FarPoint.Win.Spread.SheetView.DocumentModels dm = new FarPoint.Win.Spread.SheetView.DocumentModels();
dm = fpSpread1.ActiveSheet.Models;
FarPoint.Win.Spread.StyleInfo info = new FarPoint.Win.Spread.StyleInfo();
info.BackColor = Color.Red;
dm.ColumnHeaderStyle.SetDirectInfo(0, 0, info);
Dim dm As New FarPoint.Win.Spread.SheetView.DocumentModels()
dm = FpSpread1.ActiveSheet.Models
Dim info As New FarPoint.Win.Spread.StyleInfo()
info.BackColor = Color.Red
dm.ColumnHeaderStyle.SetDirectInfo(0, 0, info)