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namespace System.Activities.Presentation.Documents {
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Windows;
using System.Windows.Media;
using System.Activities.Presentation;
using System.Activities.Presentation.Model;
using System.Activities.Presentation.Services;
/// <summary>
/// A ViewManager is a class that manages and provides the view
/// for the designer. The view manager is used by MarkupDocumentManager
/// to provide the view for the designer.
/// </summary>
abstract class ViewManager : IDisposable {
/// <summary>
/// Returns the view for the designer. This will return null until
/// Initialize has been called.
/// </summary>
public abstract Visual View { get; }
/// <summary>
/// Initializes this view manager with the given model tree.
/// </summary>
/// <param name="context">The editing context for the designer.</param>
/// <exception cref="ArgumentNullException">If model is null.</exception>
public abstract void Initialize(EditingContext context);
/// <summary>
/// Disposes this view manager.
/// </summary>
public void Dispose() {
Dispose(true);
GC.SuppressFinalize(this);
}
/// <summary>
/// Disposes this view manager.
/// <param name="disposing">True if this object is being disposed, or false if it is finalizing.</param>
/// </summary>
protected virtual void Dispose(bool disposing) {
}
}
}
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