回答編集履歴
1
見直しキャンペーン中
answer
CHANGED
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@@ -1,171 +1,171 @@
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解決されているので蛇足ですが、文字列から`Brush`への変換は`BrushConverter`が用意されています。
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[BrushConverter クラス (System.Windows.Media) | Microsoft Docs](https://docs.microsoft.com/ja-jp/dotnet/api/system.windows.media.brushconverter)
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-
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表示される文字列を日本語にしたり色見本を出したくなったときに、dodox86さんの回答のように辞書等で持っておくと楽なので私もこうしますね。
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```
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<Window
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x:Class="Questions344646.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:System="clr-namespace:System;assembly=mscorlib"
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Width="600"
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Height="400"
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Background="LightGray">
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<Window.Resources>
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<x:Array x:Key="Colors" Type="System:String">
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<System:String>Red</System:String>
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<System:String>Blue</System:String>
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<System:String>Green</System:String>
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<System:String>White</System:String>
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<System:String>Black</System:String>
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<System:String>NoColor</System:String>
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</x:Array>
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</Window.Resources>
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition />
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<ColumnDefinition />
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</Grid.ColumnDefinitions>
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<GroupBox Header="BrushConverter">
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<Grid>
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto" />
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<RowDefinition />
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</Grid.RowDefinitions>
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<DockPanel>
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<TextBlock VerticalAlignment="Center" Text="線の色" />
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<ComboBox
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x:Name="BordColorC"
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Margin="5"
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ItemsSource="{StaticResource Colors}"
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SelectedValue="{Binding DefoBordColor}"
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SelectionChanged="BordColorC_SelectionChanged" />
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</DockPanel>
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<Rectangle
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Name="Rectan"
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Grid.Row="1"
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Width="120"
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Height="100"
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Stroke="Black"
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StrokeThickness="2" />
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</Grid>
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</GroupBox>
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<GroupBox Grid.Column="1" Header="Dictionary">
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<Grid>
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto" />
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<RowDefinition />
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</Grid.RowDefinitions>
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<DockPanel>
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<TextBlock VerticalAlignment="Center" Text="線の色" />
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<ComboBox
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x:Name="BordColorC2"
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Margin="5"
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ItemsSource="{Binding Colors}"
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SelectedValue="{Binding DefoBordColor2}"
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SelectedValuePath="Key"
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SelectionChanged="BordColorC2_SelectionChanged">
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<ComboBox.ItemTemplate>
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<DataTemplate>
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<DockPanel>
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<Ellipse
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Width="16"
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Height="16"
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Fill="{Binding Value}" />
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<TextBlock
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Margin="5,0"
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VerticalAlignment="Center"
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Text="{Binding Key}" />
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</DockPanel>
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</DataTemplate>
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</ComboBox.ItemTemplate>
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</ComboBox>
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</DockPanel>
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<Rectangle
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Name="Rectan2"
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Grid.Row="1"
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Width="120"
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Height="100"
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Stroke="Black"
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StrokeThickness="2" />
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</Grid>
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</GroupBox>
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</Grid>
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</Window>
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```
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```
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101
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using System.Collections.Generic;
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102
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using System.ComponentModel;
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103
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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namespace Questions344646
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{
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public class DefaultData
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{
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public static string DefoBordColor
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{
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get => Properties.Settings.Default.DefaBordColor;
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set => Properties.Settings.Default.DefaBordColor = value;
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}
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public static string DefoBordColor2
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{
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get => Properties.Settings.Default.DefaBordColor2;
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set => Properties.Settings.Default.DefaBordColor2 = value;
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}
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public static Dictionary<string, SolidColorBrush> Colors { get; } =
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new Dictionary<string, SolidColorBrush>
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{
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{"Red", Brushes.Red },
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{"Blue", Brushes.Blue },
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{"Green", Brushes.Green },
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{"白", Brushes.White },
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{"黒", Brushes.Black },
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{"透明", Brushes.Transparent },
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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()
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{
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InitializeComponent();
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// xamlから逆算するとこうなっているってこと？？（ちょっと変わってますね^^;
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DataContext = new DefaultData();
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}
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protected override void OnClosing(CancelEventArgs e)
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{
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Properties.Settings.Default.Save();
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}
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private void BordColorC_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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var name = BordColorC.SelectedItem.ToString();
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try
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{
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var brush = (SolidColorBrush)new BrushConverter().ConvertFromString(name);
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Rectan.Stroke = brush;
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}
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catch
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{
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Rectan.Stroke = Brushes.Transparent;
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}
