本文整理匯總了VB.NET中System.Windows.Navigation.NavigationService.FragmentNavigation事件的典型用法代碼示例。如果您正苦於以下問題:VB.NET NavigationService.FragmentNavigation事件的具體用法?VB.NET NavigationService.FragmentNavigation怎麽用?VB.NET NavigationService.FragmentNavigation使用的例子?那麽, 這裏精選的事件代碼示例或許可以為您提供幫助。
在下文中一共展示了NavigationService.FragmentNavigation事件的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: TryCast
Private Sub NavigationService_FragmentNavigation(ByVal sender As Object, ByVal e As FragmentNavigationEventArgs)
' Get content the ContentControl that contains the XAML page that was navigated to
Dim content As Object = (CType(e.Navigator, ContentControl)).Content
' Find the fragment, which is the FrameworkElement with its Name attribute set
Dim fragmentElement As FrameworkElement = TryCast(LogicalTreeHelper.FindLogicalNode(CType(content, DependencyObject), e.Fragment), FrameworkElement)
' If fragment found, bring it into view, or open an error page
If fragmentElement Is Nothing Then
Me.NavigationService.Navigate(New FragmentNotFoundPage())
' Don't let NavigationService handle this event, since we just did
e.Handled = True
End If
End Sub