Version

BeforeSummaryDialog Event

This event is fired before the grid is about to show the dialog for user to select summaries for a column. If its cancelled, the grid wont proceed.
Syntax
'Declaration
 
Public Event BeforeSummaryDialog As BeforeSummaryDialogEventHandler
public event BeforeSummaryDialogEventHandler BeforeSummaryDialog
Event Data

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

PropertyDescription
Cancel (Inherited from System.ComponentModel.CancelEventArgs) 
Column Column for which the summary dialog is being shown.
SummaryDialog Returns the summary dialog that will be shown.
Remarks

You can use the BeforeSummaryDialog event to cancel the drop down.

Example
Following code shows some of the information available in BeforeSummaryDialog event and its potential use.

For an overview of how to handle events in Visual Basic or Visual C#, see Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see Consuming Events in the .NET Framework Developer's Guide.

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid
Imports System.Diagnostics

   Private Sub UltraGrid1_BeforeSummaryDialog(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinGrid.BeforeSummaryDialogEventArgs) Handles ultraGrid1.BeforeSummaryDialog

       Debug.WriteLine("Summary dialog is being shown for column " & e.Column.Key)

       ' You can cancel the event to show your own custom summary dialog.
       e.Cancel = True

   End Sub
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;

private void ultraGrid1_BeforeSummaryDialog(object sender, Infragistics.Win.UltraWinGrid.BeforeSummaryDialogEventArgs e)
{

	Debug.WriteLine( "Summary dialog is being shown for column " + e.Column.Key );

	// You can cancel the event to show your own custom summary dialog.
	e.Cancel = true;

}
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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