The NETDRAW procedure enables you to specify multiple trees in the same Network data set; each tree is drawn separately in the same diagram with all the roots appearing at the left edge of the diagram ...

MS XML Notepad 2007 <BR><BR>edit: just to clarify, this is an xml file editor that has a tree view pane on the left. You can right click and expand the whole tree, or leave it collapsed.

Tree diagrams are a way of showing combinations of two or more events. Each branch is labelled at the end with its outcome and the probability is written alongside the line.