FarPoint.CalcEngine Assembly > FarPoint.CalcEngine Namespace > ErrorExpression Class : ErrorExpression Constructor |
'Usage Dim value As CalcError Dim instance As New ErrorExpression(value)
Exception | Description |
---|---|
System.ArgumentNullException | value is a null reference (Nothing in Visual Basic) |
FarPoint.CalcEngine.ErrorExpression expr = new FarPoint.CalcEngine.ErrorExpression(FarPoint.CalcEngine.CalcError.NotAvailable); FarPoint.CalcEngine.Expression[] args = {expr}; FarPoint.CalcEngine.FunctionExpression func = new FarPoint.CalcEngine.FunctionExpression(FarPoint.CalcEngine.FunctionInfo.IsErrorFunction, args); //Spread for Windows Forms ((FarPoint.Win.Spread.Model.IExpressionSupport)(fpSpread1.ActiveSheet.Models.Data)).SetExpression(0, 0, func); MessageBox.Show(FarPoint.CalcEngine.CalcError.Name.ToString()); //Spread for Web Forms ((FarPoint.Web.Spread.Model.IExpressionSupport)(FpSpread1.Sheets[0].DataModel)).SetExpression(0, 0, func); TextBox1.Text = FarPoint.CalcEngine.CalcError.Name.ToString();
Dim expr As New FarPoint.CalcEngine.ErrorExpression(FarPoint.CalcEngine.CalcError.NotAvailable) Dim args() As FarPoint.CalcEngine.Expression = {expr} Dim func As New FarPoint.CalcEngine.FunctionExpression(FarPoint.CalcEngine.FunctionInfo.IsErrorFunction, args) 'Spread for Windows Forms CType(FpSpread1.ActiveSheet.Models.Data, FarPoint.Win.Spread.Model.IExpressionSupport).SetExpression(0, 0, func) MessageBox.Show(expr.ErrorValue.Name.ToString) 'Spread for Web Forms CType(FpSpread1.Sheets(0).DataModel, FarPoint.Web.Spread.Model.IExpressionSupport).SetExpression(0, 0, func) TextBox1.Text = expr.ErrorValue.Name.ToString()
Target Platforms: Windows 7, Windows 8, Windows 10, Windows Vista, Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows XP Professional