Infragistics(R) NetAdvantage(R) Windows Forms
SummaryValueChangedEventHandler Delegate
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Infragistics.Win.UltraWinGrid Namespace : SummaryValueChangedEventHandler Delegate

sender
e
delegate for SummaryValueChanged event.

Syntax

Visual Basic (Declaration) 
Public Delegate Sub SummaryValueChangedEventHandler( _
   ByVal sender As Object, _
   ByVal e As SummaryValueChangedEventArgs _
) 
C# 
public delegate void SummaryValueChangedEventHandler( 
   object sender,
   SummaryValueChangedEventArgs e
)

Parameters

sender
e

Example

Following code shows some of the information available in SummaryValueChanged event. It sets different appearance on different summaries based on summary values.

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.

Visual BasicCopy Code
Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid

  Private Sub UltraGrid1_SummaryValueChanged(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinGrid.SummaryValueChangedEventArgs) Handles ultraGrid1.SummaryValueChanged

      ' Use the key to identify what summary the SummaryValue object is associated with
      ' and set appearance properties accordingly.

      If e.SummaryValue.Key = "Max" Then
          If CType(e.SummaryValue.Value, Decimal) < 20 Then
              ' If the max is less than han 40, then highlight the summary with red color
              ' by setting the back color to red
              e.SummaryValue.Appearance.BackColor = Color.LightYellow
          Else
              e.SummaryValue.Appearance.BackColor = Color.SkyBlue
          End If
      End If

      If e.SummaryValue.Key = "Avg" Then
          If CType(e.SummaryValue.Value, Decimal) > 20 Then
              ' If the sum is greater than 20, then highlight the summary with red color
              ' by setting the back color to red
              e.SummaryValue.Appearance.BackColor = Color.LightSkyBlue
          Else
              e.SummaryValue.Appearance.BackColor = Color.LightYellow
          End If
      End If

  End Sub
C#Copy Code
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;

private void ultraGrid1_SummaryValueChanged(object sender, Infragistics.Win.UltraWinGrid.SummaryValueChangedEventArgs e)
{

	// Use the key to identify what summary the SummaryValue object is associated with
	// and set appearance properties accordingly.

	if ( e.SummaryValue.Key == "Max" )
	{	
		if ( (decimal)e.SummaryValue.Value < 20 )
		{
			// If the max is less than han 40, then highlight the summary with red color
			// by setting the back color to red
			e.SummaryValue.Appearance.BackColor = Color.LightYellow;
		}
		else 
		{
			e.SummaryValue.Appearance.BackColor = Color.SkyBlue;
		}
	}

	if ( e.SummaryValue.Key == "Avg" )
	{	
		if ( (decimal)e.SummaryValue.Value > 20 )
		{
			// If the sum is greater than 20, then highlight the summary with red color
			// by setting the back color to red
			e.SummaryValue.Appearance.BackColor = Color.LightSkyBlue;
		}
		else 
		{
			e.SummaryValue.Appearance.BackColor = Color.LightYellow;
		}
	}

}

See Also