Xaml Serialization to the rescue.
The following sample code will persist the current Listview state to disk and restore it the next time the control is loaded.
[code:c#]
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525"
Loaded="OnLoaded"
[/code]
Code behind
[code:c#]
using System;
using System.IO;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Markup;
namespace WpfApplication1
{
///
/// Interaction logic for MainWindow.xaml
///
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void lvInit(object sender, EventArgs e)
{
GridView gv = lvTest.View as GridView;
gv.Columns.CollectionChanged += (s, gvE) =>
{
if (gvE.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Move)
{
SaveState();
}
};
}
private void SaveState()
{
string lvXaml = XamlWriter.Save(lvTest);
using (var s = new StreamWriter(@"c:\temp\lv.xaml"))
{
s.Write(lvXaml);
}
}
private void OnLoaded(object sender, RoutedEventArgs e)
{
ListView li = null;
if (File.Exists(@"c:\temp\lv.xaml"))
bdr.Child = (ListView)XamlReader.Load(File.OpenRead(@"c:\temp\lv.xaml"));
}
}
}
[/code]