Spread Windows Forms 11.0 Product Documentation
EvaluateExpression Method (IExpressionSupport2)
Example 


FarPoint.Win.Spread Assembly > FarPoint.Win.Spread.Model Namespace > IExpressionSupport2 Interface : EvaluateExpression Method
Row index of the base cell
Column index of the base cell
Expression to be evaluated
Evaluates the expression and returns the resulting object for the cell at the specified row and column.
Syntax
'Declaration
 
Function EvaluateExpression( _
   ByVal row As Integer, _
   ByVal column As Integer, _
   ByVal expression As Expression _
) As Object
'Usage
 
Dim instance As IExpressionSupport2
Dim row As Integer
Dim column As Integer
Dim expression As Expression
Dim value As Object
 
value = instance.EvaluateExpression(row, column, expression)
object EvaluateExpression( 
   int row,
   int column,
   Expression expression
)

Parameters

row
Row index of the base cell
column
Column index of the base cell
expression
Expression to be evaluated

Return Value

Object containing the evaluated expression
Example
This example evaluates the expression and returns the resulting object for the cell at the specified row and column.
FarPoint.Win.Spread.Model.IExpressionSupport ems; 
FarPoint.CalcEngine.Expression one = new FarPoint.CalcEngine.DoubleExpression(1.0); 
FarPoint.CalcEngine.Expression two = new FarPoint.CalcEngine.DoubleExpression(2.0); 
FarPoint.CalcEngine.Expression oneplustwo = new FarPoint.CalcEngine.BinaryOperatorExpression(FarPoint.CalcEngine.BinaryOperatorInfo.AddOperator, one, two); 
ems = (FarPoint.Win.Spread.Model.IExpressionSupport)fpSpread1.ActiveSheet.Models.Data; 
ems.SetExpression(0, 0, oneplustwo); 
FarPoint.CalcEngine.Expression exp;
exp = ems.GetExpression(0, 0);
FarPoint.Win.Spread.Model.IExpressionSupport2 es;
es = (FarPoint.Win.Spread.Model.IExpressionSupport2)fpSpread1.ActiveSheet.Models.Data;
MessageBox.Show("The evaluated expression is " + es.EvaluateExpression(0, 0, exp).ToString());
Dim ems As FarPoint.Win.Spread.Model.IExpressionSupport
Dim one As FarPoint.CalcEngine.Expression
Dim two As FarPoint.CalcEngine.Expression
Dim oneplustwo As FarPoint.CalcEngine.Expression
one = New FarPoint.CalcEngine.DoubleExpression(1.0)
two = New FarPoint.CalcEngine.DoubleExpression(2.0)
oneplustwo = New FarPoint.CalcEngine.BinaryOperatorExpression(FarPoint.CalcEngine.BinaryOperatorInfo.AddOperator, one, two)
ems = FpSpread1.ActiveSheet.Models.Data
ems.SetExpression(0, 0, oneplustwo)
Dim exp As FarPoint.CalcEngine.Expression
exp = ems.GetExpression(0, 0)
Dim es As FarPoint.Win.Spread.Model.IExpressionSupport2
es = FpSpread1.ActiveSheet.Models.Data
MessageBox.Show("The evaluated expression is " & es.EvaluateExpression(0, 0, exp).ToString())
See Also

Reference

IExpressionSupport2 Interface
IExpressionSupport2 Members