/// <summary>Called when the selected hamburger item has changed.</summary>
/// <param name="sender">The sender.</param>
/// <param name="args">The <see cref="HamburgerItemChangedEventArgs"/> instance containing the event data.</param>
/// <returns>The task.</returns>
protected virtual async Task OnSelectedHamburgerItemChanged(object sender, HamburgerItemChangedEventArgs args)
{
if (args.Item is PageHamburgerItem)
{
var pageItem = (PageHamburgerItem)args.Item;
if (pageItem.PageType != null)
{
if (pageItem.UseSinglePageInstance)
{
var page = Frame.Pages.Reverse().FirstOrDefault(p => IsHamburgerItemForPage(pageItem, p));
if (page != null)
{
await Frame.CopyToTopAndNavigateAsync(page);
}
else
{
await Frame.NavigateAsync(pageItem.PageType, pageItem.PageParameter);
}
}
else
{
await Frame.NavigateAsync(pageItem.PageType, pageItem.PageParameter);
}
}
}
}
private async void HamburgerOnItemChanged(object sender, HamburgerItemChangedEventArgs args)
{
if (args.Item is PageHamburgerItem)
{
var pageItem = (PageHamburgerItem)args.Item;
if (pageItem.PageType != null)
{
if (pageItem.FindPageType)
{
await MoveOrNavigateToPageAsync(pageItem.PageType, pageItem.PageParameter);
}
else
{
await Frame.NavigateAsync(pageItem.PageType, pageItem.PageParameter);
}
}
}
}
private async void HamburgerOnItemChanged(object sender, HamburgerItemChangedEventArgs args)
{
if (args.Item is PageHamburgerItem)
{
var pageItem = (PageHamburgerItem)args.Item;
if (pageItem.PageType != null)
{
if (pageItem.UseSinglePageInstance)
{
await Frame.NavigateToExistingOrNewPageAsync(pageItem.PageType, pageItem.PageParameter);
}
else
{
await Frame.NavigateAsync(pageItem.PageType, pageItem.PageParameter);
}
}
}
}
