バージョン

AfterNavigation イベント

ナビゲーション ツールバーで項目がナビゲートされた後で発生します。
シンタックス
'宣言
 
Public Event AfterNavigation As AfterNavigationEventHandler
public event AfterNavigationEventHandler AfterNavigation
イベント データ

イベント ハンドラが、このイベントに関連するデータを含む、AfterNavigationEventArgs 型の引数を受け取りました。次の AfterNavigationEventArgs プロパティには、このイベントの固有の情報が記載されます。

プロパティ解説
CurrentItem NavigationToolbar の現在の項目を取得します。
Source ナビゲーションがトリガーされた方法を指定する列挙体を返します。
使用例
Imports Infragistics.Win.UltraWinTree

Private isNodeSelectedFromNavigationToolbar As Boolean

' Handles the UltraTree's AfterSelect event
Private Sub tvwFolders_AfterSelect(ByVal sender As System.Object, ByVal e As Infragistics.Win.UltraWinTree.SelectEventArgs) Handles tvwFolders.AfterSelect
	Dim selectedNode As UltraTreeNode = IIf(e.NewSelections.Count = 1, e.NewSelections(0), Nothing)
	If (selectedNode Is Nothing) Then Return

	'	Make sure that this node's Nodes collection is populated so
	'	that if the end user double-clicks on an item, we will be able
	'	to locate the associated sub-directory.
   Me.PopulateNodesCollection(selectedNode)

	'	Populate the UltraListView with the sub-folders and files 
	'	for the directory associated with the node that was selected
	Me.PopulateListView(selectedNode)

	' Update the current navigation item to the node that we've now selected, assuming
	' that the tree was navigated directly and not through the navigation history of the
	' NavigationToolbar.
	If Me.isNodeSelectedFromNavigationToolbar = False Then
		'We only want to show the text in the drop-down menu, but store the node itself in the
		' Tag property of a NavigationHistoryItem so that we have easy access to it later should
		' the user traverse the navigation history.
		Me.UltraToolbarsManager1.NavigationToolbar.NavigateTo(selectedNode.Text, selectedNode)
	End If
End Sub

' Handles the UltraToolbarsManager's AfterNavigation event.
Private Sub UltraToolbarsManager1_AfterNavigation(ByVal sender As System.Object, ByVal e As Infragistics.Win.UltraWinToolbars.AfterNavigationEventArgs) Handles UltraToolbarsManager1.AfterNavigation
	' Set a flag so that we know that we shouldn't add a new item to the navigation history.
	Me.isNodeSelectedFromNavigationToolbar = True

	' Since we've stored each node in the Tag property of a NavigationHistoryItem, we can now
	' easily select that node now.
	CType(e.CurrentItem.Tag, UltraTreeNode).Selected = True            

	' Reset the flag to allow subseqent additions to the navigation history.
	Me.isNodeSelectedFromNavigationToolbar = False
End Sub
using Infragistics.Win.UltraWinTree;

private bool isNodeSelectedFromNavigationToolbar;

/// <summary>
/// Handles the UltraTree's AfterSelect event
/// </summary>
private void tvwFolders_AfterSelect(object sender, SelectEventArgs e)
{
	// Update the current navigation item to the node that we've now selected, assuming
	// that the tree was navigated directly and not through the navigation history of the
	// NavigationToolbar.
	if(!this.isNodeSelectedFromNavigationToolbar)               
		// We only want to show the text in the drop-down menu, but store the node itself in the
		// Tag property of a NavigationHistoryItem so that we have easy access to it later should
		// the user traverse the navigation history.
		this.ultraToolbarsManager1.NavigationToolbar.NavigateTo(selectedNode.Text, selectedNode);
}

/// <summary>
/// Handles the UltraToolbarsManager's AfterNavigation event.
/// </summary>
private void ultraToolbarsManager1_AfterNavigation(object sender, Infragistics.Win.UltraWinToolbars.AfterNavigationEventArgs e)
{
    // Set a flag so that we know that we shouldn't add a new item to the navigation history.
    this.isNodeSelectedFromNavigationToolbar = true;

    // Since we've stored each node in the Tag property of a NavigationHistoryItem, we can now
    // easily select that node now.
    ((UltraTreeNode)e.CurrentItem.Tag).Selected = true;

    // Reset the flag to allow subseqent additions to the navigation history.
    this.isNodeSelectedFromNavigationToolbar = false;
}
参照