Xceed Chart for WinForms v4.4 Documentation
Calculate Method
Example 


Xceed.Chart.DataManipulation.v4.4 Assembly > Xceed.Chart.DataManipulation Namespace > FunctionCalculator Class : Calculate Method
Calculates a function which is defined by the current expression and arguments.
Syntax
'Declaration
 
Public Function Calculate() As DataSeries
'Usage
 
Dim instance As FunctionCalculator
Dim value As DataSeries
 
value = instance.Calculate()
public DataSeries Calculate()

Return Value

The function returns an DataSeries object which contains the result of the calculation. If the expression is empty the function returns null.
Exceptions
ExceptionDescription
Raised if there are some invalid arguments or a syntax error in the expression.
Example
The following code Calculates a function and presents the result data in a line chart.
// ... setup the lineSeries
// ... setup the functionCalculator (arguments and expression)

 lineSeries.Values = functionCalculator.Calculate();
 lineSeries.Values.ValueFormat.Format = ValueFormat.Custom;
 lineSeries.Values.ValueFormat.CustomFormat = "0.00";

 chartControl.Refresh();
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

FunctionCalculator Class
FunctionCalculator Members