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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
using System;
using ICSharpCode.AvalonEdit.Utils;
namespace ICSharpCode.AvalonEdit.Rendering
{
/// <summary>
/// Contains weak event managers for the TextView events.
/// </summary>
public static class TextViewWeakEventManager
{
/// <summary>
/// Weak event manager for the <see cref="TextView.DocumentChanged"/> event.
/// </summary>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
public sealed class DocumentChanged : WeakEventManagerBase<DocumentChanged, TextView>
{
/// <inheritdoc/>
protected override void StartListening(TextView source)
{
source.DocumentChanged += DeliverEvent;
}
/// <inheritdoc/>
protected override void StopListening(TextView source)
{
source.DocumentChanged -= DeliverEvent;
}
}
/// <summary>
/// Weak event manager for the <see cref="TextView.VisualLinesChanged"/> event.
/// </summary>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
public sealed class VisualLinesChanged : WeakEventManagerBase<VisualLinesChanged, TextView>
{
/// <inheritdoc/>
protected override void StartListening(TextView source)
{
source.VisualLinesChanged += DeliverEvent;
}
/// <inheritdoc/>
protected override void StopListening(TextView source)
{
source.VisualLinesChanged -= DeliverEvent;
}
}
/// <summary>
/// Weak event manager for the <see cref="TextView.ScrollOffsetChanged"/> event.
/// </summary>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
public sealed class ScrollOffsetChanged : WeakEventManagerBase<ScrollOffsetChanged, TextView>
{
/// <inheritdoc/>
protected override void StartListening(TextView source)
{
source.ScrollOffsetChanged += DeliverEvent;
}
/// <inheritdoc/>
protected override void StopListening(TextView source)
{
source.ScrollOffsetChanged -= DeliverEvent;
}
}
}
}
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