vyakimova преди 7 месеца
родител
ревизия
716b0b2fce

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readme.md

@@ -1,411 +1,418 @@
-# Avalonia
-## Структура и пространства имен AXAML
-### создаваемый по умолчанию в проекте файл MainWindow.axaml будет иметь следующую разметку:
+# Привязка (Binding). Интерфейс INotifyPropertyChanged. Форматирование значений привязки и конвертеры значений.
+## Введение в привязку данных
 ```
 <Window 
-    xmlns="https://github.com/avaloniaui"
+    x:Class="BindingApp.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"
-    mc:Ignorable="d" 
-    d:DesignWidth="800" 
-    d:DesignHeight="450"
-    x:Class="AvaloniaFirst.MainWindow"
-    Title="AvaloniaFirst"
+    xmlns:local="clr-namespace:BindingApp"
+    mc:Ignorable="d"
+    Title="MainWindow" 
+    Height="250" 
+    Width="300"
 >
-    Welcome to Avalonia!
+    <StackPanel>
+        <TextBox 
+            x:Name="myTextBox" 
+            Height="30" />
+        <TextBlock 
+            x:Name="myTextBlock" 
+            Text="{Binding 
+                ElementName=myTextBox,
+                Path=Text}"
+            Height="30" />
+    </StackPanel>
 </Window>
 ```
-![](./img/буб.png)
-## Элементы и их атрибуты
-### добавим кнопку в создаваемую по умолчанию разметку окна:
+![](./img/Снимок%20экрана%202024-04-23%20010935.png)
+## Работа с привязкой в C#
 ```
-<Window xmlns="https://github.com/avaloniaui"
-        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"
-        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-        x:Class="AvaloniaApplication1.MainWindow"
-        Title="AvaloniaApplication1">
-        <Button 
-                x:Name="button1" Width="100" Height="30" Content="Кнопка" />
+public MainWindow()
+{
+    InitializeComponent();
+  
+    Binding binding = new Binding();
+ 
+    // элемент-источник
+    binding.ElementName = "myTextBox"; 
+
+    // свойство элемента-источника
+    binding.Path = new PropertyPath("Text"); 
+
+    // установка привязки для элемента-приемника
+    myTextBlock.SetBinding(TextBlock.TextProperty, binding); 
+}
+```
+![](./img/Снимок%20экрана%202024-04-23%20012626.png)
+## Режимы привязки
+```
+<StackPanel>
+    <TextBox 
+        x:Name="textBox1" 
+        Height="30" />
+    <TextBox 
+        x:Name="textBox2" 
+        Height="30" 
+        Text="{Binding 
+            ElementName=textBox1, 
+            Path=Text, 
+            Mode=TwoWay}" />
+</StackPanel>
+```
+![](./img/Снимок%20экрана%202024-04-23%20011715.png)
+## Свойство Source
+```
+class Phone
+{
+    public string Title { get; set; }
+    public string Company { get; set; }
+    public int Price { get; set; }
+}
+```
+```
+<Window 
+    x:Class="BindingApp.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:BindingApp"
+    mc:Ignorable="d"
+    Title="MainWindow" 
+    Height="150" 
+    Width="300"
+>
+    <Window.Resources>
+        <local:Phone 
+            x:Key="nexusPhone" 
+            Title="Nexus X5" 
+            Company="Google" 
+            Price="25000" />
+    </Window.Resources>
+    <Grid Background="Black">
+        <Grid.RowDefinitions>
+            <RowDefinition />
+            <RowDefinition />
+        </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition />
+            <ColumnDefinition />
+        </Grid.ColumnDefinitions>
+        <TextBlock 
+            Text="Модель:" 
+            Foreground="White"/>
+        <TextBlock 
+            x:Name="titleTextBlock" 
+            Text="{Binding 
+                Source={StaticResource nexusPhone}, 
