File list (Check if you may need any files):
ThreadTree\num.txt
..........\num1.txt
..........\num2.txt
..........\Tree\main.cpp
..........\....\mainwindow.cpp
..........\....\mainwindow.h
..........\....\mainwindow.ui
..........\....\Node.cpp
..........\....\Node.h
..........\....\QtNode.cpp
..........\....\QtNode.h
..........\....\QtTree.cpp
..........\....\QtTree.h
..........\....\Thread_Tree.pro
..........\....\Thread_Tree.pro.user
..........\....\Tree.cpp
..........\....\Tree.h
..........\....\widget.cpp
..........\....\widget.h
..........\....\widget.ui
..........\使用说明.txt
..........\Tree
ThreadTree
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