回答編集履歴
1
見直しキャンペーン中
answer
CHANGED
@@ -1,180 +1,180 @@
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`GridLength`を文字列でバインドすると、`Star`・`Pixcel`両対応でいい感じでした。
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再利用性のないユーザーコントロールに、`DependencyProperty`を生やすのは趣味でないのでベタ書きです(生やすなら汎用的に作りたいという意味です)
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ユーザーコントロールにするなら文字列(か`GridLength`)を中継する`DependencyProperty`を生やすだけです。
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```
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<Window
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x:Class="Questions355107.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:local="clr-namespace:Questions355107"
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Width="{Binding Settings.Window.Width, Mode=TwoWay}"
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Height="{Binding Settings.Window.Height, Mode=TwoWay}"
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FontSize="30"
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FontWeight="Bold"
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Left="{Binding Settings.Window.Left, Mode=TwoWay}"
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Top="{Binding Settings.Window.Top, Mode=TwoWay}">
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<Window.DataContext>
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<local:ViewModel />
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</Window.DataContext>
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<Window.Resources>
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<Style TargetType="TextBlock">
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<Setter Property="HorizontalAlignment" Value="Center" />
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<Setter Property="VerticalAlignment" Value="Center" />
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</Style>
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<Style TargetType="GridSplitter">
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<Setter Property="HorizontalAlignment" Value="Stretch" />
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</Style>
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</Window.Resources>
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<DockPanel>
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<StackPanel
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HorizontalAlignment="Center"
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DockPanel.Dock="Top"
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Orientation="Horizontal">
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<Button Command="{Binding SaveCommand}" Content="Save" />
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<Button Command="{Binding LoadCommand}" Content="Load" />
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</StackPanel>
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-
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="{Binding Settings.Splitter.Outer1, Mode=TwoWay}" />
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<ColumnDefinition Width="5" />
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<ColumnDefinition Width="{Binding Settings.Splitter.Outer2, Mode=TwoWay}" />
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<ColumnDefinition Width="5" />
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<ColumnDefinition Width="{Binding Settings.Splitter.Outer3, Mode=TwoWay}" />
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</Grid.ColumnDefinitions>
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<Border Background="LightCoral">
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<!--<TextBlock Text="outer ①" />-->
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<Grid Margin="10">
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<Grid.RowDefinitions>
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<RowDefinition Height="{Binding Settings.Splitter.Inner1, Mode=TwoWay}" />
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<RowDefinition Height="5" />
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<RowDefinition Height="{Binding Settings.Splitter.Inner2, Mode=TwoWay}" />
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</Grid.RowDefinitions>
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<Border Background="Pink">
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<TextBlock Text="inner ①" />
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</Border>
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<GridSplitter Grid.Row="1" />
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<Border Grid.Row="2" Background="Orange">
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<TextBlock Text="inner ②" />
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</Border>
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</Grid>
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</Border>
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<GridSplitter Grid.Column="1" />
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<Border Grid.Column="2" Background="LightGreen">
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<TextBlock Text="outer ②" />
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</Border>
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<GridSplitter Grid.Column="3" />
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<Border Grid.Column="4" Background="SkyBlue">
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<TextBlock Text="outer ③" />
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</Border>
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</Grid>
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</DockPanel>
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</Window>
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```
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```
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using System.Diagnostics;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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using System.Windows;
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namespace Questions355107
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{
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public class WindowModel : ObservableObject
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{
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public double Top { get => _Top; set => SetProperty(ref _Top, value); }
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private double _Top = double.NaN; // 動かさずにSaveすると位置を復元しないが、普通そういうことにはならんでしょう
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public double Left { get => _Left; set => SetProperty(ref _Left, value); }
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private double _Left = double.NaN;
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public double Width { get => _Width; set => SetProperty(ref _Width, value); }
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private double _Width = 800;
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public double Height { get => _Height; set => SetProperty(ref _Height, value); }
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private double _Height = 450;
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}
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public class SplitterModel : ObservableObject
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{
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public string Outer1 { get => _Outer1; set => SetProperty(ref _Outer1, value); }
