Saxonite 1.2.11.3. Sandtrap.
This commit is contained in:
Andy Howard
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using Microsoft.Maui.Controls.Internals;
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using Sarand.Net.Mobile.Maui.App;
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using Sarand.Net.Mobile.Maui.Controls;
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using Sarand.Net.Mobile.Maui.Layouts;
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using Sarand.Net.Mobile.Maui.Utils;
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using Sarand.Net.Mobile.Maui.Views;
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using Sarand.Net.Standard.Base.Utils;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Sarand.Net.Mobile.Maui.Panels
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{
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//=======================================================================
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public class SamPanel_Page_Header : SamPanel
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{
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//-------------------------------------------------------------------
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// Definitions.
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//-------------------------------------------------------------------
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// Data members.
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// Layout.
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private SamBoxView panelBorderTop = new SamBoxView() { BackgroundColor = Sam.Visuals.Page.Header.BorderColor, HeightRequest = Sam.Visuals.Page.Header.BorderStrokeWidthTop };
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private VerticalStackLayout panelHeader = new VerticalStackLayout() { BackgroundColor = Sam.Visuals.Page.Header.BackgroundColor };
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private SamBoxView panelBorderBottom = new SamBoxView() { BackgroundColor = Sam.Visuals.Page.Header.BorderColor, HeightRequest = Sam.Visuals.Page.Header.BorderStrokeWidthBottom };
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// Grid.
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private SamGrid gridHeader = new SamGrid() { Padding = Sam.Visuals.Page.Header.Padding };
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private ColumnDefinition colLeft = new ColumnDefinition(GridLength.Star);
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private ColumnDefinition colMiddle = new ColumnDefinition(GridLength.Auto);
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private ColumnDefinition colRight = new ColumnDefinition(GridLength.Star);
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// Panels.
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private VerticalStackLayout panelLeft = new VerticalStackLayout() { HorizontalOptions = LayoutOptions.Start };
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private VerticalStackLayout panelMiddle = new VerticalStackLayout() { HorizontalOptions = LayoutOptions.Center };
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private VerticalStackLayout panelRight = new VerticalStackLayout() { HorizontalOptions = LayoutOptions.End };
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// Caption.
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private SamLabel labelCaption = new SamLabel() { HorizontalOptions = LayoutOptions.Center };
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private Sam.DisplayPosition captionDisplay = Sam.DisplayPosition.Middle;
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// Text labels.
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private SamLabel labelLeft = new SamLabel() { HorizontalOptions = LayoutOptions.Start };
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private SamLabel labelRight= new SamLabel() { HorizontalOptions = LayoutOptions.End };
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// Toolbar.
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private Sam.DisplayPosition toolbarDisplay = Sam.Visuals.Page.Header.ToolbarDisplay;
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private HorizontalStackLayout panelToolbar = new HorizontalStackLayout() { };
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private bool display_ToolbarItem_Back = Sam.Visuals.Page.Header.Display_ToolbarItem_Back;
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private Button toolbarItem_Back = new Button() { WidthRequest = 16, HeightRequest = 16, Text="<", Padding=new Thickness(0), BorderWidth = 0.0, BorderColor = Colors.DarkOliveGreen };
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//-------------------------------------------------------------------
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// Construction.
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public SamPanel_Page_Header()
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{
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InitialiseComponents();
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}
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//-------------------------------------------------------------------
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// Properties.
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public String Caption
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{
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get { return labelCaption.Text; }
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set { labelCaption.Text = value; ConfigureComponents(); }
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}
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public Sam.DisplayPosition CaptionDisplay
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{
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get { return captionDisplay; }
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set { captionDisplay = value; ConfigureComponents(); }
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}
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// Text labels.
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public String TextLeft
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{
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get { return labelLeft.Text; }
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set { labelLeft.Text = value; ConfigureComponents(); }
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}
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public String TextRight
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{
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get { return labelRight.Text; }
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set { labelRight.Text = value; ConfigureComponents(); }
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}
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// Toolbar.
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public Sam.DisplayPosition ToolbarDisplay
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{
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get { return toolbarDisplay; }
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set { toolbarDisplay = value; ConfigureComponents(); }
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}
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public bool Display_ToolbarItem_Back
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{
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get { return display_ToolbarItem_Back; }
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set { display_ToolbarItem_Back = value; ConfigureComponents(); }
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}
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//-------------------------------------------------------------------
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// Components.
