使用ListView和TreeView实现读取文件并显示文件的ICON。

建立简单的数据结构，从文件中读取并存储特定的一组数据。最终利用树形控件，将数据按其特定的格式显示出来-Create a simple data structure, read from the file and store a specific set of data. Eventually use tree controls, the data according to their specific format display

使用C#的WPF界面，编程读取XML文件，并利用TreeView控件进行显示，主要是为了演示如何用C#读Xml文件以及TreeView控件的使用方法-use WPF in C# and programme to read the XML file,and make use of the control of TreeView to show the content of XML file.This Demo is mainly to demostrate how to read XML file