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private string _Outer1 = "200"; // Pixcel指定(何もしていないのではみ出ます^^;
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public string Outer2 { get => _Outer2; set => SetProperty(ref _Outer2, value); }
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private string _Outer2 = "1*"; // Star指定
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public string Outer3 { get => _Outer3; set => SetProperty(ref _Outer3, value); }
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private string _Outer3 = "2*";
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public string Inner1 { get => _Inner1; set => SetProperty(ref _Inner1, value); }
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private string _Inner1 = "1*";
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public string Inner2 { get => _Inner2; set => SetProperty(ref _Inner2, value); }
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private string _Inner2 = "1*";
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}
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public class SettingsModel
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{
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public WindowModel Window { get; set; } = new();
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public SplitterModel Splitter { get; set; } = new();
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}
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public class ViewModel : ObservableObject
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{
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public SettingsModel Settings { get => _Settings; set => SetProperty(ref _Settings, value); }
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private SettingsModel _Settings;
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public RelayCommand SaveCommand { get; }
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public RelayCommand LoadCommand { get; }
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private string settingsJson;
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private readonly JsonSerializerOptions options = new()
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{
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NumberHandling = JsonNumberHandling.AllowNamedFloatingPointLiterals,
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WriteIndented = true,
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};
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public ViewModel()
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{
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Settings = new(); // 本来はファイルから
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SaveCommand = new(() =>
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{
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// ファイルにセーブしたつもり
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settingsJson = JsonSerializer.Serialize(Settings, options);
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Debug.WriteLine(settingsJson);
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});
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LoadCommand = new(() =>
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{
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// 私は普段起動時に読むだけなのでPropertyChangedすらしないが、
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// 起動中に変更する場合nullでも入れてリセットしないとうまく反映されなかった(Topだけ入らない等
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Settings = null;
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// ファイルからロードしたつもり
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Settings = JsonSerializer.Deserialize<SettingsModel>(settingsJson, options);
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});
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SaveCommand.Execute(null); // ヌルリよけ
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}
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}
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public partial class MainWindow : Window
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{
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public MainWindow() => InitializeComponent();
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}
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}
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```
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172
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-

|
173
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`INotifyPropertyChanged`・`ICommand`実装は↓を使用しました。
|
174
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-
[NuGet Gallery | CommunityToolkit.Mvvm 7.0.3](https://www.nuget.org/packages/CommunityToolkit.Mvvm/7.0.3)
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175
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176
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.NET Core 3.1より前の場合は↓を入れてください。
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[NuGet Gallery | System.Text.Json 5.0.2](https://www.nuget.org/packages/System.Text.Json)
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C#9で書いたので`new()`でエラーが出たら型を書いてください。
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1
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+
`GridLength`を文字列でバインドすると、`Star`・`Pixcel`両対応でいい感じでした。
|
2
|
+
|
3
|
+
再利用性のないユーザーコントロールに、`DependencyProperty`を生やすのは趣味でないのでベタ書きです(生やすなら汎用的に作りたいという意味です)
|
4
|
+
ユーザーコントロールにするなら文字列(か`GridLength`)を中継する`DependencyProperty`を生やすだけです。
|
5
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+
|
6
|
+
|
7
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+
```xml
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8
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<Window
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9
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x:Class="Questions355107.MainWindow"
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10
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+
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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11
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+
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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12
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xmlns:local="clr-namespace:Questions355107"
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13
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Width="{Binding Settings.Window.Width, Mode=TwoWay}"
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14
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Height="{Binding Settings.Window.Height, Mode=TwoWay}"
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15
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FontSize="30"
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FontWeight="Bold"
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Left="{Binding Settings.Window.Left, Mode=TwoWay}"
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Top="{Binding Settings.Window.Top, Mode=TwoWay}">
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<Window.DataContext>
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<local:ViewModel />
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</Window.DataContext>
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<Window.Resources>
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<Style TargetType="TextBlock">
