WinListView でグループを表示

Imports Infragistics.Win.UltraWinListView
Imports Infragistics.Win

using Infragistics.Win.UltraWinListView;
using Infragistics.Win;

Dim item As UltraListViewItem
' Column 1 (SubItems(0)) のテキストが "果物" である場合、
' 項目のグループを Group 1 に設定します。"野菜" の場合、
' その項目のグループを Group 2 に設定します。"穀物" の場合は Group 3 です。
For Each item In Me.UltraListView1.Items
	Select Case item.SubItems(0).Text
		Case "Fruit"
			item.Group = Me.UltraListView1.Groups(0)
		Case "Vegetable"
			item.Group = Me.UltraListView1.Groups(1)
		Case "Grain"
			item.Group = Me.UltraListView1.Groups(2)
	End Select
Next

foreach(UltraListViewItem item in this.ultraListView1.Items)
{
	// Column 1 (SubItems[0]) のテキストが "果物" である場合、
	// 項目のグループを Group 1 に設定します。"野菜" の場合、
	// その項目のグループを Group 2 に設定します。"穀物" の場合は Group 3 です。
	switch(item.SubItems[0].Text)
	{
		case "Fruit":
			item.Group = this.ultraListView1.Groups[0];
			break;
		case "Vegetable":
			item.Group = this.ultraListView1.Groups[1];
			break;
		case "Grain":
			item.Group = this.ultraListView1.Groups[2];
			break;
	}
}

Dim s As String
For Each s In [Enum].GetNames(GetType(UltraListViewStyle))
	Me.UltraComboEditor1.Items.Add(s)
Next s

foreach (string s in Enum.GetNames(typeof (UltraListViewStyle)))
{
	this.ultraComboEditor1.Items.Add(s);
}

Private Sub UltraComboEditor1_SelectionChanged(ByVal sender As Object, _
  ByVal e As System.EventArgs) Handles UltraComboEditor1.SelectionChanged
	Me.UltraListView1.View = [Enum].Parse(GetType(UltraListViewStyle), _
	  Me.UltraComboEditor1.SelectedItem.ToString())
End Sub

private void ultraComboEditor1_SelectionChanged(object sender, System.EventArgs e)
{
this.ultraListView1.View =
  (UltraListViewStyle) Enum.Parse(typeof (UltraListViewStyle),
  this.ultraComboEditor1.SelectedItem.ToString());
}

Private Sub UltraCheckEditor1_CheckedChanged(ByVal sender As Object, _
  ByVal e As System.EventArgs) Handles UltraCheckEditor1.CheckedChanged
	Me.UltraListView1.ShowGroups = Me.UltraCheckEditor1.Checked
End Sub

private void ultraCheckEditor1_CheckedChanged(object sender,
  System.EventArgs e)
{
	this.ultraListView1.ShowGroups = this.ultraCheckEditor1.Checked;
}