FormulaCircularityErrorEventHandler デリゲート

UltraCalcManagerのFormulaCircularityErrorイベントのデリゲート。

シンタックス

Visual Basic

'宣言
 
Public Delegate Sub FormulaCircularityErrorEventHandler( _
   ByVal sender As Object, _
   ByVal e As FormulaCircularityErrorEventArgs _
) 

C#

public delegate void FormulaCircularityErrorEventHandler( 
   object sender,
   FormulaCircularityErrorEventArgs e
)

パラメータ

sender

e

使用例

Visual Basic

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid
Imports Infragistics.Win.CalcEngine
Imports Infragistics.Win.UltraWinCalcManager


    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles button1.Click
        Me.UltraCalcManager1.NamedReferences.Clear()
        ' Add two formulas that refer to each other. This will cause the
        ' FormulaCircularityError event to be raised. This event will be raised only
        ' once even if there are multiple formulas that are involved in circularity.
        Me.ultraCalcManager1.NamedReferences.Add("N1", "2 * [N2]")
        Me.ultraCalcManager1.NamedReferences.Add("N2", "2 * [N1]")
    End Sub

    Private Sub UltraCalcManager1_FormulaCircularityError(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinCalcManager.FormulaCircularityErrorEventArgs) Handles ultraCalcManager1.FormulaCircularityError
        ' You can prevent the default behavior of displaying the message box by
        ' setting the DisplayErrorMessage to false.
        e.DisplayErrorMessage = False

        ' You can use the ErrorDisplayText to set the text that will be displayed 
        ' in the error message box. NOTE: We are disabling the message box by
        ' setting DisplayErrorMessage to false above so this won't have any effect.
        e.ErrorDisplayText = "Circularity Detected !"

        ' Context is the object associated with the formula that has the circularity.
        ' It could an instance of NamedReference, CalcSettings or a grid object like
        ' UltraGridColumn or SummarySettings.
        If TypeOf e.Context Is NamedReference Then
            Dim nr As NamedReference = DirectCast(e.Context, NamedReference)
            MessageBox.Show(Me, nr.Formula & " formula is involved in a circularity.")
        End If
    End Sub

C#

using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;
using Infragistics.Win.CalcEngine;
using Infragistics.Win.UltraWinCalcManager;


		private void button1_Click(object sender, System.EventArgs e)
		{
			this.ultraCalcManager1.NamedReferences.Clear( );
			// Add two formulas that refer to each other. This will cause the
			// FormulaCircularityError event to be raised. This event will be raised only
			// once even if there are multiple formulas that are involved in circularity.
			this.ultraCalcManager1.NamedReferences.Add( "N1", "2 * [N2]" );
			this.ultraCalcManager1.NamedReferences.Add( "N2", "2 * [N1]" );
		}

		private void ultraCalcManager1_FormulaCircularityError(object sender, Infragistics.Win.UltraWinCalcManager.FormulaCircularityErrorEventArgs e)
		{
			// You can prevent the default behavior of displaying the message box by
			// setting the DisplayErrorMessage to false.
			e.DisplayErrorMessage = false;

			// You can use the ErrorDisplayText to set the text that will be displayed 
			// in the error message box. NOTE: We are disabling the message box by
			// setting DisplayErrorMessage to false above so this won't have any effect.
			e.ErrorDisplayText = "Circularity Detected !";

			// Context is the object associated with the formula that has the circularity.
			// It could an instance of NamedReference, CalcSettings or a grid object like
			// UltraGridColumn or SummarySettings.
			if ( e.Context is NamedReference )
			{
				NamedReference nr = (NamedReference)e.Context;
				MessageBox.Show( this, nr.Formula + " formula is involved in a circularity." );
			}
		}