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<Setter Property="HorizontalAlignment" Value="Center" />
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25
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<Setter Property="VerticalAlignment" Value="Center" />
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</Style>
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27
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<Style TargetType="GridSplitter">
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<Setter Property="HorizontalAlignment" Value="Stretch" />
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</Style>
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</Window.Resources>
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<DockPanel>
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<StackPanel
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HorizontalAlignment="Center"
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DockPanel.Dock="Top"
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Orientation="Horizontal">
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<Button Command="{Binding SaveCommand}" Content="Save" />
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<Button Command="{Binding LoadCommand}" Content="Load" />
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</StackPanel>
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="{Binding Settings.Splitter.Outer1, Mode=TwoWay}" />
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<ColumnDefinition Width="5" />
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<ColumnDefinition Width="{Binding Settings.Splitter.Outer2, Mode=TwoWay}" />
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<ColumnDefinition Width="5" />
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<ColumnDefinition Width="{Binding Settings.Splitter.Outer3, Mode=TwoWay}" />
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</Grid.ColumnDefinitions>
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48
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<Border Background="LightCoral">
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49
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<!--<TextBlock Text="outer ①" />-->
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50
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<Grid Margin="10">
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51
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<Grid.RowDefinitions>
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52
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<RowDefinition Height="{Binding Settings.Splitter.Inner1, Mode=TwoWay}" />
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<RowDefinition Height="5" />
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54
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<RowDefinition Height="{Binding Settings.Splitter.Inner2, Mode=TwoWay}" />
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55
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</Grid.RowDefinitions>
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56
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<Border Background="Pink">
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57
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<TextBlock Text="inner ①" />
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58
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</Border>
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59
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+
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60
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<GridSplitter Grid.Row="1" />
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61
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+
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62
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<Border Grid.Row="2" Background="Orange">
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63
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<TextBlock Text="inner ②" />
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64
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</Border>
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65
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</Grid>
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</Border>
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68
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<GridSplitter Grid.Column="1" />
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69
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<Border Grid.Column="2" Background="LightGreen">
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71
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<TextBlock Text="outer ②" />
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72
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</Border>
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73
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+
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74
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<GridSplitter Grid.Column="3" />
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75
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+
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76
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<Border Grid.Column="4" Background="SkyBlue">
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77
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<TextBlock Text="outer ③" />
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78
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</Border>
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79
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</Grid>
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80
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</DockPanel>
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81
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</Window>
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82
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+
```
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83
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|
84
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+
```cs
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85
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using CommunityToolkit.Mvvm.ComponentModel;
|
86
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+
using CommunityToolkit.Mvvm.Input;
|
87
|
+
using System.Diagnostics;
|
88
|
+
using System.Text.Json;
|
89
|
+
using System.Text.Json.Serialization;
|
90
|
+
using System.Windows;
|
91
|
+
|
92
|
+
|
93
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+
namespace Questions355107
|
94
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+
{
|
95
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+
public class WindowModel : ObservableObject
|
96
|
+
{
|
97
|
+
public double Top { get => _Top; set => SetProperty(ref _Top, value); }
|
98
|
+
private double _Top = double.NaN; // 動かさずにSaveすると位置を復元しないが、普通そういうことにはならんでしょう
|
99
|
+
public double Left { get => _Left; set => SetProperty(ref _Left, value); }
|
100
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+
private double _Left = double.NaN;
|
101
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+
public double Width { get => _Width; set => SetProperty(ref _Width, value); }
|
102
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+
private double _Width = 800;
