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using System;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
#if UITEST
using Xamarin.UITest;
using NUnit.Framework;
#endif
namespace Xamarin.Forms.Controls.Issues
{
[Preserve(AllMembers = true)]
[Issue(IssueTracker.Bugzilla, 39458, "[UWP/WinRT] Cannot Set CarouselPage.CurrentPage Inside Constructor", PlatformAffected.WinRT)]
public class Bugzilla39458 : TestCarouselPage
{
public class ChildPage : ContentPage
{
public ChildPage(int pageNumber)
{
var layout = new StackLayout();
var MyLabel = new Label {
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
FontSize = 21,
TextColor = Color.White,
Text = $"This is page {pageNumber}"
};
var TestBtn = new Button {
Text = "Go to Page 2",
IsEnabled = false,
BackgroundColor = Color.White
};
if (pageNumber != 2)
{
TestBtn.IsEnabled = true;
TestBtn.Clicked += TestBtn_Clicked;
}
layout.Children.Add(MyLabel);
layout.Children.Add(TestBtn);
Content = layout;
}
private void TestBtn_Clicked(object sender, EventArgs e)
{
var carousel = Application.Current.MainPage as CarouselPage;
carousel.CurrentPage = carousel.Children[1];
}
}
public class DesiredPage : ChildPage
{
public DesiredPage(int pageNumber) : base(pageNumber)
{
}
}
protected override void Init()
{
var firstPage = new ChildPage(1);
firstPage.BackgroundColor = Color.Blue;
Children.Add(firstPage);
var secondPage = new DesiredPage(2);
secondPage.BackgroundColor = Color.Red;
Children.Add(secondPage);
var thirdPage = new ChildPage(3);
thirdPage.BackgroundColor = Color.Green;
Children.Add(thirdPage);
CurrentPage = secondPage;
}
#if UITEST
[Test]
public void Bugzilla39458Test()
{
RunningApp.WaitForElement(q => q.Marked("This is page 2"));
}
#endif
}
}
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