質問編集履歴
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現時点でのコードを記載。
test
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File without changes
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test
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@@ -243,3 +243,249 @@
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参考にできるサイトでも構いませんので、皆さんの力をお借り出来ればと思います。
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どうぞよろしくお願いいたします。
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249
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### 現在のソースコード
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251
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```xaml
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253
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<Window x:Class="WpfApplication1.MainWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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256
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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258
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Title="MainWindow" Height="300" Width="525">
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260
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261
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<Grid>
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263
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<Grid.ColumnDefinitions>
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264
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<ColumnDefinition/>
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<ColumnDefinition/>
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</Grid.ColumnDefinitions>
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270
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271
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<!--右のスクロールを動かす→左のスクロールが同期する、という動作は未実装です。-->
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272
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273
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<!--現在、仮にMouseUpイベントを拾っていますが、これでよいのでしょうか？-->
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274
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<!--ほぼほぼ想定通りの動きをするのですが、どれかItemsをクリックしないと反応してくれないのが心残り…-->
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<ListView Name="LeftListView" Grid.Column="0" MouseUp="LeftListView_MouseUp">
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<ListView.Items>
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<TextBlock Text="a"/>
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<TextBlock Text="b"/>
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<TextBlock Text="c"/>
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<TextBlock Text="d"/>
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<TextBlock Text="e"/>
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<TextBlock Text="f"/>
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<TextBlock Text="g"/>
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<TextBlock Text="h"/>
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<TextBlock Text="i"/>
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<TextBlock Text="j"/>
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<TextBlock Text="k"/>
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<TextBlock Text="l"/>
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<TextBlock Text="m"/>
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<TextBlock Text="n"/>
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<TextBlock Text="o"/>
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<TextBlock Text="p"/>
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<TextBlock Text="q"/>
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<TextBlock Text="r"/>
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<TextBlock Text="s"/>
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<TextBlock Text="t"/>
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<TextBlock Text="u"/>
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<TextBlock Text="v"/>
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<TextBlock Text="w"/>
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<TextBlock Text="x"/>
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<TextBlock Text="y"/>
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<TextBlock Text="z"/>
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</ListView.Items>
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</ListView>
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<ListView Name="RightListView" Grid.Column="1">
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<ListView.Items>
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<TextBlock Text="a"/>
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<TextBlock Text="b"/>
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<TextBlock Text="c"/>
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<TextBlock Text="d"/>
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<TextBlock Text="e"/>
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<TextBlock Text="f"/>
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<TextBlock Text="g"/>
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<TextBlock Text="h"/>
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<TextBlock Text="i"/>
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<TextBlock Text="j"/>
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<TextBlock Text="k"/>
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<TextBlock Text="l"/>
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<TextBlock Text="m"/>
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<TextBlock Text="n"/>
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<TextBlock Text="o"/>
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<TextBlock Text="p"/>
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<TextBlock Text="q"/>
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<TextBlock Text="r"/>
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<TextBlock Text="s"/>
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<TextBlock Text="t"/>
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<TextBlock Text="u"/>
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<TextBlock Text="v"/>
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<TextBlock Text="w"/>
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<TextBlock Text="x"/>
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<TextBlock Text="y"/>
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<TextBlock Text="z"/>
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</ListView.Items>
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</ListView>
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</Grid>
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</Window>
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```
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```C#
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// MainWindow.xaml.cs
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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.Windows;
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416
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using System.Windows.Automation;
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using System.Windows.Automation.Peers;
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using System.Windows.Automation.Provider;
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using System.Windows.Controls;
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using System.Windows.Media;
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namespace WpfApplication1
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430
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{
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/// <summary>
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435
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/// MainWindow.xaml の相互作用ロジック
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/// </summary>
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438
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439
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public partial class MainWindow : Window
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440
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441
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{
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442
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public MainWindow()
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444
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{
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InitializeComponent();
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}
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private void LeftListView_MouseUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
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454
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{
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var left = LeftListView;
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var scroll = left.Descendants<ScrollViewer>().FirstOrDefault();
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461
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scroll.ScrollChanged += scroll_ScrollChanged;
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}
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466
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467
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468
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469
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private void scroll_ScrollChanged(object sender, ScrollChangedEventArgs e)
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470
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471
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{
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472
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473
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var right = RightListView;
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474
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475
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var scroll = right.Descendants<ScrollViewer>().FirstOrDefault();
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476
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477
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478
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double scrollValue = e.VerticalOffset;
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480
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481
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scroll.ScrollToVerticalOffset(scrollValue);
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482
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}
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484
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485
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}
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}
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488
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```
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