arusslabs -

public enum ItemType
{
	Default,
	Editable
}
 
public class ItemViewModel : INotifyPropertyChanged
{
	private ItemType _type;
	public ItemType ItemType
	{
		get { return _type; }
		set
		{
			if (value != _type)
			{
				_type = value;
				NotifyPropertyChanged("ItemType");
			}
		}
	}
 
	...

public static class ResourceHelper
{
	public static object FindResource(string name)
	{
		if (App.Current.Resources.Contains(name))
			return App.Current.Resources[name];
		else
		{
			FrameworkElement root = App.Current.RootVisual as FrameworkElement;
			return root.FindResource(name);
		}
	}
 
	internal static object FindResource(this FrameworkElement root, string name)
	{
		if (root != null && root.Resources.Contains(name))
			return root.Resources[name];
		else
		{
			try
			{
				return root.FindName(name);
			}
			catch { }
		}
 
		return null;
	}
}

public class ListBoxItemTemplateConverter : IValueConverter
{
	public object Convert(object value, System.Type targetType, object parameter, 
		System.Globalization.CultureInfo culture)
	{
		return ResourceHelper.FindResource(string.Format("ListBoxItem{0}Style", 
			value.ToString())); 
	}
 
	public object ConvertBack(object value, System.Type targetType, object parameter, 
		System.Globalization.CultureInfo culture)
	{
		throw new System.NotImplementedException();
	}
}

<local:ListBoxItemTemplateConverter x:Key="ListBoxItemTemplateConverter"/>
 
<Style x:Key="ListBoxItemDefaultStyle" TargetType="ListBoxItem">
	<Setter Property="Template">
		<Setter.Value>
			<ControlTemplate TargetType="ListBoxItem">
				<StackPanel Margin="0,0,0,17" Width="432" >
					<TextBlock Text="{Binding LineOne}" TextWrapping="Wrap" 
						Style="{StaticResource PhoneTextExtraLargeStyle}"/>
					<TextBlock Text="{Binding LineTwo}" TextWrapping="Wrap" 
						Margin="12,-6,12,0" 
						Style="{StaticResource PhoneTextSubtleStyle}"/>
				</StackPanel>
			</ControlTemplate>
		</Setter.Value>
	</Setter>
</Style>
 
<Style x:Key="ListBoxItemEditableStyle" TargetType="ListBoxItem">
	<Setter Property="Template">
		<Setter.Value>
			<ControlTemplate TargetType="ListBoxItem">
				<StackPanel Margin="0,0,0,17" Width="432" >
					<TextBox Text="{Binding LineOne, Mode=TwoWay}" />
					<TextBlock Text="{Binding LineTwo}" TextWrapping="Wrap" 
						Margin="12,-6,12,0" 
						Style="{StaticResource PhoneTextSubtleStyle}"/>
				</StackPanel>
			</ControlTemplate>
		</Setter.Value>
	</Setter>
</Style>

<ListBox x:Name="MainListBox" Margin="0,0,-12,0" ItemsSource="{Binding Items}" 
	SelectionChanged="MainListBox_SelectionChanged">
	<ListBox.ItemTemplate>
		<DataTemplate>
			<!-- is blendable if you use sample data -->
			<ListBoxItem Style="{Binding Path=ItemType, 
				Converter={StaticResource ListBoxItemTemplateConverter}}" />
 
			<!-- Bind a item  -->
			<!--<ListBoxItem Style="{Binding 
				Converter={StaticResource ListBoxItemTemplateConverter}}" /> --> 
 
			<!-- Works only after compiling -->
			<!--<ListBoxItem Style="{Binding Path=ListBoxItemStyle}" /> --> 
		</DataTemplate>
	</ListBox.ItemTemplate>
</ListBox>

using Microsoft.Xna.Framework.Content.Pipeline.Serialization.Intermediate; 
 
namespace arusslabs.Xna.Content.Pipeline 
{ 
    public static class XmlContentWriter 
    { 
        public static void Write(object value, string filePath) 
        { 
            XmlWriterSettings xmlSettings = new XmlWriterSettings(); 
            xmlSettings.Indent = true; 
 
            using (XmlWriter xmlWriter = XmlWriter.Create(filePath, xmlSettings)) 
                IntermediateSerializer.Serialize(xmlWriter, value, null); 
         } 
    } 
}