Gets and sets the property VerticalAlign. 
            
            The vertical position of the watermark unless you specify a non-zero value for   
                         CopyC#:
CopyC#: VerticalOffset
- Top: The top edge of the watermark is aligned with the top border of the video.
- Bottom: The bottom edge of the watermark is aligned with the bottom border of the video.
- Center: The watermark is centered between the top and bottom borders.
 Declaration Syntax
 Declaration Syntax| C# | 
public string VerticalAlign { get; set; }