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}
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private void BordColorC2_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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var pair = (KeyValuePair<string, SolidColorBrush>)BordColorC2.SelectedItem;
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Rectan2.Stroke = pair.Value;
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}
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168
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}
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}
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170
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```
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1
|
+
解決されているので蛇足ですが、文字列から`Brush`への変換は`BrushConverter`が用意されています。
|
|
2
|
+
[BrushConverter クラス (System.Windows.Media) | Microsoft Docs](https://docs.microsoft.com/ja-jp/dotnet/api/system.windows.media.brushconverter)
|
|
3
|
+
|
|
4
|
+
表示される文字列を日本語にしたり色見本を出したくなったときに、dodox86さんの回答のように辞書等で持っておくと楽なので私もこうしますね。
|
|
5
|
+
|
|
6
|
+
```xml
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7
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+
<Window
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|
8
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+
x:Class="Questions344646.MainWindow"
|
|
9
|
+
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
|
|
10
|
+
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
|
|
11
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+
xmlns:System="clr-namespace:System;assembly=mscorlib"
|
|
12
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+
Width="600"
|
|
13
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+
Height="400"
|
|
14
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Background="LightGray">
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15
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+
<Window.Resources>
|
|
16
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+
<x:Array x:Key="Colors" Type="System:String">
|
|
17
|
+
<System:String>Red</System:String>
|
|
18
|
+
<System:String>Blue</System:String>
|
|
19
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+
<System:String>Green</System:String>
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20
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+
<System:String>White</System:String>
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21
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+
<System:String>Black</System:String>
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22
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<System:String>NoColor</System:String>
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23
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</x:Array>
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24
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</Window.Resources>
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25
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<Grid>
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26
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<Grid.ColumnDefinitions>
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27
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<ColumnDefinition />
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28
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<ColumnDefinition />
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29
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</Grid.ColumnDefinitions>
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30
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+
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31
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<GroupBox Header="BrushConverter">
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32
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<Grid>
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33
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<Grid.RowDefinitions>
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34
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<RowDefinition Height="Auto" />
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35
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<RowDefinition />
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36
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</Grid.RowDefinitions>
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37
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<DockPanel>
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38
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<TextBlock VerticalAlignment="Center" Text="線の色" />
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39
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+
<ComboBox
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40
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x:Name="BordColorC"
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41
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Margin="5"
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42
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ItemsSource="{StaticResource Colors}"
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43
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SelectedValue="{Binding DefoBordColor}"
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44
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SelectionChanged="BordColorC_SelectionChanged" />
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45
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</DockPanel>
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46
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<Rectangle
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47
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Name="Rectan"
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48
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Grid.Row="1"
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49
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Width="120"
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50
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Height="100"
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51
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Stroke="Black"
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52
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StrokeThickness="2" />
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53
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</Grid>
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54
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</GroupBox>
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55
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+
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56
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<GroupBox Grid.Column="1" Header="Dictionary">
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57
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<Grid>
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58
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<Grid.RowDefinitions>
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59
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<RowDefinition Height="Auto" />
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60
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<RowDefinition />
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61
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</Grid.RowDefinitions>
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62
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<DockPanel>
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63
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<TextBlock VerticalAlignment="Center" Text="線の色" />
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64
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<ComboBox
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65
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x:Name="BordColorC2"
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66
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Margin="5"
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67
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ItemsSource="{Binding Colors}"
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68
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SelectedValue="{Binding DefoBordColor2}"
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69
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SelectedValuePath="Key"
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70
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SelectionChanged="BordColorC2_SelectionChanged">
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71
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<ComboBox.ItemTemplate>
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72
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<DataTemplate>
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73
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<DockPanel>
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74
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<Ellipse
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75
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Width="16"
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76
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Height="16"
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77
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Fill="{Binding Value}" />
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78
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<TextBlock
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79
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Margin="5,0"
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80
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VerticalAlignment="Center"
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81
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Text="{Binding Key}" />
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82
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</DockPanel>
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83
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</DataTemplate>
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84
