private static void SelectedItem_Changed(
DependencyObject d, DependencyPropertyChangedEventArgs e)
{
// Notify any listeners when the selected item changed.
var self = (NavigationView)d;
bool isSettingsItem = e.NewValue != null &&
e.NewValue == self.SettingsItem;
var itemChangedArgs = new NavigationViewItemEventArgs(e.NewValue, isSettingsItem);
self.OnSelectedItemChanged(itemChangedArgs);
}
private void ItemsListView_ItemInvoked(object sender, ListViewItemInvokedEventArgs e)
{
// We always get a NavigationViewItem in the event args (the clicked item).
// We want to raise the ItemInvoked event with the "real" item in the MenuItems
// collection though.
// -> We need the ItemContainerGenerator to retrieve it.
var itemsContainer = (ItemsControl)sender;
var item = itemsContainer.ItemContainerGenerator.ItemFromContainer(e.InvokedItem);
bool isSettingsItem = SettingsItem != null &&
e.InvokedItem == SettingsItem;
this.TraceInfo("Menu Item Invoked. Item: {0}", item);
var eventData = new NavigationViewItemEventArgs(item, isSettingsItem);
OnItemInvoked(eventData);
// If the NavigationView is on Overlay-mode, we want to automatically close it.
if (IsInOverlayMode && AutoCloseOverlayingPane)
{
this.TraceVerbose("Collapsing NavigationView, since user invoked item while in Overlay mode.");
IsPaneOpen = false;
}
}
/// <summary>
/// Raises the <see cref="ItemInvoked"/> event
/// </summary>
/// <param name="e">Event data for the event.</param>
protected virtual void OnItemInvoked(NavigationViewItemEventArgs e)
{
ItemInvoked?.Invoke(this, e);
}
/// <summary>
/// Raises the <see cref="SelectedItemChanged"/> event.
/// </summary>
/// <param name="e">Event data for the event.</param>
protected virtual void OnSelectedItemChanged(NavigationViewItemEventArgs e)
{
SelectedItemChanged?.Invoke(this, e);
}