//----------------------------------------------------------------
// <copyright company="Microsoft Corporation">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//----------------------------------------------------------------
namespace System.Activities.Presentation.ViewState
{
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Windows.Markup;
/// <summary>
/// This class is used to hold ViewStateData for all activities in the workflow as an attached
/// property on the root of the xaml document.
/// </summary>
[ContentProperty("ViewStateData")]
public sealed class ViewStateManager
{
Collection<ViewStateData> viewStateData;
/// <summary>
/// Creates a new instance of ViewStateManager
/// </summary>
public ViewStateManager()
{
}
/// <summary>
/// Gets a collection of ViewStateData for all activities in the workflow
/// </summary>
public Collection<ViewStateData> ViewStateData
{
get
{
if (this.viewStateData == null)
{
this.viewStateData = new Collection<ViewStateData>();
}
return this.viewStateData;
}
}
}
}
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