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</ComboBox.ItemTemplate>
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85
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</ComboBox>
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86
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</DockPanel>
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87
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<Rectangle
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88
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Name="Rectan2"
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89
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Grid.Row="1"
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90
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Width="120"
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91
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Height="100"
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92
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Stroke="Black"
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93
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StrokeThickness="2" />
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94
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</Grid>
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95
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</GroupBox>
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96
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</Grid>
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97
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</Window>
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98
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```
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99
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+
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100
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```cs
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101
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+
using System.Collections.Generic;
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102
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+
using System.ComponentModel;
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|
103
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+
using System.Windows;
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104
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+
using System.Windows.Controls;
|
|
105
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+
using System.Windows.Media;
|
|
106
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+
|
|
107
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+
namespace Questions344646
|
|
108
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+
{
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109
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+
public class DefaultData
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110
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+
{
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111
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+
public static string DefoBordColor
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112
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+
{
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113
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get => Properties.Settings.Default.DefaBordColor;
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114
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set => Properties.Settings.Default.DefaBordColor = value;
|
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115
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+
}
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116
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public static string DefoBordColor2
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117
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{
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118
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get => Properties.Settings.Default.DefaBordColor2;
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119
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set => Properties.Settings.Default.DefaBordColor2 = value;
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120
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}
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121
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+
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122
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+
public static Dictionary<string, SolidColorBrush> Colors { get; } =
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123
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+
new Dictionary<string, SolidColorBrush>
|
|
124
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+
{
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125
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+
{"Red", Brushes.Red },
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126
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+
{"Blue", Brushes.Blue },
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127
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{"Green", Brushes.Green },
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128
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{"白", Brushes.White },
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129
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{"黒", Brushes.Black },
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130
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{"透明", Brushes.Transparent },
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131
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};
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132
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+
}
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133
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+
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134
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public partial class MainWindow : Window
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135
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{
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136
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public MainWindow()
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137
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+
{
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138
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+
InitializeComponent();
|
|
139
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+
|
|
140
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+
// xamlから逆算するとこうなっているってこと？？（ちょっと変わってますね^^;
|
|
141
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+
DataContext = new DefaultData();
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142
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+
}
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|
143
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+
|
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144
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+
protected override void OnClosing(CancelEventArgs e)
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|
145
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+
{
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146
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Properties.Settings.Default.Save();
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147
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+
}
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|
148
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+
|
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149
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+
private void BordColorC_SelectionChanged(object sender, SelectionChangedEventArgs e)
|
|
150
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+
{
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|
151
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+
var name = BordColorC.SelectedItem.ToString();
|
|
152
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+
try
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|
153
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+
{
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|
154
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+
var brush = (SolidColorBrush)new BrushConverter().ConvertFromString(name);
|
|
155
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+
Rectan.Stroke = brush;
|
|
156
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+
}
|
|
157
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+
catch
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158
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+
{
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159
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+
Rectan.Stroke = Brushes.Transparent;
|
|
160
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+
}
|
|
161
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+
}
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|
162
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+
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163
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private void BordColorC2_SelectionChanged(object sender, SelectionChangedEventArgs e)
|
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164
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+
{
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165
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+
var pair = (KeyValuePair<string, SolidColorBrush>)BordColorC2.SelectedItem;
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166
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+
Rectan2.Stroke = pair.Value;
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|
167
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+
}
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|
168
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+
}
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169
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+
}
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|
170
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+
```
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171
171
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