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@@ -1,418 +1,521 @@
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-# Привязка (Binding). Интерфейс INotifyPropertyChanged. Форматирование значений привязки и конвертеры значений.
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-## Введение в привязку данных
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+# Элементы управления
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+## Обзор элементов управления и их свойств
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+### Visibility
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```
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-<Window
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- x:Class="BindingApp.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:d="http://schemas.microsoft.com/expression/blend/2008"
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- xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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- xmlns:local="clr-namespace:BindingApp"
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- mc:Ignorable="d"
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- Title="MainWindow"
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- Height="250"
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- Width="300"
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->
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- <StackPanel>
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- <TextBox
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- x:Name="myTextBox"
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- Height="30" />
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- <TextBlock
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- x:Name="myTextBlock"
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- Text="{Binding
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- ElementName=myTextBox,
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- Path=Text}"
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- Height="30" />
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+<Grid>
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+ <Grid.ColumnDefinitions>
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+ <ColumnDefinition Width="*" />
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+ <ColumnDefinition Width="*" />
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+ </Grid.ColumnDefinitions>
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+ <StackPanel
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+ Grid.Column="0"
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+ Background="Lavender">
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+ <Button
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+ Visibility="Collapsed"
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+ Content="Панель Collapsed" />
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+ <Button
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+ Height="20"
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+ Content="Visible Button" />
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</StackPanel>
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-</Window>
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+ <StackPanel
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+ Grid.Column="1"
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+ Background="LightGreen">
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+ <Button
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+ Visibility="Hidden"
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+ Content="Панель Hidden" />
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+ <Button
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+ Height="20"
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+ Content="Visible Button" />
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+ </StackPanel>
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+</Grid>
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```
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-![](./img/Снимок%20экрана%202024-04-23%20010935.png)
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-## Работа с привязкой в C#
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+![](./img/Снимок%20экрана%202024-04-23%20035522.png)
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+### Свойства настройки шрифтов
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```
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-public MainWindow()
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-{
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- InitializeComponent();
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-
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- Binding binding = new Binding();
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-
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- // элемент-источник
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- binding.ElementName = "myTextBox";
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-
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- // свойство элемента-источника
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- binding.Path = new PropertyPath("Text");
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-
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- // установка привязки для элемента-приемника
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- myTextBlock.SetBinding(TextBlock.TextProperty, binding);
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-}
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+<Button
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+ Content="Hello World!"
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+ FontFamily="Verdana"
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+ FontSize="13"
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+ FontStretch="Expanded" />
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```
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-![](./img/Снимок%20экрана%202024-04-23%20012626.png)
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-## Режимы привязки
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+![](./img/Снимок%20экрана%202024-04-23%20040241.png)
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+### FlowDirection
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```
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<StackPanel>
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- <TextBox
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- x:Name="textBox1"
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- Height="30" />
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- <TextBox
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- x:Name="textBox2"
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- Height="30"
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- Text="{Binding
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- ElementName=textBox1,
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- Path=Text,
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- Mode=TwoWay}" />
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+ <TextBlock FlowDirection="RightToLeft">
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+ RightToLeft
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+ </TextBlock>
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+ <TextBlock FlowDirection="LeftToRight">
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+ LeftToRight
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+ </TextBlock>
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</StackPanel>
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```
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-![](./img/Снимок%20экрана%202024-04-23%20011715.png)
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-## Свойство Source
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+![](./img/Снимок%20экрана%202024-04-23%20040054.png)
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+### Цвета фона и шрифта
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```
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-class Phone
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-{
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- public string Title { get; set; }
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- public string Company { get; set; }
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- public int Price { get; set; }
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-}
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+<Button
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+ Width="60"
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+ Height="30"
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+ Background="LightGray"
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+ Foreground="DarkRed"
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+ Content="Цвет" />
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```
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+![](./img/Снимок%20экрана%202024-04-23%20040406.png)
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+## Элементы управления содержимым
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```
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<Window
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- x:Class="BindingApp.MainWindow"
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+ x:Class="ControlsApp.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:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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- xmlns:local="clr-namespace:BindingApp"
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+ xmlns:local="clr-namespace:ControlsApp"
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mc:Ignorable="d"
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- Title="MainWindow"
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- Height="150"
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+ Title="Элементы управления"
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+ Height="250"
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Width="300"
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>
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- <Window.Resources>
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- <local:Phone
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- x:Key="nexusPhone"
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- Title="Nexus X5"
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- Company="Google"
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- Price="25000" />
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- </Window.Resources>
