Display the page designated by page, with the vertical coordinate top positioned at the top edge of the window and the contents of the page magnified just enough to fit the entire width of its bounding box within the window. A null value for top specifies that the current value of that parameter is to be retained unchanged.

'Declaration
 
Public Class DestinationFitBH 
   Inherits Destination
   Implements GrapeCity.Documents.Pdf.Actions.IAction 

public class DestinationFitBH : Destination, GrapeCity.Documents.Pdf.Actions.IAction