You can use the CurrentPage property to specify or determine the page number of the page displayed in the Snapshot Viewer control.
Setting
The CurrentPage property setting is a Long value representing a page number in a snapshot.
This property is available only by using Visual Basic..
Remarks
If you set this property to an invalid page number, load an invalid file type, or try to access it while the ReadyState property is less than 4, then an error will occur.