+                Path=Title}"
+            Foreground="White" 
+            Grid.Column="1"/>
+        <TextBlock 
+            Text="Цена:" 
+            Foreground="White" 
+            Grid.Row="1"/>
+        <TextBlock 
+            x:Name="priceTextBlock" 
+            Text="{Binding 
+                Source={StaticResource nexusPhone}, 
+                Path=Price}"
+            Foreground="White" 
+            Grid.Column="1" 
+            Grid.Row="1"/>
+    </Grid>
 </Window>
 ```
-![](./img/boo.png)
-## Специальные символы
+![](./img/Снимок%20экрана%202024-04-23%20013928.png)
+## Свойство TargetNullValue
+```
+<Window.Resources>
+    <local:Phone 
+        x:Key="nexusPhone" 
+        Company="Google" 
+        Price="25000" />
+</Window.Resources>
+<StackPanel>
+    <TextBlock 
+        x:Name="titleTextBlock"
+        Text="{Binding 
+            Source={StaticResource nexusPhone}, 
+            Path=Title, 
+            TargetNullValue=Текст по умолчанию}" />
+</StackPanel>
 ```
-<Button 
-    Content="&lt;&quot;Hello&quot;&gt;" 
-/>
+![](./img/Снимок%20экрана%202024-04-23%20013928.png)
+## Свойство RelativeSource
+```
+<TextBox Text="{Binding 
+    RelativeSource={RelativeSource Mode=Self}, 
+    Path=Background, 
+    Mode=TwoWay, 
+    UpdateSourceTrigger=PropertyChanged}" />
+```
+![](./img/Снимок%20экрана%202024-04-23%20014452.png)
+```
+<Grid Background="Black">
+    <TextBlock 
+        Foreground="White"
+        Text="{Binding 
+            RelativeSource={RelativeSource 
+                Mode=FindAncestor,
+                AncestorType={x:Type Grid}}, 
+            Path=Background}" />
+</Grid>
 ```
-![](./img/bb.png)
+![](./img/Снимок%20экрана%202024-04-23%20014616.png)
+## Свойство DataContext
 ```
 <Window 
-    xmlns="https://github.com/avaloniaui"
+    x:Class="BindingApp.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"
-    mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-    x:Class="AvaloniaApplication1.MainWindow"
-    Title="AvaloniaApplication1">
-    <Button
-        xml:space="preserve"> Hello          World
-</Button>
+    xmlns:local="clr-namespace:BindingApp"
+    mc:Ignorable="d"
+    Title="MainWindow" 
+    Height="150" 
+    Width="300">
+    <Window.Resources>
+        <local:Phone 
+            x:Key="nexusPhone" 
+            Title="Nexus X5" 
+            Company="Google" 
+            Price="25000" />
+    </Window.Resources>
+    <Grid 
+        Background="Black" 
+        DataContext="{StaticResource nexusPhone}" 
+        TextBlock.Foreground="White">
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition />
+            <ColumnDefinition />
+            <ColumnDefinition />
+        </Grid.ColumnDefinitions>
+        <Grid.RowDefinitions>
+            <RowDefinition />
+            <RowDefinition />
+        </Grid.RowDefinitions>
+        <TextBlock 
+            Text="Модель" />
+        <TextBlock 
+            Text="{Binding Title}" 
+            Grid.Row="1" />
+        <TextBlock 
+            Text="Производитель" 
+            Grid.Column="1"/>
+        <TextBlock 
+            Text="{Binding Company}" 
+            Grid.Column="1" 
+            Grid.Row="1" />
+        <TextBlock 
+            Text="Цена" 
+            Grid.Column="2" />
+        <TextBlock 
+            Text="{Binding Price}" 
+            Grid.Column="2" 
+            Grid.Row="1" />
+    </Grid>
 </Window>
 ```
-![](./img/hello.png)
-## Взаимодействие кода C# и XAML
+![](./img/Снимок%20экрана%202024-04-23%20013928.png)
+## Интерфейс INotifyPropertyChanged.
