GrapeCity.Windows.SpreadSheet.UI Namespace > GcSpreadSheet Class : ClearCustomFunctions Method |
'Declaration Public Sub ClearCustomFunctions()
'Usage Dim instance As GcSpreadSheet instance.ClearCustomFunctions()
public void ClearCustomFunctions()
public class CubeFunctionInfo : GrapeCity.CalcEngine.Functions.CalcFunction { 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, bool arrayformulamode) { double num = GrapeCity.CalcEngine.CalcConvert.ToDouble(args[0]); return num * num * num; } public override object Evaluate(object[] args, object context, bool arrayformulamode) { return Evaluate(args, arrayformulamode); } } private void button1_Click(object sender, RoutedEventArgs e) { gcSpreadSheet1.AddCustomFunction(new CubeFunctionInfo()); // or //gcSpreadSheet1.Sheets[0].AddCustomFunction(new CubeFunctionInfo()); gcSpreadSheet1.Sheets[0].SetFormula(1, 1, "CUBE(4)"); //gcSpreadSheet1.ClearCustomFunctions(); }
Public Class CubeFunctionInfo Inherits GrapeCity.CalcEngine.Functions.CalcFunction 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(args As Object(), Optional arrayformulamode As Boolean = False) As Object Dim num As Double = GrapeCity.CalcEngine.CalcConvert.ToDouble(args(0)) Return num * num * num End Function Public Overrides Function Evaluate(args As Object(), context As Object, Optional arrayformulamode As Boolean = False) As Object Return Evaluate(args, arrayformulamode) End Function End Class Private Sub Button1_Click(sender As System.Object, e As System.Windows.RoutedEventArgs) Handles Button1.Click GcSpreadSheet1.AddCustomFunction(New CubeFunctionInfo()) ' Or 'GcSpreadSheet1.Sheets(0).AddCustomFunction(New CubeFunctionInfo()) GcSpreadSheet1.Sheets(0).SetFormula(1, 1, "CUBE(4)") 'GcSpreadSheet1.ClearCustomFunctions() End Sub
Target Platforms: Windows 7, Windows 8 Desktop, Windows Vista SP1 or later, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6