FarPoint.CalcEngine Assembly > FarPoint.CalcEngine Namespace > ArrayExpression Class : ArrayExpression Constructor |
'Usage Dim values() As Object Dim instance As New ArrayExpression(values)
Exception | Description |
---|---|
System.ArgumentNullException | values is a null reference (Nothing in Visual Basic) |
object[,] knownY = {{2.0, 3.0, 9.0, 1.0, 8.0, 7.0, 5.0}}; object[,] knownX = {{6.0, 5.0, 11.0, 7.0, 5.0, 4.0, 4.0}}; FarPoint.CalcEngine.Expression arg1 = new FarPoint.CalcEngine.ArrayExpression(knownY); FarPoint.CalcEngine.Expression arg2 = new FarPoint.CalcEngine.ArrayExpression(knownX); FarPoint.CalcEngine.Expression[] args = new FarPoint.CalcEngine.Expression[] {arg1, arg2}; FarPoint.CalcEngine.Expression func = new FarPoint.CalcEngine.FunctionExpression(FarPoint.CalcEngine.FunctionInfo.SlopeFunction,args); //Spread for Windows Forms ((FarPoint.Win.Spread.Model.IExpressionSupport)fpSpread1.ActiveSheet.Models.Data).SetExpression(0, 0, func); //Spread for Web Forms ((FarPoint.Web.Spread.Model.IExpressionSupport)FpSpread1.Sheets[0].DataModel).SetExpression(0, 0, func);
Dim x As Object(,) = {{2.0, 3.0, 9.0, 1.0, 8.0, 7.0, 5.0}} Dim y As Object(,) = {{6.0, 5.0, 11.0, 7.0, 5.0, 4.0, 4.0}} Dim arg1 As New FarPoint.CalcEngine.ArrayExpression(x) Dim arg2 As New FarPoint.CalcEngine.ArrayExpression(y) Dim args() As FarPoint.CalcEngine.Expression = {arg1, arg2} Dim func As New FarPoint.CalcEngine.FunctionExpression(FarPoint.CalcEngine.FunctionInfo.SlopeFunction, args) 'Spread for Windows Forms CType(FpSpread1.ActiveSheet.Models.Data, FarPoint.Win.Spread.Model.IExpressionSupport).SetExpression(0, 0, func) 'Spread for Web Forms CType(FpSpread1.Sheets(0).DataModel, FarPoint.Web.Spread.Model.IExpressionSupport).SetExpression(0, 0, func)
Target Platforms: Windows 7, Windows 8, Windows Vista, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6