質問編集履歴
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ソースコードの修正
test
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### 該当のソースコード
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```xaml
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<Window
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<Window
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x:Class="Qogxgft0o3rrwcj.MainWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:dd="urn:gong-wpf-dragdrop"
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xmlns:local="clr-namespace:Qogxgft0o3rrwcj"
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Width="800"
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Height="450">
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<Window.Resources>
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<local:ManagerDropHandler x:Key="ManagerDropHandler" />
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<Style TargetType="Button">
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<Setter Property="Margin" Value="10,5" />
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<Setter Property="MinWidth" Value="80" />
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</Style>
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<Style TargetType="GroupBox">
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<Setter Property="BorderThickness" Value="0" />
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</Style>
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</Window.Resources>
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<Grid Margin="10">
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="10*" />
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<ColumnDefinition Width="27*" />
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</Grid.ColumnDefinitions>
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<DockPanel>
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<Button
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Click="OpenButton_Click"
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Content="開く"
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DockPanel.Dock="Top" />
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<Button
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Click="SaveAsButton_Click"
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Content="保存"
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DockPanel.Dock="Top" />
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<GroupBox Header="name">
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<ListBox
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x:Name="nameListBox"
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dd:DragDrop.DropHandler="{StaticResource ManagerDropHandler}"
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dd:DragDrop.IsDragSource="True"
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dd:DragDrop.IsDropTarget="True"
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DisplayMemberPath="name"
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IsSynchronizedWithCurrentItem="True"
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ItemsSource="{Binding}" />
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</GroupBox>
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</DockPanel>
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<Grid Grid.Column="1">
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto" />
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<RowDefinition />
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<RowDefinition Height="Auto" />
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</Grid.RowDefinitions>
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<DockPanel>
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<StackPanel DockPanel.Dock="Right">
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<Button Click="Name_NewButton_Click" Content="新規" />
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<Button Click="Name_DelButton_Click" Content="削除" />
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</StackPanel>
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<StackPanel>
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<GroupBox DockPanel.Dock="Top" Header="name">
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<TextBox Text="{Binding /name, UpdateSourceTrigger=PropertyChanged}" />
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</GroupBox>
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<GroupBox DockPanel.Dock="Top" Header="URL">
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<TextBox Text="{Binding /url, UpdateSourceTrigger=PropertyChanged}" />
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</GroupBox>
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</StackPanel>
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</DockPanel>
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<GroupBox Grid.Row="1" Header="subname">
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<ListBox
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x:Name="subNameListBox"
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dd:DragDrop.IsDragSource="True"
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dd:DragDrop.IsDropTarget="True"
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DisplayMemberPath="subname"
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IsSynchronizedWithCurrentItem="True"
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ItemsSource="{Binding /manager_list}" />
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</GroupBox>
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<DockPanel Grid.Row="2">
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<StackPanel DockPanel.Dock="Right">
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<Button Click="SubName_NewButton_Click" Content="新規" />
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<Button Click="SubName_DelButton_Click" Content="削除" />
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</StackPanel>
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<StackPanel>
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<GroupBox Header="subname">
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<TextBox Text="{Binding /manager_list/subname, UpdateSourceTrigger=PropertyChanged}" />
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</GroupBox>
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<GroupBox Header="address">
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<TextBox Text="{Binding /manager_list/address, UpdateSourceTrigger=PropertyChanged}" />
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</GroupBox>
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</StackPanel>
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</DockPanel>
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</Grid>
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</Grid>
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</Window>
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```
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```C#
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using System.Collections.ObjectModel;
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using System.IO;
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using System.Windows;
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using GongSolutions.Wpf.DragDrop;
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using GongSolutions.Wpf.DragDrop.Utilities;
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using Microsoft.Win32;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Windows;
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using System.Windows.
