Description: Demonstration in the tree structure, how to add a new node and edit it. From one node to the start and shrink, and how to add scrolling panel to keep the nodes in the view.
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TreeEditTestProject
...................\.classpath
...................\.project
...................\.settings
...................\.........\org.eclipse.jdt.core.prefs
...................\bin
...................\...\TreeEditFrame$1.class
...................\...\TreeEditFrame$2.class
...................\...\TreeEditFrame$3.class
...................\...\TreeEditFrame.class
...................\...\TreeEditTest$1.class
...................\...\TreeEditTest.class
...................\src
...................\...\TreeEditTest.java