Spread Windows Forms 9.0 Product Documentation
DoubleValue Property
Example 


Gets the double value as a double.
Syntax
'Declaration
 
Public ReadOnly Property DoubleValue As Double
'Usage
 
Dim instance As DoubleExpression
Dim value As Double
 
value = instance.DoubleValue
public double DoubleValue {get;}

Property Value

Double-precision, floating point number containing the value
Example
This example creates a custom name using a DoubleExpression.
//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(); 
}
'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 Server 2012 R2, Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

See Also

Reference

DoubleExpression Class
DoubleExpression Members

 

 


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