Initializes a new instance of the Figure class, taking a specified Block object as the initial contents of the new Figure, and a TextPointer specifying an insertion position for the new Figure element.
Span spanx = new Span();
Paragraph parx = new Paragraph(new Run("Figure content..."));
// This will populate the Figure with the Paragraph parx, and insert // the Figure at the beginning of the Span spanx.
Figure figx = new Figure(parx, spanx.ContentStart);