 ```
-<Window xmlns="https://github.com/avaloniaui"
-        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:AvaloniaApplication1"
-        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-        x:Class="AvaloniaApplication1.MainWindow"
-        Title="AvaloniaApplication1">
-    <Grid>
-        <TextBox 
-            x:Name="textBox1" 
-            Width="150" 
-            Height="30" 
-            VerticalAlignment="Top" 
-            Margin="20" />
+<Window 
+    x:Class="BindingApp.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:BindingApp"
+    mc:Ignorable="d"
+    Title="MainWindow" 
+    Height="150" 
+    Width="300"
+>
+    <Window.Resources>
+        <local:Phone 
+            x:Key="nexusPhone" 
+            Title="Nexus X5" 
+            Company="Google" 
+            Price="25000" />
+    </Window.Resources>
+    <Grid 
+        Background="Black" 
+        DataContext="{StaticResource nexusPhone}" 
+        TextBlock.Foreground="White">
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition />
+            <ColumnDefinition />
+            <ColumnDefinition />
+        </Grid.ColumnDefinitions>
+        <Grid.RowDefinitions>
+            <RowDefinition />
+            <RowDefinition />
+            <RowDefinition />
+        </Grid.RowDefinitions>
+        <TextBlock 
+            Text="Модель" />
+        <TextBlock 
+            Text="{Binding Title}" 
+            Grid.Row="1" />
+        <TextBlock 
+            Text="Производитель" 
+            Grid.Column="1"/>
+        <TextBlock 
+            Text="{Binding Company}" 
+            Grid.Column="1" 
+            Grid.Row="1" />
+        <TextBlock 
+            Text="Цена" 
+            Grid.Column="2" />
+        <TextBlock 
+            Text="{Binding Price}" 
+            Grid.Column="2" 
+            Grid.Row="1" />
+ 
         <Button 
-            x:Name="button1"  
-            Width="100" 
-            Height="30" 
-            Content="Кнопка" 
-            Click="Button_Click" />
+            Foreground="White" 
+            Content="Изменить" 
+            Click="Button_Click" 
+            Background="Black"
+            BorderBrush="Silver" 
+            Grid.Column="2" 
+            Grid.Row="2" />
     </Grid>
 </Window>
 ```
 ```
-using Avalonia.Controls; 
-using Avalonia.Interactivity;
-
-namespace AvaloniaApplication1;
-
-public partial class MainWindow : Window
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+ 
+class Phone : INotifyPropertyChanged
 {
-    public MainWindow()
+    private string title;
+    private string company;
+    private int price;
+ 
+    public string Title
     {
-        InitializeComponent();
-    }
-
-    private void Button_Click(
-        object? sender, 
-        RoutedEventArgs e)
-    {
-        string text = textBox1.Text;
-        if (text != "")
+        get { return title; }
+        set
         {
-           var messageWindow = new Window()
-        {
-            Title = "Message",
-            Content = new TextBlock() { Text = text }
-        };
-        messageWindow.ShowDialog(this);
+            title = value;
+            OnPropertyChanged("Title");
         }
     }
-}
-```
-![](./img/o.png)
-## Пространства имен из C# в XAML
-```
-using Avalonia.Controls;
-using Avalonia.Interactivity;
-using Avalonia.Markup.Xaml;
-using AvaloniaApplication1;
-
-namespace AvaloniaApplication1
-{
-    public partial class MainWindow : Window
+    public string Company
     {
-        public MainWindow()
+        get { return company; }
+        set
         {
-            InitializeComponent();
+            company = value;
+            OnPropertyChanged("Company");
         }
-
-        private void InitializeComponent()
-        {
-            AvaloniaXamlLoader.Load(this);
-            Button phoneButton = this.FindControl<Button>("phoneButton");
-            phoneButton.Click += PhoneButton_Click;
-        }
-
-        private void PhoneButton_Click(object sender, RoutedEventArgs e)
+    }
+    public int Price
+    {
+        get { return price; }
+        set
         {
-            string text = "Смартфон Lumia 950; цена: 700";
-            
-            var messageWindow = new Window()
-            {
-                Title = "Message",
-                Content = new TextBlock() { Text = text }
-            };
-            messageWindow.ShowDialog(this);
+            price = value;
+            OnPropertyChanged("Price");
         }
     }
+ 
+    public event PropertyChangedEventHandler PropertyChanged;
+    public void OnPropertyChanged([CallerMemberName]string prop = "")
