Public Overridable Sub Insert( _
   ByVal index As Integer, _
   ByVal style As NamedStyle _
) 

Dim instance As NamedStyleCollection
Dim index As Integer
Dim style As NamedStyle
 
instance.Insert(index, style)

public virtual void Insert( 
   int index,
   NamedStyle style
)

FarPoint.Win.Spread.NamedStyleCollection nsc = new FarPoint.Win.Spread.NamedStyleCollection();
FarPoint.Win.Spread.NamedStyle ns1 = new FarPoint.Win.Spread.NamedStyle();
FarPoint.Win.Spread.NamedStyle ns2 = new FarPoint.Win.Spread.NamedStyle();
FarPoint.Win.Spread.NamedStyle ns3 = new FarPoint.Win.Spread.NamedStyle("btncellstyle");
int i;
ns1.BackColor = Color.LightBlue;
ns2.BackColor = Color.Gray;
ns3.CellType = new FarPoint.Win.Spread.CellType.ButtonCellType();
nsc.AddRange(new Object[] {ns1, ns2});
nsc.Insert(1, ns3);
fpSpread1.NamedStyles = nsc;
fpSpread1.ActiveSheet.ColumnHeader.DefaultStyle = nsc[0];
fpSpread1.ActiveSheet.DefaultStyle = nsc[2];
fpSpread1.ActiveSheet.Cells[0, 0].StyleName = "btncellstyle";
i = nsc.IndexOf(ns3);
label1.Text = "The index of btncellstyle in the collection is " + i.ToString(); 

Dim nsc As New FarPoint.Win.Spread.NamedStyleCollection()
Dim ns1 As New FarPoint.Win.Spread.NamedStyle("StyleHeaders", "HeaderDefault")
Dim ns2 As New FarPoint.Win.Spread.NamedStyle("StyleData", "DataAreaDefault")
Dim ns3 As New FarPoint.Win.Spread.NamedStyle("btncellstyle")
Dim i As Integer
ns1.BackColor = Color.LightBlue
ns2.BackColor = Color.Gray
ns3.CellType = New FarPoint.Win.Spread.CellType.ButtonCellType()
nsc.AddRange(New Object() {ns1, ns2})
nsc.Insert(1, ns3)
FpSpread1.NamedStyles = nsc
FpSpread1.ActiveSheet.ColumnHeader.DefaultStyle = nsc(0)
FpSpread1.ActiveSheet.DefaultStyle = nsc(2)
FpSpread1.ActiveSheet.Cells(0, 0).StyleName = "btncellstyle"
i = nsc.IndexOf(ns3)
Label1.Text = "The index of btncellstyle in the collection is " & i.ToString()