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2023/07/27 15:39

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TN8001

スコア9350

test CHANGED Viewed

@@ -1,341 +1,171 @@
 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。
 [BrushConverter クラス (System.Windows.Media) | Microsoft Docs](https://docs.microsoft.com/ja-jp/dotnet/api/system.windows.media.brushconverter)
 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。
-```xaml
+```xml
 <Window
   x:Class="Questions344646.MainWindow"
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
   xmlns:System="clr-namespace:System;assembly=mscorlib"
   Width="600"
   Height="400"
   Background="LightGray">
   <Window.Resources>
     <x:Array x:Key="Colors" Type="System:String">
       <System:String>Red</System:String>
       <System:String>Blue</System:String>
       <System:String>Green</System:String>
       <System:String>White</System:String>
       <System:String>Black</System:String>
       <System:String>NoColor</System:String>
     </x:Array>
   </Window.Resources>
   <Grid>
     <Grid.ColumnDefinitions>
       <ColumnDefinition />
       <ColumnDefinition />
     </Grid.ColumnDefinitions>
     <GroupBox Header="BrushConverter">
       <Grid>
         <Grid.RowDefinitions>
           <RowDefinition Height="Auto" />
           <RowDefinition />
         </Grid.RowDefinitions>
         <DockPanel>
           <TextBlock VerticalAlignment="Center" Text="線の色" />
           <ComboBox
             x:Name="BordColorC"
             Margin="5"
             ItemsSource="{StaticResource Colors}"
             SelectedValue="{Binding DefoBordColor}"
             SelectionChanged="BordColorC_SelectionChanged" />
         </DockPanel>
         <Rectangle
           Name="Rectan"
           Grid.Row="1"
           Width="120"
           Height="100"
           Stroke="Black"
           StrokeThickness="2" />
       </Grid>
     </GroupBox>
     <GroupBox Grid.Column="1" Header="Dictionary">
       <Grid>
         <Grid.RowDefinitions>
           <RowDefinition Height="Auto" />
           <RowDefinition />
         </Grid.RowDefinitions>
         <DockPanel>
           <TextBlock VerticalAlignment="Center" Text="線の色" />
           <ComboBox
             x:Name="BordColorC2"
             Margin="5"
             ItemsSource="{Binding Colors}"
             SelectedValue="{Binding DefoBordColor2}"
             SelectedValuePath="Key"
             SelectionChanged="BordColorC2_SelectionChanged">
             <ComboBox.ItemTemplate>
               <DataTemplate>
                 <DockPanel>
                   <Ellipse
                     Width="16"
                     Height="16"
                     Fill="{Binding Value}" />
                   <TextBlock
                     Margin="5,0"
                     VerticalAlignment="Center"
                     Text="{Binding Key}" />
                 </DockPanel>
               </DataTemplate>
             </ComboBox.ItemTemplate>
           </ComboBox>
         </DockPanel>
         <Rectangle
           Name="Rectan2"
           Grid.Row="1"
           Width="120"
           Height="100"
           Stroke="Black"
           StrokeThickness="2" />
       </Grid>
     </GroupBox>
   </Grid>
 </Window>
 ```
-```C#
+```cs
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media;
 namespace Questions344646
 {
     public class DefaultData
     {
         public static string DefoBordColor
         {
             get => Properties.Settings.Default.DefaBordColor;
             set => Properties.Settings.Default.DefaBordColor = value;
+        }
+        public static string DefoBordColor2
+        {
+            get => Properties.Settings.Default.DefaBordColor2;
+            set => Properties.Settings.Default.DefaBordColor2 = value;
         }
+        public static Dictionary<string, SolidColorBrush> Colors { get; } =
-        public static string DefoBordColor2
+            new Dictionary<string, SolidColorBrush>
+            {
+                {"Red", Brushes.Red },
+                {"Blue", Brushes.Blue },
+                {"Green", Brushes.Green },
+                {"白", Brushes.White },
+                {"黒", Brushes.Black },
+                {"透明", Brushes.Transparent },
+            };
+    }
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
         {
+            InitializeComponent();
+            // 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^^;
-            get => Properties.Settings.Default.DefaBordColor2;
+            DataContext = new DefaultData();
-            set => Properties.Settings.Default.DefaBordColor2 = value;
         }
-        public static Dictionary<string, SolidColorBrush> Colors { get; } =
-            new Dictionary<string, SolidColorBrush>
+        protected override void OnClosing(CancelEventArgs e)
-            {
-                {"Red", Brushes.Red },
-                {"Blue", Brushes.Blue },
-                {"Green", Brushes.Green },
-                {"白", Brushes.White },
-                {"黒", Brushes.Black },
-                {"透明", Brushes.Transparent },
-            };
-    }
-    public partial class MainWindow : Window
-    {
-        public MainWindow()
         {
-            InitializeComponent();
-            // 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^^;
-            DataContext = new DefaultData();
+            Properties.Settings.Default.Save();
         }
-        protected override void OnClosing(CancelEventArgs e)
+        private void BordColorC_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
+            var name = BordColorC.SelectedItem.ToString();
+            try
+            {
+                var brush = (SolidColorBrush)new BrushConverter().ConvertFromString(name);
+                Rectan.Stroke = brush;
+            }
+            catch
+            {
-            Properties.Settings.Default.Save();
+                Rectan.Stroke = Brushes.Transparent;
+            }
         }
-        private void BordColorC_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        private void BordColorC2_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
-            var name = BordColorC.SelectedItem.ToString();
-            try
-            {
-                var brush = (SolidColorBrush)new BrushConverter().ConvertFromString(name);
+            var pair = (KeyValuePair<string, SolidColorBrush>)BordColorC2.SelectedItem;
-                Rectan.Stroke = brush;
+            Rectan2.Stroke = pair.Value;
-            }
-            catch
-            {
-                Rectan.Stroke = Brushes.Transparent;
-            }
         }
-        private void BordColorC2_SelectionChanged(object sender, SelectionChangedEventArgs e)
-        {
-            var pair = (KeyValuePair<string, SolidColorBrush>)BordColorC2.SelectedItem;
-            Rectan2.Stroke = pair.Value;
-        }
     }
 }
 ```
 ![アプリ画像](ce0166af3c06898fd2f0b7fa5794fb5f.png)