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using System.Windows.Forms;
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namespace
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namespace Qogxgft0o3rrwcj
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{
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public class Manager
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{
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public string subname { get; set; }
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public string address { get; set; }
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}
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public class PersonalData
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{
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public string name { get; set; }
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public string url { get; set; }
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public ObservableCollection<Manager> manager_list { get; set; }
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}
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public partial class MainWindow : Window
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{
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private ObservableCollection<PersonalData> _data = new ObservableCollection<PersonalData>();
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public MainWindow()
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{
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InitializeComponent();
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DataContext = _data;
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Dummy();
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}
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private void OpenButton_Click(object sender, RoutedEventArgs e)
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{
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var dialog = new OpenFileDialog { Filter = "json|*.json", };
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if (dialog.ShowDialog() == true)
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{
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var json = File.ReadAllText(dialog.FileName);
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_data = JsonConvert.DeserializeObject<ObservableCollection<PersonalData>>(json);
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DataContext = _data;
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}
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}
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private void SaveAsButton_Click(object sender, RoutedEventArgs e)
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{
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var dialog = new SaveFileDialog { Filter = "json|*.json", };
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if (dialog.ShowDialog() == true)
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{
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var json = JsonConvert.SerializeObject(_data, Formatting.Indented);
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File.WriteAllText(dialog.FileName, json);
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}
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}
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private void Name_NewButton_Click(object sender, RoutedEventArgs e)
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{
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var data = new PersonalData
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{
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name = "new name",
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manager_list = new ObservableCollection<Manager>(),
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};
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_data.Add(data);
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nameListBox.SelectedItem = data;
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}
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private void Name_DelButton_Click(object sender, RoutedEventArgs e)
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{
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DialogResult result = MessageBox.Show("msg", "タイトル", MessageBoxButtons.YesNo);
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if (nameListBox.SelectedItem is PersonalData data)
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{
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_data.Remove(data);
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}
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}
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private void SubName_NewButton_Click(object sender, RoutedEventArgs e)
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{
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if (nameListBox.SelectedItem is PersonalData data)
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{
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var manager = new Manager { subname = "new subname", };
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data.manager_list.Add(manager);
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subNameListBox.SelectedItem = manager;
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}
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}
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private void SubName_DelButton_Click(object sender, RoutedEventArgs e)
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{
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if (nameListBox.SelectedItem is PersonalData data
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&& subNameListBox.SelectedItem is Manager manager)
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{
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data.manager_list.Remove(manager);
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}
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}
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private void Dummy()
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{
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if (File.Exists("test.json")) return;
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var json = @"
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[
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{
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"name": "tora",
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""name"": ""tora"",
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"url": "https:tora.com",
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""url"": ""https:tora.com"",
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"manager_list": [
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""manager_list"": [
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{
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"subname": "tiger",
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""subname"": ""tiger"",
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"address": "chiba"
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""address"": ""chiba""
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},
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{
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"subname": "tiger2",
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""subname"": ""tiger2"",
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"address": "tokyo"
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""address"": ""tokyo""
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}
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]
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},
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{
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"name": "cat",
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""name"": ""cat"",
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"url": "https:cat.com",
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""url"": ""https:cat.com"",
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"manager_list": [
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""manager_list"": [
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{
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"subname": "neko",
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""subname"": ""neko"",
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"address": "kanagawa"
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""address"": ""kanagawa""
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},
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{
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"subname": "neko2",
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""subname"": ""neko2"",
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"address": "yokohama"
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""address"": ""yokohama""
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}
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]
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}
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]
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".Trim();
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File.WriteAllText("test.json", json);
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}
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}
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255
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class ManagerDropHandler : DefaultDropHandler
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{
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public override void DragOver(IDropInfo dropInfo)
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{
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259
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// nameListBox内アイテム並び替え（デフォルト動作）
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260
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+
if (dropInfo.Data is PersonalData && dropInfo.TargetItem is PersonalData)
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{
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base.DragOver(dropInfo);
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}
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264
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// subNameListBox→nameListBox アイテム移動・コピー（Ctrl+ドラッグ）
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265
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+
else if (dropInfo.Data is Manager && dropInfo.TargetItem is PersonalData)
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{
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var isCopy = dropInfo.KeyStates.HasFlag(DragDropKeyStates.ControlKey);
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268
|
+
dropInfo.Effects = isCopy ? DragDropEffects.Copy : DragDropEffects.Move;
|
|
269
|
+
dropInfo.DropTargetAdorner = DropTargetAdorners.Highlight;
|
|
270
|
+
}
|
|
271
|
+
}
|
|
272
|
+
|
|
273
|
+
public override void Drop(IDropInfo dropInfo)
|
|
274
|
+
{
|
|
275
|
+
if (dropInfo?.DragInfo == null) return;
|
|
276
|
+
|
|
277
|
+
// nameListBox内アイテム並び替え（デフォルト動作）
|
|
278
|
+
if (dropInfo.Data is PersonalData && dropInfo.TargetItem is PersonalData)
|
|
279
|
+
{
|
|
280
|
+
base.Drop(dropInfo);
|
|
281
|
+
}
|
|
282
|
+
// subNameListBox→nameListBox アイテム移動・コピー（Ctrl+ドラッグ）
|
|
283
|
+
else if (dropInfo.Data is Manager source && dropInfo.TargetItem is PersonalData target)
|
|
284
|
+
{
|
|
285
|
+
var sourceList = dropInfo.DragInfo.SourceCollection.TryGetList();
|
|
286
|
+
if (dropInfo.Effects == DragDropEffects.Copy)
|
|
287
|
+
{
|
|
288
|
+
var copy = new Manager { subname = source.subname, address = source.address, };
|
|
289
|
+
target.manager_list.Add(copy);
|
|
290
|
+
}
|
|
291
|
+
else if (dropInfo.Effects == DragDropEffects.Move)
|
|
292
|
+
{
|
|
293
|
+
sourceList.Remove(source);
|
|
294
|
+
target.manager_list.Add(source);
|
|
295
|
+
}
|
|
296
|
+
}
|
|
297
|
+
}
|
|
298
|
+
}
|
|
299
|
+
}
|
|
174
300
|
```
|
|
301
|
+
|