Spread Windows Forms 12.0 Product Documentation
CircularFormula Event
Example 


FarPoint.Win.Spread Assembly > FarPoint.Win.Spread Namespace > FpSpread Class : CircularFormula Event
Occurs when one or more circular reference is created.
Syntax
'Declaration
 
Public Event CircularFormula As CircularFormulaEventHandler
'Usage
 
Dim instance As FpSpread
Dim handler As CircularFormulaEventHandler
 
AddHandler instance.CircularFormula, handler
public event CircularFormulaEventHandler CircularFormula
Event Data

The event handler receives an argument of type CircularFormulaEventArgs containing data related to this event. The following CircularFormulaEventArgs properties provide information specific to this event.

PropertyDescription
Specifies the circular cells.  
Example
This example uses the event.
fpSpread1.Sheets[0].SetFormula(0, 0, "A2");
fpSpread1.Sheets[0].SetFormula(1, 0, "A1");

private void fpSpread1_CircularFormula(object sender, EventArgs e)
     {
        listBox1.Items.Add("Circular Reference");
     }
FpSpread1.Sheets(0).SetFormula(0, 0, "A2")
FpSpread1.Sheets(0).SetFormula(1, 0, "A1")

Private Sub FpSpread1_CircularFormula(sender As Object, e As EventArgs) Handles FpSpread1.CircularFormula
        ListBox1.Items.Add("Circular Reference")
End Sub
See Also