FarPoint.Web.Spread.StyleInfo copy = new FarPoint.Web.Spread.StyleInfo("HeaderDefault");
copy.Border = new FarPoint.Web.Spread.Border(BorderStyle.Dotted, Color.DarkBlue);
FarPoint.Web.Spread.StyleInfo si = new FarPoint.Web.Spread.StyleInfo("MyStyle", copy);
FpSpread1.ActiveSheetView.ColumnHeader.DefaultStyle = si;
Dim copy As New FarPoint.Web.Spread.StyleInfo("HeaderDefault")
copy.Border = New FarPoint.Web.Spread.Border(BorderStyle.Dotted, Color.DarkBlue)
Dim si As New FarPoint.Web.Spread.StyleInfo("MyStyle", copy)
FpSpread1.ActiveSheetView.ColumnHeader.DefaultStyle = si