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;
}
}
fpSpread1.AddCustomFunction(new CubeFunctionInfo());
fpSpread1.ActiveSheet.SetFormula(1, 1, "CUBE(4)");
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
FpSpread1.ActiveSheet.AddCustomFunction(New CubeFunctionInfo)
FpSpread1.ActiveSheet.SetFormula(0, 0, "CUBE(4)")
fpSpread1.Sheets[0].SetFormula(0, 0, "SUM('C:\\Program Files (x86)\\GrapeCity\\[SumTest.xlsx]Sheet1'!A1:A4)");
fpSpread1.AllowUserFormulas = true;
FpSpread1.Sheets(0).SetFormula(0, 0, "SUM('C:\Program Files (x86)\GrapeCity\[SumTest.xlsx]Sheet1'!A1:A4)")
FpSpread1.AllowUserFormulas = True