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using System;
namespace System.Windows.Documents
{
/// <summary>
/// An attribute that controls editing behavior of elements.
/// </summary>
[AttributeUsage(AttributeTargets.Class)]
public sealed class TextElementEditingBehaviorAttribute : System.Attribute
{
/// <summary>
/// Constructor
/// </summary>
public TextElementEditingBehaviorAttribute()
{
}
/// <summary>
/// If true, the element can be merged with other elements of the same type when
/// properties are the same. This also affects other aspects of editing around the
/// element. If true and the element is at the end of the document, there is no
/// insertion position outside the element; if false under these conditions, there is
/// no insertion position inside instead. An empty mergeable element at the start of
/// the document will be preserved; an empty non-mergeable element will be discarded.
/// A mergeable element can be split by inserting a paragraph break inside; a
/// non-mergeable cannot, and the editor will not allow a break to be inserted.
/// </summary>
public bool IsMergeable
{
get { return _isMergeable; }
set { _isMergeable = value; }
}
/// <summary>
/// If true, the element has only typographic meaning-- it exists solely to format
/// content. If false, the element has contextual meaning or UI behavior that would
/// make no sense to carry over into a new context that doesn't know how to handle
/// that behavior.
///
/// When an element is partially selected and copied, formatting will be lost on the
/// new copy if IsTypographicOnly is false (e.g. Hyperlink). If true, formatting will
/// persist.
/// </summary>
public bool IsTypographicOnly
{
get { return _isTypographicOnly; }
set { _isTypographicOnly = value; }
}
private bool _isMergeable;
private bool _isTypographicOnly;
}
}
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