質問編集履歴
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コード追加
test
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test
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###追記コード
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```
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using System;
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using System.Diagnostics;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using Xamarin.Forms;
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namespace XaCurry
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{
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public class Test2Page : ContentPage
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{
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public Test2Page()
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{
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var ar = new List<MyCell>();
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for (var i = 0; i < 5; i++)
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{
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ar.Add(new MyCell
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{
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No = i,
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Text = "Item" + i,
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});
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}
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MakePage(ar);
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}
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public void MakePage( List<MyCell> ar )
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{
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var listItems = new ListView
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{
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ItemsSource = ar,
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};
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listItems.ItemTemplate = new DataTemplate(() =>
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{
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var no = new Label();
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no.SetBinding(Label.TextProperty, "No");
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var text = new Label();
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text.SetBinding(Label.TextProperty, "Text");
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return new ViewCell
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{
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View = new StackLayout
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{
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Padding = new Thickness(20, 10, 20, 10),
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Spacing = 10,
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Orientation = StackOrientation.Horizontal,
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Children =
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{
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no,
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text,
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},
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},
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};
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});
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listItems.ItemSelected += async(sender, e) =>
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{
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bool flag = await DisplayAlert("Alert Title", e.SelectedItem + " is selected.", "OK", "Cancel");
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if (flag)
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{
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// ここで選択したセル内のラベルを書き換えたい
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var i = ar.IndexOf(((MyCell)e.SelectedItem));
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ar[i].Text = "@" + ar[i].Text;
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MakePage(ar);
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}
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};
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Content = new StackLayout
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{
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Children = {
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listItems,
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}
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};
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}
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}
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public class MyCell
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{
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public int No { get; set; }
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public string Text { get; set; }
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}
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}
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```
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