UFT Pro (LeanFT) .NET SDK Reference, Version 14.03
PreviousLine Method (IScrollBar)
Optional. The number of lines to move the scroll bar (Default = 1).
Moves this scroll bar up the specified number of lines or emulates pressing the left arrow key the specified number of times.
Syntax
void PreviousLine( 
   int numberOfLines
)

Parameters

numberOfLines
Optional. The number of lines to move the scroll bar (Default = 1).