//Hongjia's codes end
/// <summary>
/// Loops through children of an <see cref="INode"/> and appends as <see cref="UIElement"/> to given <see cref="UIElementCollection"/>.
/// </summary>
/// <param name="node">The parent <see cref="INode"/>.</param>
/// <param name="elements">The <see cref="UIElementCollection"/> collection to add elements to.</param>
protected void AddChildren(INode node, BlockCollection elements)
{
var nodeQueue = UnfoldTagToCollection(node);
foreach (var child in nodeQueue)
{
var element = GenerateBlockForNode(child, elements);
if (elements.LastOrDefault() != element)
{
elements.Add(element);
}
}
}
private Paragraph GetOrCreateLastParagraph(BlockCollection blocks)
{
var lastBlock = blocks.LastOrDefault();
if (lastBlock != null)
{
return((Paragraph)lastBlock);
}
var paragraph = new Paragraph();
blocks.Add(paragraph);
return(paragraph);
}