FarPoint.Win.Spread.StyleInfo si = new FarPoint.Win.Spread.StyleInfo();
bool b;
si.BackColor = Color.Yellow;
fpSpread1.ActiveSheet.ColumnHeader.DefaultStyle = si;
b = si.IsBackColorSet();
label1.Text = b.ToString();
Dim si As New FarPoint.Win.Spread.StyleInfo
Dim b As Boolean
si.BackColor = Color.Yellow
FpSpread1.ActiveSheet.ColumnHeader.DefaultStyle = si
b = si.IsBackColorSet()
Label1.Text = b.ToString()