[Serializable()]
public class CubeFunctionInfo : FarPoint.CalcEngine.FunctionInfo
{
public override string Name { get { return "CUBE"; } }
public override int MinArgs { get { return 1; } }
public override int MaxArgs { get { return 1; } }
public override object Evaluate (object[] args)
{
double num = FarPoint.CalcEngine.CalcConvert.ToDouble(args[0]);
return num * num * num;
}
}
FarPoint.Web.Spread.Model.ICustomFunctionSupport cfs;
cfs = (FarPoint.Web.Spread.Model.ICustomFunctionSupport)FpSpread1.ActiveSheetView.DataModel;
cfs.AddCustomFunction(new CubeFunctionInfo());
FpSpread1.ActiveSheetView.SetFormula(1, 1, "CUBE(4)");
private void Button1Click(object sender, System.EventArgs e)
{
FarPoint.Web.Spread.Model.ICustomFunctionSupport2 cfs2;
cfs2 = (FarPoint.Web.Spread.Model.ICustomFunctionSupport2)FpSpread1.ActiveSheetView.DataModel;
cfs2.ClearCustomFunctions();
FpSpread1.ActiveSheetView.Recalculate();
}
<Serializable()>
Public Class CubeFunctionInfo
Inherits FarPoint.CalcEngine.FunctionInfo
Public Overrides ReadOnly Property Name() As String
Get
Return "CUBE"
End Get
End Property
Public Overrides ReadOnly Property MinArgs() As Integer
Get
Return 1
End Get
End Property
Public Overrides ReadOnly Property MaxArgs() As Integer
Get
Return 1
End Get
End Property
Public Overrides Function Evaluate(ByVal args() As Object) As Object
Dim num As Double = FarPoint.CalcEngine.CalcConvert.ToDouble(args(0))
Return num * num * num
End Function
End Class
Dim cfs As FarPoint.Web.Spread.Model.ICustomFunctionSupport
cfs = FpSpread1.ActiveSheetView.DataModel
cfs.AddCustomFunction(New CubeFunctionInfo)
FpSpread1.ActiveSheetView.SetFormula(1, 1, "CUBE(4)")
Private Sub Button1Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim cfs2 As FarPoint.Web.Spread.Model.ICustomFunctionSupport2
cfs2 = FpSpread1.ActiveSheetView.DataModel
cfs2.ClearCustomFunctions()
FpSpread1.ActiveSheetView.Recalculate()
End Sub