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

sender
e
delegate for handling events that take a CancelableCellEventArgs as the event args

Syntax

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

Parameters

sender
e

Example

The following sample code illustrates how one can use combination of BeforeCellActivate and BeforeCellDeactivate to change the ActiveCell's appearance. ActiveCellAppearance property off the UltraGridOverride can be used to accomplish the same thing.

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_BeforeCellActivate(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinGrid.CancelableCellEventArgs) Handles ultraGrid1.BeforeCellActivate

      ' Set the appearance of the cell right before the cell is about to be activated.
      ' In the BeforeCellDeactivate, we will reset the BackColor.
      e.Cell.Appearance.BackColor = Color.LightYellow

  End Sub

  Private Sub UltraGrid1_BeforeCellDeactivate(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles ultraGrid1.BeforeCellDeactivate

      ' Reset BackColor the appearance of the cell right before the cell is about
      ' to be deactivated.
      Me.ultraGrid1.ActiveCell.Appearance.ResetBackColor()

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

private void ultraGrid1_BeforeCellActivate(object sender, Infragistics.Win.UltraWinGrid.CancelableCellEventArgs e)
{

	// Set the appearance of the cell right before the cell is about to be activated.
	// In the BeforeCellDeactivate, we will reset the BackColor.
	e.Cell.Appearance.BackColor = Color.LightYellow;

}

private void ultraGrid1_BeforeCellDeactivate(object sender, System.ComponentModel.CancelEventArgs e)
{

	// Reset BackColor the appearance of the cell right before the cell is about
	// to be deactivated.
	this.ultraGrid1.ActiveCell.Appearance.ResetBackColor( );

}

See Also