|GetViewportLeftColumn(Int32)||Gets the leftmost column of cells of the specified viewport column for the active sheet.|
|GetViewportLeftColumn(Int32,Int32)||Gets the leftmost column of cells of the specified viewport column for the specified sheet.|
A viewport column is a column of viewports on a sheet that has been divided up with split bars. Each viewport column has its own horizontal scroll bar. For more information on viewports, refer to Customizing Viewports.
Typically, the first overload is for single-sheet solutions and the second overload is for multiple-sheet solutions.