Version

DataSourceEventManager Class

Class for managing an UltraDataSource' events. It maintains an enabled flag for each event as well as a nested 'in progress' count and it exposes methods for firing each event.
Syntax
'Declaration
 
Public Class DataSourceEventManager 
   Inherits Infragistics.Shared.EventManagerBase
public class DataSourceEventManager : Infragistics.Shared.EventManagerBase
Example
Following code shows how to disable an individual event or a group of events.

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinDataSource


    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim eventManager As DataSourceEventManager = Me.UltraDataSource1.EventManager

        ' You can disable an individual event from firing.
        Debug.WriteLine("InitializeDataRow enabled ? " & eventManager.IsEnabled(DataSourceEventIds.InitializeDataRow))
        eventManager.SetEnabled(DataSourceEventIds.InitializeDataRow, False)
        Debug.WriteLine("InitializeDataRow enabled ? " & eventManager.IsEnabled(DataSourceEventIds.InitializeDataRow))

        ' You can also disable a group of events from firing.
        Debug.WriteLine("After events enabled ? " & eventManager.IsEnabled(DataSourceEventGroups.AfterEvents))
        eventManager.SetEnabled(DataSourceEventGroups.AfterEvents, False)
        Debug.WriteLine("After events enabled ? " & eventManager.IsEnabled(DataSourceEventGroups.AfterEvents))
    End Sub
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinDataSource;
using System.Diagnostics;


		private void button1_Click(object sender, System.EventArgs e)
		{
			DataSourceEventManager eventManager = this.ultraDataSource1.EventManager;

			// You can disable an individual event from firing.
			Debug.WriteLine( "InitializeDataRow enabled ? " + eventManager.IsEnabled( DataSourceEventIds.InitializeDataRow ) );
			eventManager.SetEnabled( DataSourceEventIds.InitializeDataRow, false );
			Debug.WriteLine( "InitializeDataRow enabled ? " + eventManager.IsEnabled( DataSourceEventIds.InitializeDataRow ) );

			// You can also disable a group of events from firing.
			Debug.WriteLine( "After events enabled ? " + eventManager.IsEnabled( DataSourceEventGroups.AfterEvents ) );
			eventManager.SetEnabled( DataSourceEventGroups.AfterEvents, false );
			Debug.WriteLine( "After events enabled ? " + eventManager.IsEnabled( DataSourceEventGroups.AfterEvents ) );
		}
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