Vertically scrolls through the active sheet by percentage or by row number
static int VScroll( double position, bool row_logical = false );
Position specifies the row you want to scroll to.
Row_logical is a logical value specifying how the function scrolls.
Zero if the function has been called successfully; non-zero if the function could not be called. See Error codes for a list of return values.
See the Microsoft Excel on-line Help for full details about this function.