Unable to get values from the ScriptGetBottomRightCell method w.r.t SPR32X60_SpreadSheet grid

Not able to get values from the ScriptGetBottomRightCell  methods w.r.t SPR32X60_SpreadSheet grid. 



For the SPR32X60_SpreadSheet object grid, which is of type ActiveX, native methods like ScriptGetBottomRightCell do not return the expected values.