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private void InitialiseComponents()
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{
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// Header panel.
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Content = panelHeader;
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// Top border.
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panelBorderTop.Margin = new Thickness(0, 0, 0, Sam.Visuals.Page.Header.Padding.Top);
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panelHeader.Children.Add(panelBorderTop);
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// Header grid.
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gridHeader.Margin = new Thickness(Sam.Visuals.Page.Header.Padding.Left, 0, Sam.Visuals.Page.Header.Padding.Right, 0);
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gridHeader.ColumnDefinitions.Add(colLeft);
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gridHeader.ColumnDefinitions.Add(colMiddle);
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gridHeader.ColumnDefinitions.Add(colRight);
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gridHeader.Add(panelLeft, 0, 0);
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gridHeader.Add(panelMiddle, 1, 0);
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gridHeader.Add(panelRight, 2, 0);
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panelHeader.Children.Add(gridHeader);
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// Bottom border.
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panelBorderBottom.Margin = new Thickness(0, Sam.Visuals.Page.Header.Padding.Bottom, 0, 0);
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panelHeader.Children.Add(panelBorderBottom);
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// Configure standard toolbar icons.
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toolbarItem_Back.Clicked += ToolbarItem_Back_Clicked;
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}
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public override void ConfigureComponents()
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{
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base.ConfigureComponents();
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bool contentDisplayed = false;
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// Caption.
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panelLeft.Children.Remove(labelCaption);
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panelMiddle.Children.Remove(labelCaption);
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panelRight.Children.Remove(labelCaption);
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if (captionDisplay != Sam.DisplayPosition.None && !StringUtil.IsBlank(labelCaption.Text))
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{
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contentDisplayed = true;
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if (captionDisplay == Sam.DisplayPosition.Left)
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panelLeft.Children.Add(labelCaption);
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else if (captionDisplay == Sam.DisplayPosition.Middle)
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panelMiddle.Children.Add(labelCaption);
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else if (captionDisplay == Sam.DisplayPosition.Right)
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panelRight.Children.Add(labelCaption);
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}
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// Text labels.
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panelLeft.Children.Remove(labelLeft);
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if (!StringUtil.IsBlank(labelLeft.Text))
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{
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contentDisplayed = true;
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panelLeft.Children.Add(labelLeft);
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}
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panelRight.Children.Remove(labelRight);
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if (!StringUtil.IsBlank(labelRight.Text))
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{
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contentDisplayed = true;
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panelRight.Children.Add(labelRight);
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}
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// Toolbar.
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panelLeft.Children.Remove(panelToolbar);
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panelMiddle.Children.Remove(panelToolbar);
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panelRight.Children.Remove(panelToolbar);
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panelToolbar.Children.Clear();
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// Toolbar icons.
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if (display_ToolbarItem_Back)
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panelToolbar.Children.Add(toolbarItem_Back);
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if (panelToolbar.Children.Any() && ToolbarDisplay != Sam.DisplayPosition.None)
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{
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contentDisplayed = true;
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if (ToolbarDisplay == Sam.DisplayPosition.Left)
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panelLeft.Children.Add(panelToolbar);
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else if (ToolbarDisplay == Sam.DisplayPosition.Middle)
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panelMiddle.Children.Add(panelToolbar);
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else if (ToolbarDisplay == Sam.DisplayPosition.Right)
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panelRight.Children.Add(panelToolbar);
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}
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// Hide panel if nothing displayed.
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if (contentDisplayed)
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IsVisible = true;
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else IsVisible = false;
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}
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//-------------------------------------------------------------------
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// Toolbar actions.
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private void ToolbarItem_Back_Clicked(object? sender, EventArgs e)
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{
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//if (Navigation.NavigationStack.Where(item => System.Object.ReferenceEquals(item, this)).Any())
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Page? page = this.GetPage();
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if (Navigation.NavigationStack.Any() && System.Object.ReferenceEquals(Navigation.NavigationStack.Last(), page))
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{
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Navigation.PopAsync();
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return;
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}
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if (Navigation.ModalStack.Where(item => System.Object.ReferenceEquals(item, page)).Any())
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{
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Navigation.PopModalAsync();
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return;
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}
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}
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//-------------------------------------------------------------------
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}
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//=======================================================================
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}
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