sheet.setValue(0, 0, "value");
sheet.addRows(0, 2);
sheet.addColumns(0, 2);
sheet.setRowHeight(0, 50.0,GC.Spread.Sheets.SheetArea.viewport);
sheet.setColumnWidth(0, 150.0,GC.Spread.Sheets.SheetArea.viewport);
sheet.getRange(0, -1, 1, -1,GC.Spread.Sheets.SheetArea.viewport).backColor("Gray");
sheet.getRange(-1, 0, -1, 1,GC.Spread.Sheets.SheetArea.viewport).backColor ("Brown");