デフォルトのカーソル移動をオーバーライド

Imports Infragistics.Win.UltraWinGrid
...
Private Sub UltraGrid1_KeyDown(ByVal sender As Object, _
  ByVal e As System.Windows.Forms.KeyEventArgs) _
  Handles UltraGrid1.KeyDown
	' カーソル移動に必要なアクションを実行します
	Select Case e.KeyValue
		Case Keys.Up
			Me.UltraGrid1.PerformAction(UltraGridAction.ExitEditMode, False, False)
			Me.UltraGrid1.PerformAction(UltraGridAction.AboveCell, False, False)
			e.Handled = True
			Me.UltraGrid1.PerformAction(UltraGridAction.EnterEditMode, False, False)
		Case Keys.Down
			Me.UltraGrid1.PerformAction(UltraGridAction.ExitEditMode, False, False)
			Me.UltraGrid1.PerformAction(UltraGridAction.BelowCell, False, False)
			e.Handled = True
			Me.UltraGrid1.PerformAction(UltraGridAction.EnterEditMode, False, False)
		Case Keys.Right
			Me.UltraGrid1.PerformAction(UltraGridAction.ExitEditMode, False, False)
			Me.UltraGrid1.PerformAction(UltraGridAction.NextCellByTab, False, False)
			e.Handled = True
			Me.UltraGrid1.PerformAction(UltraGridAction.EnterEditMode, False, False)
		Case Keys.Left
			Me.UltraGrid1.PerformAction(UltraGridAction.ExitEditMode, False, False)
			Me.UltraGrid1.PerformAction(UltraGridAction.PrevCellByTab, False, False)
			e.Handled = True
			Me.UltraGrid1.PerformAction(UltraGridAction.EnterEditMode, False, False)
	End Select
End Sub

using Infragistics.Win.UltraWinGrid;
...
private void ultraGrid1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
	// カーソル移動に必要なアクションを実行します
	switch(e.KeyCode)
	{
		case Keys.Up:
			this.ultraGrid1.PerformAction(UltraGridAction.ExitEditMode, false,
			  false);
			this.ultraGrid1.PerformAction(UltraGridAction.AboveCell, false,
			  false);
			e.Handled = true;
			this.ultraGrid1.PerformAction(UltraGridAction.EnterEditMode, false,
			  false);
			break;
		case Keys.Down:
			this.ultraGrid1.PerformAction(UltraGridAction.ExitEditMode, false,
			  false);
			this.ultraGrid1.PerformAction(UltraGridAction.BelowCell, false,
			  false);
			e.Handled = true;
			this.ultraGrid1.PerformAction(UltraGridAction.EnterEditMode, false,
			  false);
			break;
		case Keys.Right:
			this.ultraGrid1.PerformAction(UltraGridAction.ExitEditMode, false,
			  false);
			this.ultraGrid1.PerformAction(UltraGridAction.NextCellByTab, false,
			  false);
			e.Handled = true;
			this.ultraGrid1.PerformAction(UltraGridAction.EnterEditMode, false,
			  false);
			break;
		case Keys.Left:
			this.ultraGrid1.PerformAction(UltraGridAction.ExitEditMode, false,
			  false);
			this.ultraGrid1.PerformAction(UltraGridAction.PrevCellByTab, false,
			  false);
			e.Handled = true;
			this.ultraGrid1.PerformAction(UltraGridAction.EnterEditMode, false,
			  false);
			break;
	}
}

Private Sub UltraGrid1_InitializeLayout(ByVal sender As Object, _
  ByVal e As Infragistics.Win.UltraWinGrid.InitializeLayoutEventArgs) _
  Handles UltraGrid1.InitializeLayout
	' アクティブ セルの背景色を設定します
	Me.UltraGrid1.DisplayLayout.Override.ActiveCellAppearance.BackColor = Color.Red
End Sub

private void ultraGrid1_InitializeLayout(object sender,
  Infragistics.Win.UltraWinGrid.InitializeLayoutEventArgs e)
{
	// アクティブ セルの背景色を設定します
	this.ultraGrid1.DisplayLayout.Override.ActiveCellAppearance.BackColor = Color.Red;
}

Private Sub UltraGrid1_Enter(ByVal sender As Object, _
  ByVal e As System.EventArgs) Handles UltraGrid1.Enter
	' グリッドで ActiveRow と ActiveCell を設定します
	If Me.UltraGrid1.ActiveRow Is Nothing Then
		Me.UltraGrid1.ActiveRow = Me.UltraGrid1.GetRow(ChildRow.First)
	End If
	If Me.UltraGrid1.ActiveCell Is Nothing Then
		Me.UltraGrid1.ActiveCell = Me.UltraGrid1.ActiveRow.Cells(2)
	End If
End Sub

private void ultraGrid1_Enter(object sender, System.EventArgs e)
{
	// グリッドで ActiveRow と ActiveCell を設定します
	if(this.ultraGrid1.ActiveRow == null)
		this.ultraGrid1.ActiveRow = this.ultraGrid1.GetRow(ChildRow.First);
	if(this.ultraGrid1.ActiveCell == null)
		this.ultraGrid1.ActiveCell = this.ultraGrid1.ActiveRow.Cells[2];
}