Gets and sets the property HorizontalAlign. 
            
            The horizontal position of the watermark unless you specify a non-zero value for 
                           CopyC#:
CopyC#: HorizontalOffset
- Left: The left edge of the watermark is aligned with the left border of the video.
- Right: The right edge of the watermark is aligned with the right border of the video.
- Center: The watermark is centered between the left and right borders.
 Declaration Syntax
 Declaration Syntax| C# | 
public string HorizontalAlign { get; set; }