/// <summary>
/// Gets the last section's <see cref="PageSize" /> element.
/// </summary>
/// <param name="document">The document</param>
/// <returns>The <see cref="PageSize" /> element</returns>
public static PageSize GetPageSize(this WordprocessingDocument document)
{
if (document == null)
{
throw new ArgumentNullException("document");
}
return(document.GetSectionProperties().GetFirstChild <PageSize>());
}