+    {
+        if (PropertyChanged != null)
+            PropertyChanged(this, new PropertyChangedEventArgs(prop));
+    }
 }
 ```
+![](./img/Снимок%20экрана%202024-04-23%20032736.png)
+## Форматирование значений привязки и конвертеры значений
 ```
-<Window xmlns="https://github.com/avaloniaui"
-        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:AvaloniaApplication1;assembly=AvaloniaApplication1"
-        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-        x:Class="AvaloniaApplication1.MainWindow"
-        Title="AvaloniaApplication1">
-    <Button x:Name = "phoneButton" Width="250" Height="40">
-        <StackPanel Orientation="Horizontal">
-            <TextBlock Text="Lumia 950" Margin="5"/>
-            <TextBlock Text="$700" Margin="5"/>
-        </StackPanel>
-    </Button>
-</Window>
+class Phone
+{
+    public string Title { get; set; }
+    public string Company { get; set; }
+    public int Price { get; set; }
+}
 ```
-![](./img/rr.png)
-## Компоновка
 ```
-<Window xmlns="https://github.com/avaloniaui"
-        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"
-        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-        x:Class="AvaloniaApplication1.MainWindow"
-        Title="AvaloniaApplication1">
-        <Grid ShowGridLines="True">
-                <Grid.RowDefinitions>
-                        <RowDefinition />
-                        <RowDefinition />
-                        <RowDefinition />
-                </Grid.RowDefinitions>
-                <Grid.ColumnDefinitions>
-                        <ColumnDefinition />
-                        <ColumnDefinition />
-                        <ColumnDefinition />
-                </Grid.ColumnDefinitions>
-        </Grid>
+<Window 
+    x:Class="ValueConventerApp.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:ValueConventerApp"
+    mc:Ignorable="d"
+    Title="MainWindow" 
+    Height="150" 
+    Width="300"
+>
+    <Window.Resources>
+        <local:Phone 
+            x:Key="nexusPhone" 
+            Title="Nexus X5" 
+            Company="Google" 
+            Price="25000" />
+    </Window.Resources>
+    <Grid>
+        <TextBlock 
+            Text="{Binding 
+                StringFormat=Итоговая цена {0} рублей, 
+                Source={StaticResource nexusPhone}, 
+                Path=Price}" />
+    </Grid>
 </Window>
 ```
-![](./img/yyy.png)
-```
-<Grid ShowGridLines="True">
-    <Grid.RowDefinitions>
-        <RowDefinition />
-        <RowDefinition />
-        <RowDefinition />
-    </Grid.RowDefinitions>
-    <Grid.ColumnDefinitions>
-        <ColumnDefinition />
-        <ColumnDefinition />
-        <ColumnDefinition />
-    </Grid.ColumnDefinitions>
-    <Button 
-        Content="Строка 0 Столбец 0"  />
-    <Button 
-        Grid.Column="0" 
-        Grid.Row="1" 
-        Content="Объединение трех столбцов" 
-        Grid.ColumnSpan="3"  />
-    <Button 
-        Grid.Column="2" 
-        Grid.Row="2" 
-        Content="Строка 2 Столбец 2"  />
-</Grid>
-```
-![](./img/bu.png)
-### Установка размеров
-```<Grid ShowGridLines="True">
-                <Grid.RowDefinitions>
-                        <RowDefinition />
-                        <RowDefinition />
-                        <RowDefinition />
-                </Grid.RowDefinitions>
-                <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="*" />
-                        <ColumnDefinition Width="0.5*" />
-                        <ColumnDefinition Width="1.5*" />
-                </Grid.ColumnDefinitions>
-                <Button 
-                        Content="Строка 0 Столбец 0"  />
-                <Button 
-                        Grid.Column="0" 
-                        Grid.Row="1" 
-                        Content="Объединение трех столбцов" 
-                        Grid.ColumnSpan="3"  />
-                <Button 
-                        Grid.Column="2" 
-                        Grid.Row="2" 
-                        Content="Строка 2 Столбец 2"  />
-        
-        </Grid>
-```
-![](./img/by.png)
-### GridSplitter
-```
-<Grid>
-    <Grid.ColumnDefinitions>
-        <ColumnDefinition Width="*" />
-        <ColumnDefinition Width="Auto" />
-        <ColumnDefinition Width="*" />
-    </Grid.ColumnDefinitions>
-    <Button 
-        Grid.Column="0" 
-        Content="Левая кнопка" />
-    <GridSplitter
-        Grid.Column="1" 
-        Width="3" />
-    <Button 
-        Grid.Column="2" 
-        Content="Правая кнопка" />
-</Grid>
-```
-![](./img/ыыы.png)
-### StackPanel
