Creates a new expression with a double constant value.
Syntax
| Visual Basic (Declaration) | |
|---|
Public Function New( _
ByVal value As Double _
) |
Parameters
- value
- Double value
Example
This example creates a custom name using a DoubleExpression.
| C# |  Copy Code |
|---|
//Spread for Windows Forms
FarPoint.CalcEngine.DoubleExpression de = new FarPoint.CalcEngine.DoubleExpression(55.0);
fpSpread1.ActiveSheet.AddCustomName("Alpha", de);
fpSpread1.ActiveSheet.SetFormula(0, 0, "Alpha * 10");
FarPoint.CalcEngine.Expression expr = fpSpread1.ActiveSheet.GetCustomName("Alpha");
if (expr is FarPoint.CalcEngine.DoubleExpression)
{
FarPoint.CalcEngine.DoubleExpression ex = ((FarPoint.CalcEngine.DoubleExpression)(expr));
MessageBox.Show("The double value is " + ex.DoubleValue.ToString());
}
//Spread for Web Forms
FarPoint.CalcEngine.DoubleExpression de = new FarPoint.CalcEngine.DoubleExpression(55.0);
FarPoint.Web.Spread.Model.DefaultSheetDataModel dataModel = new FarPoint.Web.Spread.Model.DefaultSheetDataModel();
dataModel = (FarPoint.Web.Spread.Model.DefaultSheetDataModel)FpSpread1.ActiveSheetView.DataModel;
dataModel.AddCustomName("Alpha", de);
FpSpread1.Sheets[0].SetFormula(0, 0, "Alpha * 10");
FarPoint.CalcEngine.Expression expr = dataModel.GetCustomName("Alpha");
if (expr is FarPoint.CalcEngine.DoubleExpression)
{
FarPoint.CalcEngine.DoubleExpression ex = ((FarPoint.CalcEngine.DoubleExpression)(expr));
TextBox1.Text = "The double value is " + ex.DoubleValue.ToString();
} |
| Visual Basic | Copy Code |
|---|
'Spread for Windows Forms
Dim de As New FarPoint.CalcEngine.DoubleExpression(55.0)
FpSpread1.ActiveSheet.AddCustomName("Alpha", de)
FpSpread1.ActiveSheet.SetFormula(0, 0, "Alpha * 10")
Dim expr As FarPoint.CalcEngine.Expression = FpSpread1.ActiveSheet.GetCustomName("Alpha")
If TypeOf expr Is FarPoint.CalcEngine.DoubleExpression Then
Dim ex As FarPoint.CalcEngine.DoubleExpression = CType(expr, FarPoint.CalcEngine.DoubleExpression)
MessageBox.Show("The double value is " & ex.DoubleValue.ToString())
End If
'Spread for Web Forms
Dim de As New FarPoint.CalcEngine.DoubleExpression(55.0)
Dim dataModel As New FarPoint.Web.Spread.Model.DefaultSheetDataModel
dataModel = FpSpread1.ActiveSheetView.DataModel
dataModel.AddCustomName("Alpha", de)
FpSpread1.Sheets(0).SetFormula(0, 0, "Alpha * 10")
Dim expr As FarPoint.CalcEngine.Expression = dataModel.GetCustomName("Alpha")
If TypeOf expr Is FarPoint.CalcEngine.DoubleExpression Then
Dim ex As FarPoint.CalcEngine.DoubleExpression = CType(expr, FarPoint.CalcEngine.DoubleExpression)
TextBox1.Text = "The double value is " & ex.DoubleValue.ToString()
End If |
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
