Creates a new expression with an error constant value.
Syntax
| Visual Basic (Declaration) | |
|---|
Public Function New( _
ByVal value As CalcError _
) |
Parameters
- value
- Error value
Exceptions
Example
This example returns the error.
| C# |  Copy Code |
|---|
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(); |
| Visual Basic | Copy Code |
|---|
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() |
Requirements
Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8
See Also
