SSpread.TopRow Property

Set the number of the line to be displayed on the top line. The initial value is 1.

If the row display is freezed with the RowsFrozen property, it will be the number of the top column that can be scrolled.

Use the LeftCol property for the leftmost row. The right and bottom cells can be obtained with the GetBottomRightCell method. The TopLeftChange event is fired when the display area is scrolled.