private void Tgrchild_Tapped(object sender, EventArgs e)
        {
            CustomStacklyout customStacklyout = (CustomStacklyout)sender;

            Detail = new DetailPAge2("Parent Number is : " + (customStacklyout.stac_num + 1) +
                                     "  child number is : " + (customStacklyout.child_num + 1));
        }
        private void Tgr_Tapped(object sender, EventArgs e)
        {
            CustomStacklyout l = (CustomStacklyout)sender;

            if (lastopen == null)
            {
                lastopen           = new CustomStacklyout();
                lastopen           = AllstackChiled[l.stac_num];
                lastopen.IsVisible = true;
            }
            else if (l.stac_num == lastopen.stac_num)
            {
                AllstackChiled[l.stac_num].IsVisible = !AllstackChiled[l.stac_num].IsVisible;
            }
            else
            {
                if (lastopen.IsVisible)
                {
                    lastopen.IsVisible = !lastopen.IsVisible;
                }
                lastopen           = AllstackChiled[l.stac_num];
                lastopen.IsVisible = true;
            }
        }
        public MainPage()
        {
            InitializeComponent();
            Detail = new DetailsPage();
            //////////////////mainClass
            CustomStacklyout[] AllStacklyout = new CustomStacklyout[10];
            AllstackChiled    = new CustomStacklyout[10];
            StackinnerChields = new CustomStacklyout[50];
            for (int i = 0; i < 10; i++)
            {
                AllStacklyout[i] = new CustomStacklyout
                {
                    Orientation = StackOrientation.Horizontal,
                    Margin      = new Thickness {
                        Top = 4, Left = 4, Right = 10
                    }
                };
                AllStacklyout[i].Sta_ID   = "st" + i;
                AllStacklyout[i].stac_num = i;
                Image image = new Image
                {
                    WidthRequest  = 25,
                    HeightRequest = 25,
                    Source        = ImageSource.FromFile("library.png")
                };
                Label Alllabels = new CustomLabel
                {
                    FontSize          = 20,
                    Text              = "Main test " + (i + 1),
                    TextColor         = Color.White,
                    HorizontalOptions = LayoutOptions.StartAndExpand
                };

                Image imagenext = new Image
                {
                    HorizontalOptions = LayoutOptions.EndAndExpand,
                    WidthRequest      = 20,
                    HeightRequest     = 20,

                    Source = ImageSource.FromFile("next.png"),
                    Margin = new Thickness {
                        Right = 10
                    }
                };
                AllStacklyout[i].Children.Add(image);
                AllStacklyout[i].Children.Add(Alllabels);
                AllStacklyout[i].Children.Add(imagenext);


                var tgr = new TapGestureRecognizer();
                tgr.Tapped += Tgr_Tapped;
                AllStacklyout[i].GestureRecognizers.Add(tgr);

                main_stacklayout.Children.Add(AllStacklyout[i]);
                AllstackChiled[i] = new CustomStacklyout
                {
                    Orientation     = StackOrientation.Vertical,
                    BackgroundColor = Color.FromHex("#1C1C1C"),
                    IsVisible       = false
                };

                for (int j = 0; j < 10; j++)
                {
                    Image childimage = new Image
                    {
                        WidthRequest  = 25,
                        HeightRequest = 25,
                        Source        = ImageSource.FromFile("reference.png")
                    };
                    Label childlabel = new CustomLabel
                    {
                        FontSize          = 20,
                        Text              = "Main test " + (j + 1),
                        TextColor         = Color.White,
                        HorizontalOptions = LayoutOptions.StartAndExpand
                    };
                    StackinnerChields[j] = new CustomStacklyout
                    {
                        Margin = new Thickness {
                            Left = 20
                        },
                        Orientation = StackOrientation.Horizontal
                    };
                    StackinnerChields[j].Children.Add(childimage);
                    StackinnerChields[j].Children.Add(childlabel);
                    var tgrchild = new TapGestureRecognizer();
                    tgrchild.Tapped += Tgrchild_Tapped;
                    StackinnerChields[j].GestureRecognizers.Add(tgrchild);
                    StackinnerChields[j].child_num = j;
                    StackinnerChields[j].stac_num  = i;
                    AllstackChiled[i].Children.Add(StackinnerChields[j]);
                }
                AllstackChiled[i].stac_num = i;
                main_stacklayout.Children.Add(AllstackChiled[i]);
            }
        }