Spread Windows Forms 11.0 Product Documentation
AutoCalculation Property (ICalculationSupport)
Example 


FarPoint.Win.Spread Assembly > FarPoint.Win.Spread.Model Namespace > ICalculationSupport Interface : AutoCalculation Property
Gets or sets whether the control automatically recalculates each formula in the sheet when the contents of dependent cells change.
Syntax
'Declaration
 
Property AutoCalculation As Boolean
'Usage
 
Dim instance As ICalculationSupport
Dim value As Boolean
 
instance.AutoCalculation = value
 
value = instance.AutoCalculation
bool AutoCalculation {get; set;}

Property Value

Boolean: true to automatically recalculate formulas; false otherwise
Example
This example sets whether the spreadsheet recalculates each formula when the contents of dependent cells change.
DialogResult dlg;
FarPoint.Win.Spread.Model.ICalculationSupport cs;
fpSpread1.ActiveSheet.SetValue(0, 0, 10);
fpSpread1.ActiveSheet.SetValue(0, 1, 20);
fpSpread1.ActiveSheet.SetFormula(3, 0, "SUM(A1,B1)");
dlg = MessageBox.Show("Do you want to recalculate the formula?", "AutoCalculation", MessageBoxButtons.YesNo);
if (dlg == DialogResult.Yes)
{
     cs = (FarPoint.Win.Spread.Model.ICalculationSupport)fpSpread1.ActiveSheet.Models.Data;
     cs.AutoCalculation = true;
     fpSpread1.ActiveSheet.SetValue(0, 1, 50);
}
else if(dlg == DialogResult.No)
{
     cs = (FarPoint.Win.Spread.Model.ICalculationSupport)fpSpread1.ActiveSheet.Models.Data;
     cs.AutoCalculation = false;
     fpSpread1.ActiveSheet.SetValue(0, 1, 50);
}
Dim dlg As DialogResult
Dim cs As FarPoint.Win.Spread.Model.ICalculationSupport
FpSpread1.ActiveSheet.SetValue(0, 0, 10)
FpSpread1.ActiveSheet.SetValue(0, 1, 20)
FpSpread1.ActiveSheet.SetFormula(3, 0, "SUM(A1,B1)")
dlg = MessageBox.Show("Do you want to auto calc the formula?", "AutoCalculation", MessageBoxButtons.YesNo)
If dlg = DialogResult.Yes Then
     cs = FpSpread1.ActiveSheet.Models.Data
     cs.AutoCalculation = True
     FpSpread1.ActiveSheet.SetValue(0, 1, 50)
ElseIf dlg = DialogResult.No Then
     cs = FpSpread1.ActiveSheet.Models.Data
     cs.AutoCalculation = False
     FpSpread1.ActiveSheet.SetValue(0, 1, 50)
End If
See Also

Reference

ICalculationSupport Interface
ICalculationSupport Members