fpSpread1.ActiveSheet.ColumnHeader.DefaultStyle.Renderer = new FarPoint.Win.Spread.CellType.ColumnHeaderRenderer();
fpSpread1.ActiveSheet.RowHeader.DefaultStyle.Renderer = new FarPoint.Win.Spread.CellType.RowHeaderRenderer();
fpSpread1.ActiveSheet.SheetCorner.DefaultStyle.Renderer = new FarPoint.Win.Spread.CellType.CornerRenderer();
fpSpread1.InterfaceRenderer = null;
FarPoint.Win.Spread.DefaultSpreadSkins.Default.Apply(fpSpread1);
FpSpread1.ActiveSheet.ColumnHeader.DefaultStyle.Renderer = New FarPoint.Win.Spread.CellType.ColumnHeaderRenderer
FpSpread1.ActiveSheet.RowHeader.DefaultStyle.Renderer = New FarPoint.Win.Spread.CellType.RowHeaderRenderer
FpSpread1.ActiveSheet.SheetCorner.DefaultStyle.Renderer = New FarPoint.Win.Spread.CellType.CornerRenderer
FpSpread1.InterfaceRenderer = Nothing
FarPoint.Win.Spread.DefaultSpreadSkins.Default.Apply(FpSpread1)