Public Property Priority As Integer

Dim instance As ConditionalFormattingRule
Dim value As Integer
 
instance.Priority = value
 
value = instance.Priority

public int Priority {get; set;}

protected void Page_Load(object sender, System.EventArgs e)
                       {
                           FpSpread1.Sheets[0].Cells[0, 0].Value = 3;
                           FpSpread1.Sheets[0].Cells[1, 0].Value = 2;
                           FpSpread1.Sheets[0].Cells[1, 1].Value = 10;
                           FpSpread1.Sheets[0].Cells[0, 2].Value = 1;              
                       }

 protected void Button1_Click(object sender, EventArgs e)
        {
            FarPoint.Web.Spread.IconSetConditionalFormattingRule rule = new FarPoint.Web.Spread.IconSetConditionalFormattingRule(FarPoint.Web.Spread.ConditionalFormattingIconSetStyle.ThreeFlags);
            FarPoint.Web.Spread.ConditionalFormatting cfRule = new FarPoint.Web.Spread.ConditionalFormatting(new FarPoint.Web.Spread.Model.CellRange(0, 1, 5, 1), rule);
            FpSpread1.ActiveSheetView.ConditionalFormatting.Add(cfRule);
            rule.Priority = 1;
            FarPoint.Web.Spread.IconSetConditionalFormattingRule rule1 = new FarPoint.Web.Spread.IconSetConditionalFormattingRule(FarPoint.Web.Spread.ConditionalFormattingIconSetStyle.FiveRatings);
            FarPoint.Web.Spread.ConditionalFormatting cfRule1 = new FarPoint.Web.Spread.ConditionalFormatting(new FarPoint.Web.Spread.Model.CellRange(0, 1, 6, 1), rule1);
            FpSpread1.ActiveSheetView.ConditionalFormatting.Add(cfRule1);
            rule1.Priority = 2; 
        }

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
            FpSpread1.Sheets(0).Cells(0, 0).Value = 3
            FpSpread1.Sheets(0).Cells(1, 0).Value = 2
            FpSpread1.Sheets(0).Cells(1, 1).Value = 10
            FpSpread1.Sheets(0).Cells(0, 2).Value = 1
        End Sub

Dim rule As New FarPoint.Web.Spread.IconSetConditionalFormattingRule(FarPoint.Web.Spread.ConditionalFormattingIconSetStyle.ThreeFlags)
Dim cfRule As New FarPoint.Web.Spread.ConditionalFormatting(New FarPoint.Web.Spread.Model.CellRange(0, 1, 5, 1), rule)
FpSpread1.ActiveSheetView.ConditionalFormatting.Add(cfRule)
Rule.Priority = 1
Dim rule1 = New FarPoint.Web.Spread.IconSetConditionalFormattingRule(FarPoint.Web.Spread.ConditionalFormattingIconSetStyle.FiveRatings)
Dim cfRule1 = New FarPoint.Web.Spread.ConditionalFormatting(New FarPoint.Web.Spread.Model.CellRange(0, 1, 6, 1), rule1)
FpSpread1.ActiveSheetView.ConditionalFormatting.Add(cfRule1)
rule1.Priority = 2