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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
// Description: DataTemplateSelector allows the app writer to provide custom template selection logic.
//
// Specs: Styling Revisited.doc
//
namespace System.Windows.Controls
{
/// <summary>
/// <p>
/// DataTemplateSelector allows the app writer to provide custom template selection logic.
/// For example, with a class Bug as the Content,
/// use a particular template for Pri1 bugs and a different template for Pri2 bugs.
/// </p>
/// <p>
/// An application writer can override the SelectTemplate method in a derived
/// selector class and assign an instance of this class to the ContentTemplateSelector property on
/// <seealso cref="ContentPresenter"/> class.
/// </p>
/// </summary>
public class DataTemplateSelector
{
/// <summary>
/// Override this method to return an app specific <seealso cref="DataTemplate"/>.
/// </summary>
/// <param name="item">The data content</param>
/// <param name="container">The element to which the template will be applied</param>
/// <returns>an app-specific template to apply, or null.</returns>
public virtual DataTemplate SelectTemplate(object item, DependencyObject container)
{
return null;
}
}
}
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