+![](./img/Снимок%20экрана%202024-04-23%20033322.png)
+## Конвертеры значений
 ```
-<Grid>
-    <StackPanel>
-        <Button 
-            Background="Blue" 
-            Content="1" />
-        <Button 
-            Background="White" 
-            Content="2" />
-        <Button 
-            Background="Red" 
-            Content="3" />
-    </StackPanel>
-</Grid>
+public class DateTimeToDateConverter : IValueConverter
+{
+    public object Convert(
+        object value, 
+        Type targetType, 
+        object parameter, 
+        CultureInfo culture)
+    {
+        if(parameter!=null && parameter.ToString()=="EN")
+            return ((DateTime)value).ToString("MM-dd-yyyy");
+         
+        return ((DateTime)value).ToString("dd.MM.yyyy");
+    }
+         
+    public object ConvertBack(
+        object value, 
+        Type targetType, 
+        object parameter, 
+        CultureInfo culture)
+    {
+        return DependencyProperty.UnsetValue;
+    }
+}
 ```
-![](./img/ыаыаыа.png)
 ```
-<StackPanel Orientation="Horizontal">
-    <Button 
-        Background="Blue" 
-        MinWidth="30" 
-        Content="1" />
-    <Button 
-        Background="White" 
-        MinWidth="30" 
-        Content="2" />
-    <Button 
-        Background="Red" 
-        MinWidth="30" 
-        Content="3" />
+<StackPanel>
+    <TextBlock 
+        Text="{Binding 
+            Source={StaticResource myDate},
+            Converter={StaticResource myDateConverter}}" />
+    <TextBlock 
+        Text="{Binding 
+            Source={StaticResource myDate}, 
+            ConverterParameter=EN, 
+            Converter={StaticResource myDateConverter}}" />
+    <TextBlock 
+        Text="{Binding 
+            Source={StaticResource myDate}}" />
 </StackPanel>
 ```
-![](./img/иии.png)
-### WrapPanel
-```
-<WrapPanel>
-    <Button 
-        Background="AliceBlue" 
-        Content="Кнопка 1" />
-    <Button 
-        Background="Blue" 
-        Content="Кнопка 2" />
-    <Button 
-        Background="Aquamarine" 
-        Content="Кнопка 3" 
-        Height="30"/>
-    <Button 
-        Background="DarkGreen" 
-        Content="Кнопка 4" 
-        Height="20"/>
-    <Button 
-        Background="LightGreen" 
-        Content="Кнопка 5"/>
-    <Button 
-        Background="RosyBrown" 
-        Content="Кнопка 6" 
-        Width="80" />
-    <Button 
-        Background="GhostWhite" 
-        Content="Кнопка 7" />
-</WrapPanel>
-```
-![](./img/ййй.png)
-### Вертикальный WrapPanel
-```
-<WrapPanel Orientation="Vertical">
-    <Button 
-        Background="AliceBlue" 
-        Content="Кнопка 1" 
-        Height="50" />
-    <Button 
-        Background="Blue" 
-        Content="Кнопка 2" />
-    <Button 
-        Background="Aquamarine" 
-        Content="Кнопка 3" 
-        Width="60"/>
-    <Button 
-        Background="DarkGreen" 
-        Content="Кнопка 4" 
-        Width="80"/>
-    <Button 
-        Background="LightGreen" 
-        Content="Кнопка 5"/>
-    <Button 
-        Background="RosyBrown" 
-        Content="Кнопка 6" 
-        Height="80" />
-    <Button 
-        Background="GhostWhite" 
-        Content="Кнопка 7" />
-    <Button 
-        Background="Bisque" 
-        Content="Кнопка 8" />
-</WrapPanel>
-```
-![](./img/www.png)
-### установить определенную ширину для всех вложенных элементов
-```
-<WrapPanel 
-    ItemHeight="30" 
-    ItemWidth="80" 
-    Orientation="Horizontal"
->
-    <Button 
-        Background="AliceBlue" 
-        Content="1" />
-    <Button 
-        Background="Blue" 
-        Content="2" />
-    <Button 
-        Background="Aquamarine" 
-        Content="3"/>
-    <Button 
-        Background="DarkGreen" 
-        Content="4"/>
-    <Button 
-        Background="LightGreen" 
-        Content="5"/>
-    <Button 
-        Background="AliceBlue" 
-        Content="6"  />
-    <Button 
-        Background="Blue" 
-        Content="7" />
-</WrapPanel>
-```
-![](./img/zzz.png)
-## Image. Ресурсы
-```
-<Grid ShowGridLines="True">
-                <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="100"/>
-                        <ColumnDefinition/>
-                </Grid.ColumnDefinitions>
-                <StackPanel 
-                        Orientation="Vertical"
-                        VerticalAlignment="Bottom" 
-                >
-                        <Image 
-                                Source="avares://AvaloniaApplication1/images/aa.jpg"/>
-                </StackPanel>
-        </Grid>
-```
-![](./img/vhot.png)
+![](./img/Снимок%20экрана%202024-04-23%20031122.png)