix &reftitle.description; public voidRecursiveTreeIterator::setPrefixPart intpart stringvalue Sets a part of the prefix used in the graphic tree. &warn.undocumented.func; &reftitle.parameters; part One of the RecursiveTreeIterator::PREFIX_* constants. value The value to assign to the part of the prefix specified in part. &reftitle.returnvalues; &return.void;