/// <summary>
/// Removes the specified content from the outline.
/// </summary>
/// <param name="outlineContent">The content to be removed.</param>
public void RemoveContent(OutlineContent outlineContent)
{
RemoveChild(outlineContent);
}
/// <summary>
/// Adds the specified content to the outline.
/// </summary>
/// <param name="outlineContent">The content to be added.</param>
public void AddContent(OutlineContent outlineContent)
{
AddChild(outlineContent);
}