internal override void RemoveEnding()
{
ParagraphFormatInfo pfInfo = (ParagraphFormatInfo)this.FormatInfo;
pfInfo.RemoveEnding();
Area contentArea = this.LayoutInfo.ContentArea;
contentArea.Height -= this.LayoutInfo.TrailingHeight;
}
/// <summary>
///
/// </summary>
/// <param name="mergeInfo"></param>
/// <returns></returns>
internal void Append(FormatInfo mergeInfo)
{
ParagraphFormatInfo formatInfo = (ParagraphFormatInfo)mergeInfo;
this.lineInfos.AddRange(formatInfo.lineInfos);
}