title: how to get current application path in wpf
body: <pre><code>public XML()
  {
      this.InitializeComponent();
  
      XmlDocument document_name = new XmlDocument();       
      XmlElement student = document_name.CreateElement("Student");
      XmlElement name = document_name.CreateElement("Chandru");
      student.AppendChild(name);
      document_name.AppendChild(student);
      XmlAttribute id = document_name.CreateAttribute("ID");
      name.SetAttributeNode(id);
      id.Value = "sst5038";
      XmlElement fname = document_name.CreateElement("FName");
      fname.InnerText = "Anjappn";
      name.AppendChild(fname);
      XmlElement mname = document_name.CreateElement("MName");
      mname.InnerText = "Thaiyamuthu";
      name.AppendChild(mname);
      document_name.AppendChild(student);
      document_name.Save(@"D:\student.xml");
  }
  </code></pre>
  
  <p>with above code.I create one xml file as code behind in wpf and i save this file in my local disk D:\student.xml</p>
  
  <pre><code> document_name.Save(@"D:\student.xml");
  </code></pre>
  
  <p>But i want to save this xml file (student.xml) in my project file which i am working now.</p>
  
  <p>what should i do for this.</p>
  
  <p>please help me...</p>