編集履歴

質問編集履歴

コードの修正

2018/11/01 14:03

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test CHANGED Viewed

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test CHANGED Viewed

@@ -8,7 +8,7 @@
-ですがページA→ページB→ページAと移動するとページAのテキストボックスに入力されていた値が保持されません。
+ですがSetting(ページ)→Home(ページ)→Setting(ページ)と移動するとSettingのテキストボックスに入力されていた値が保持されません。
@@ -16,17 +16,17 @@
-①PageAを読み込むとSettingクラスのオブジェクトsetting_classが生成。
+①Settingページを読み込むとSettingクラスのオブジェクトsetting_classが生成。
-②PageAのTextBoxに値が入力される
+②自分で入力することでSettingページのTextBoxに値が入力される
 ③BindingしてあるSettingクラスのusernameプロパティが入力された値になる
-④違いページに移動
+④Homeページに移動
-⑤再びPageAに戻る
+⑤再びSettingページに戻る
-⑥PageAのコンストラクタでSettingクラスのオブジェクトsetting_classがテキストボックスに割り当てられる
+⑥SettingページのコンストラクタでSettingクラスのオブジェクトsetting_classがテキストボックスに割り当てられる
@@ -42,19 +42,9 @@
 <Window x:Class="MVVM.MainWindow"
-        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:MVVM"
-        mc:Ignorable="d"
+       //不必要な部分はカット
-        Title="MainWindow" Height="450" Width="800">
+    Title="MainWindow" Height="450" Width="800">
 	<Grid>
@@ -134,19 +124,7 @@
 <Page x:Class="MVVM.Home"
-      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-      xmlns:local="clr-namespace:MVVM"
-      mc:Ignorable="d"
+//不必要な部分はカット
-      d:DesignHeight="450" d:DesignWidth="800"
       Title="Home">
@@ -172,194 +150,178 @@
 {
+    public partial class Home : Page
+    {
+        public Home()
+        {
+            InitializeComponent();
+        }
+    }
+}
+```
+**Setting.xaml**
+```
+<Page x:Class="MVVM.Setting"
+//不必要な部分はカット
+      Title="Setting">
+    <Grid Background="White">
+		<TextBox HorizontalAlignment="Left" Height="23" Margin="263,163,0,0" TextWrapping="Wrap"  VerticalAlignment="Top" Width="120"
+				 Text="{Binding username}"/>
+	</Grid>
+</Page>
+```
+**Setting_ViewModel.cs**
+```
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.ComponentModel;
+namespace MVVM
+{
+    class Setting_ViewModel :INotifyPropertyChanged
+    {
+        private string username_value;
+        public string username
+        {
+            get { return username_value; }
+            set
+            {
+                username_value = value;
+                NotifyPropertyChanged("username");
+            }
+        }
+        public event PropertyChangedEventHandler PropertyChanged;
+        private void NotifyPropertyChanged(String info)
+        {
+            if (PropertyChanged != null)
+            {
+                PropertyChanged(this, new PropertyChangedEventArgs(info));
+            }
+        }
+    }
+}
+```
+**Setting.xaml.cs**
+```
+namespace MVVM
+{
     /// <summary>
-    /// Home.xaml の相互作用ロジック
+    /// Setting.xaml の相互作用ロジック
     /// </summary>
-    public partial class Home : Page
+    public partial class Setting : Page
     {
-        public Home()
+        public Setting()
         {
             InitializeComponent();
+            IdTextBox.DataContext = setting_class;
-        }
+        }
+        Setting_ViewModel setting_class = new Setting_ViewModel();
     }
 }
-```
+```
-**Setting.xaml**
-```
-<Page x:Class="MVVM.Setting"
-      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-      xmlns:local="clr-namespace:MVVM"
-      mc:Ignorable="d"
-      d:DesignHeight="450" d:DesignWidth="800"
-      Title="Setting">
-    <Grid Background="White">
-		<TextBox HorizontalAlignment="Left" Height="23" Margin="263,163,0,0" TextWrapping="Wrap"  VerticalAlignment="Top" Width="120"
-				 Text="{Binding username}"/>
-	</Grid>
-</Page>
-```
-**Setting_ViewModel.cs**
-```
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.ComponentModel;
-namespace MVVM
-{
-    class Setting_ViewModel :INotifyPropertyChanged
-    {
-        private string username_value;
-        public string username
-        {
-            get { return username_value; }
-            set
-            {
-                username_value = value;
-                NotifyPropertyChanged("username");
-            }
-        }
-        public event PropertyChangedEventHandler PropertyChanged;
-        private void NotifyPropertyChanged(String info)
-        {
-            if (PropertyChanged != null)
-            {
-                PropertyChanged(this, new PropertyChangedEventArgs(info));
-            }
-        }
-    }
-}
-```
-**Setting.xaml.cs**
-```
-namespace MVVM
-{
-    /// <summary>
-    /// Setting.xaml の相互作用ロジック
-    /// </summary>
-    public partial class Setting : Page
-    {
-        public Setting()
-        {
-            InitializeComponent();
-            IdTextBox.DataContext = setting_class;
-        }
-        Setting_ViewModel setting_class = new Setting_ViewModel();
-    }
-}
-```

