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Hassan Said
NA
11
661
how to do databinding between more XML files for TreeView
Dec 22 2016 6:08 AM
Hello,
I have more XML Files and
I want to make from this files a Treeview.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Xml;
namespace TreeView_Test
{
public partial class MainWindow : Window
{
private TreeViewItem tree; // TreeViewItem reference
public MainWindow()
{
InitializeComponent();
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
XmlReaderSettings settings = new XmlReaderSettings();
settings.IgnoreWhitespace = true;
XmlReader reader = XmlReader.Create("XML1.PKG", settings);
tree = new TreeViewItem(); // instantiate TreeViewItem
tree.Header = "Projekt"; // assign name to TreeViewItem
xmlTreeView.Items.Add(tree); // add TreeViewItem to TreeView
BuildTree(reader, tree); // build node and tree hierarchy
}
private void BuildTree(XmlReader reader, TreeViewItem TreeViewItem)
{
// TreeViewItem to add to existing tree
TreeViewItem newNode = new TreeViewItem();
while (reader.Read())
{
// build tree based on node type
switch (reader.NodeType)
{
// if Text node, add its value to tree
case XmlNodeType.Text:
newNode.Header = reader.Value;
TreeViewItem.Items.Add(newNode);
break;
case XmlNodeType.EndElement: // if EndElement, move up tree
TreeViewItem = (TreeViewItem)TreeViewItem.Parent;
break;
// if new element, add name and traverse tree
case XmlNodeType.Element:
// determine if element contains content
if (!reader.IsEmptyElement)
{
// assign node text, add newNode as child
newNode.Header = reader.Name;
TreeViewItem.Items.Add(newNode);
// set TreeViewItem to last child
TreeViewItem = newNode;
} // end if
else // do not traverse empty elements
{
// assign NodeType string to newNode
// and add it to tree
newNode.Header = reader.NodeType.ToString();
TreeViewItem.Items.Add(newNode);
} // end else
break;
default: // all other types, display node type
newNode.Header = reader.NodeType.ToString();
TreeViewItem.Items.Add(newNode);
break;
} // end switch
newNode = new TreeViewItem();
} // end while
}
}
}
---------------------------------------------------------------------------------------------------------------------------------------------
thanks
Attachment:
TreeView_Test.zip
Reply
Answers (
1
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