/// <summary>
 /// Create a new page on a drawing at the given index position.
 /// </summary>
 /// <param name="drawDocXDrawPages">The draw doc X draw pages.</param>
 /// <param name="pageIndex">Index of the page.</param>
 /// <returns>the new page or null if not successful.</returns>
 public static XDrawPage InsertNewPageByIndex(XDrawPages drawDocXDrawPages, int pageIndex)
 {
     XDrawPage xDrawPage = drawDocXDrawPages != null ? drawDocXDrawPages.insertNewByIndex(pageIndex) : null;
     return xDrawPage;
 }