コードの編集

2018/11/01 14:03

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退会済みユーザー

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test CHANGED Viewed

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test CHANGED Viewed

@@ -40,7 +40,49 @@
 ```
+<Window x:Class="MVVM.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:MVVM"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+	<Grid>
+	<Button Content="Button" HorizontalAlignment="Left" Margin="10,139,0,0" VerticalAlignment="Top" Width="75" RenderTransformOrigin="-0.24,1.068" Click="Button_Click"/>
+	<Button Content="Button" HorizontalAlignment="Left" Margin="10,183,0,0" VerticalAlignment="Top" Width="75" RenderTransformOrigin="-0.24,1.068" Click="Button_Click_1"/>
+	<Frame Grid.Row="1" NavigationUIVisibility="Hidden" Name="Frame" Margin="160,0,0,0" Background="Black"/>
+	</Grid>
+</Window>
+```
+**MainWindows.xaml.cs**
+```
+        public partial class MainWindow : Window
+    {
         public MainWindow()
@@ -50,57 +92,201 @@
             Navi = this.Frame.NavigationService;
-        }
-     //フィールドに定義
-     private NavigationService Navi;
-     private List<Uri> UriList = new List<Uri>() {new Uri("PageA.xaml",UriKind.Relative),
-     new Uri("PageB.xaml",UriKind.Relative),};
- private void ListMenu_SelectionChanged(object sender, SelectionChangedEventArgs e)
-        {
-            int index = ListMenu.SelectedIndex;
-            switch (index)
+        }
+        private NavigationService Navi;
+        private List<Uri> UriList = new List<Uri>() {new Uri("Home.xaml",UriKind.Relative),
+         new Uri("Setting.xaml",UriKind.Relative),};
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+            Navi.Navigate(UriList[0]);
+        }
+        private void Button_Click_1(object sender, RoutedEventArgs e)
+        {
+            Navi.Navigate(UriList[1]);
+        }
+    }
+```
+**Home.xaml**
+```
+<Page x:Class="MVVM.Home"
+      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+      xmlns:local="clr-namespace:MVVM"
+      mc:Ignorable="d"
+      d:DesignHeight="450" d:DesignWidth="800"
+      Title="Home">
+    <Grid Background="#FFFF0202"/>
+</Page>
+````
+**Home.xaml.cs***
+```
+namespace MVVM
+{
+    /// <summary>
+    /// Home.xaml の相互作用ロジック
+    /// </summary>
+    public partial class Home : Page
+    {
+        public Home()
+        {
+            InitializeComponent();
+        }
+    }
+}
+```
+**Setting.xaml**
+```
+<Page x:Class="MVVM.Setting"
+      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+      xmlns:local="clr-namespace:MVVM"
+      mc:Ignorable="d"
+      d:DesignHeight="450" d:DesignWidth="800"
+      Title="Setting">
+    <Grid Background="White">
+		<TextBox HorizontalAlignment="Left" Height="23" Margin="263,163,0,0" TextWrapping="Wrap"  VerticalAlignment="Top" Width="120"
+				 Text="{Binding username}"/>
+	</Grid>
+</Page>
+```
+**Setting_ViewModel.cs**
+```
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.ComponentModel;
+namespace MVVM
+{
+    class Setting_ViewModel :INotifyPropertyChanged
+    {
+        private string username_value;
+        public string username
+        {
+            get { return username_value; }
+            set
             {
-                case 0:
-                    Navi.Navigate(UriList[0]);
+                username_value = value;
-                    break;
-                case 1:
-                    Navi.Navigate(UriList[1]);
+                NotifyPropertyChanged("username");
-                    break;
-                default:
-                    break;
             }
@@ -108,124 +294,72 @@
+        public event PropertyChangedEventHandler PropertyChanged;
+        private void NotifyPropertyChanged(String info)
+        {
+            if (PropertyChanged != null)
+            {
+                PropertyChanged(this, new PropertyChangedEventArgs(info));
+            }
+        }
+    }
+}
-```
+```
-**PageA**
+**Setting.xaml.cs**
-```
+```
+namespace MVVM
+{
+    /// <summary>
+    /// Setting.xaml の相互作用ロジック
+    /// </summary>
-  public partial class PageA : Page
+    public partial class Setting : Page
     {
-     public PageA()
+        public Setting()
         {
             InitializeComponent();
-            //TextBoxにオブジェクトのプロパティを割り当てる
-            TextBox.DataContext = setting_class;
+            IdTextBox.DataContext = setting_class;
-        }
+        }
-        //オブジェクトの生成
-        Setting setting_class = new Setting { };
+        Setting_ViewModel setting_class = new Setting_ViewModel();
+    }
 }
-````
-**PageA_Model.cs**
-```
+```
-     //クラスの定義
-    class Setting : INotifyPropertyChanged
-    {
-            private string username_value;
-            public string username
-            {
-                get { return username_value; }
-                set
-                {
-                    username_value = value;
-                    NotifyPropertyChanged("username");
-                }
-            }
-            public event PropertyChangedEventHandler PropertyChanged;
-            private void NotifyPropertyChanged(String info)
-            {
-                if (PropertyChanged != null)
-                {
-                    PropertyChanged(this, new PropertyChangedEventArgs(info));
-                }
-            }
-    }
-```
-**PageA.xaml**
-```
-<TextBox x:Name="TextBox" Text="{Binding username}"> </TextBox>
-```