|
103
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+
public double Height { get => _Height; set => SetProperty(ref _Height, value); }
|
104
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+
private double _Height = 450;
|
105
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+
}
|
106
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+
|
107
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+
public class SplitterModel : ObservableObject
|
108
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+
{
|
109
|
+
public string Outer1 { get => _Outer1; set => SetProperty(ref _Outer1, value); }
|
110
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+
private string _Outer1 = "200"; // Pixcel指定(何もしていないのではみ出ます^^;
|
111
|
+
public string Outer2 { get => _Outer2; set => SetProperty(ref _Outer2, value); }
|
112
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+
private string _Outer2 = "1*"; // Star指定
|
113
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+
public string Outer3 { get => _Outer3; set => SetProperty(ref _Outer3, value); }
|
114
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+
private string _Outer3 = "2*";
|
115
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+
public string Inner1 { get => _Inner1; set => SetProperty(ref _Inner1, value); }
|
116
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+
private string _Inner1 = "1*";
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117
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public string Inner2 { get => _Inner2; set => SetProperty(ref _Inner2, value); }
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118
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private string _Inner2 = "1*";
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119
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+
}
|
120
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+
|
121
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+
public class SettingsModel
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122
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{
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123
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public WindowModel Window { get; set; } = new();
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124
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public SplitterModel Splitter { get; set; } = new();
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125
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+
}
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126
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+
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127
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public class ViewModel : ObservableObject
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128
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{
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129
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+
public SettingsModel Settings { get => _Settings; set => SetProperty(ref _Settings, value); }
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130
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private SettingsModel _Settings;
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131
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+
public RelayCommand SaveCommand { get; }
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132
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+
public RelayCommand LoadCommand { get; }
|
133
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+
|
134
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+
private string settingsJson;
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135
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+
private readonly JsonSerializerOptions options = new()
|
136
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+
{
|
137
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+
NumberHandling = JsonNumberHandling.AllowNamedFloatingPointLiterals,
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138
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+
WriteIndented = true,
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139
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+
};
|
140
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+
|
141
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+
|
142
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+
public ViewModel()
|
143
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{
|
144
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+
Settings = new(); // 本来はファイルから
|
145
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+
|
146
|
+
SaveCommand = new(() =>
|
147
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+
{
|
148
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+
// ファイルにセーブしたつもり
|
149
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+
settingsJson = JsonSerializer.Serialize(Settings, options);
|
150
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+
Debug.WriteLine(settingsJson);
|
151
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+
});
|
152
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+
|
153
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+
LoadCommand = new(() =>
|
154
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+
{
|
155
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+
// 私は普段起動時に読むだけなのでPropertyChangedすらしないが、
|
156
|
+
// 起動中に変更する場合nullでも入れてリセットしないとうまく反映されなかった(Topだけ入らない等
|
157
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+
Settings = null;
|
158
|
+
// ファイルからロードしたつもり
|
159
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+
Settings = JsonSerializer.Deserialize<SettingsModel>(settingsJson, options);
|
160
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+
});
|
161
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+
|
162
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+
SaveCommand.Execute(null); // ヌルリよけ
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163
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+
}
|
164
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+
}
|
165
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+
|
166
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+
public partial class MainWindow : Window
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167
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+
{
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168
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+
public MainWindow() => InitializeComponent();
|
169
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+
}
|
170
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+
}
|
171
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+
```
|
172
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+

|
173
|
+
`INotifyPropertyChanged`・`ICommand`実装は↓を使用しました。
|
174
|
+
[NuGet Gallery | CommunityToolkit.Mvvm 7.0.3](https://www.nuget.org/packages/CommunityToolkit.Mvvm/7.0.3)
|
175
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+
|
176
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+
.NET Core 3.1より前の場合は↓を入れてください。
|
177
|
+
[NuGet Gallery | System.Text.Json 5.0.2](https://www.nuget.org/packages/System.Text.Json)
|
178
|
+
|
179
|
+
C#9で書いたので`new()`でエラーが出たら型を書いてください。
|
180
180
|
[Target-typed new expressions - C# 9.0 specification proposals | Microsoft Docs](https://docs.microsoft.com/ja-jp/dotnet/csharp/language-reference/proposals/csharp-9.0/target-typed-new)
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