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- <Grid Background="Black">
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- <Grid.RowDefinitions>
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- <RowDefinition />
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- <RowDefinition />
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- </Grid.RowDefinitions>
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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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- <TextBlock
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- Text="Модель:"
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- Foreground="White"/>
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- <TextBlock
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- x:Name="titleTextBlock"
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- Text="{Binding
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- Source={StaticResource nexusPhone},
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- Path=Title}"
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- Foreground="White"
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- Grid.Column="1"/>
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- <TextBlock
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- Text="Цена:"
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- Foreground="White"
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- Grid.Row="1"/>
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- <TextBlock
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- x:Name="priceTextBlock"
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- Text="{Binding
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- Source={StaticResource nexusPhone},
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- Path=Price}"
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- Foreground="White"
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- Grid.Column="1"
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- Grid.Row="1"/>
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- </Grid>
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+ <StackPanel>
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+ <Button
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+ x:Name="button1" />
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+ </StackPanel>
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</Window>
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```
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-![](./img/Снимок%20экрана%202024-04-23%20013928.png)
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-## Свойство TargetNullValue
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```
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-<Window.Resources>
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- <local:Phone
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- x:Key="nexusPhone"
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- Company="Google"
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- Price="25000" />
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-</Window.Resources>
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+using System;
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+using System.Windows;
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+
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+namespace ControlsApp
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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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+ double d = 5.6;
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+ button1.Content = d;
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+ }
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+ }
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+}
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+```
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+![](./img/Снимок%20экрана%202024-04-23%20041022.png)
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+## Позиционирование контента
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+```
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<StackPanel>
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- <TextBlock
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- x:Name="titleTextBlock"
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- Text="{Binding
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- Source={StaticResource nexusPhone},
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- Path=Title,
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- TargetNullValue=Текст по умолчанию}" />
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+ <Button
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+ Margin="5"
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+ HorizontalContentAlignment="Left"
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+ Content="Left"
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+ Height="90"
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+ Width="500" />
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+ <Button
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+ Margin="5"
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+ HorizontalContentAlignment="Right"
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+ Content="Right"
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+ Height="90"
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+ Width="500" />
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+ <Button
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+ Margin="5"
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+ HorizontalContentAlignment="Center"
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+ Content="Center"
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+ Height="90"
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+ Width="500" />
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</StackPanel>
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```
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-![](./img/Снимок%20экрана%202024-04-23%20013928.png)
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-## Свойство RelativeSource
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-```
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-<TextBox Text="{Binding
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- RelativeSource={RelativeSource Mode=Self},
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- Path=Background,
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- Mode=TwoWay,
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- UpdateSourceTrigger=PropertyChanged}" />
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-```
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-![](./img/Снимок%20экрана%202024-04-23%20014452.png)
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-```
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-<Grid Background="Black">
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- <TextBlock
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- Foreground="White"
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- Text="{Binding
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- RelativeSource={RelativeSource
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- Mode=FindAncestor,
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- AncestorType={x:Type Grid}},
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- Path=Background}" />
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-</Grid>
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-```
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-![](./img/Снимок%20экрана%202024-04-23%20014616.png)
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-## Свойство DataContext
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+![](./img/Снимок%20экрана%202024-04-23%20041447.png)
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+### Padding
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```
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-<Window
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- x:Class="BindingApp.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:d="http://schemas.microsoft.com/expression/blend/2008"
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- xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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- xmlns:local="clr-namespace:BindingApp"
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- mc:Ignorable="d"
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- Title="MainWindow"
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- Height="150"
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- Width="300">
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- <Window.Resources>
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- <local:Phone
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- x:Key="nexusPhone"
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- Title="Nexus X5"
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- Company="Google"
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- Price="25000" />
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- </Window.Resources>
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- <Grid
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- Background="Black"
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- DataContext="{StaticResource nexusPhone}"
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- TextBlock.Foreground="White">
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- <Grid.ColumnDefinitions>
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- <ColumnDefinition />
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- <ColumnDefinition />
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- <ColumnDefinition />
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- </Grid.ColumnDefinitions>
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- <Grid.RowDefinitions>
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- <RowDefinition />
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- <RowDefinition />
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- </Grid.RowDefinitions>
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- <TextBlock
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- Text="Модель" />
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- <TextBlock
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- Text="{Binding Title}"
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- Grid.Row="1" />
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- <TextBlock
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- Text="Производитель"
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- Grid.Column="1"/>
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- <TextBlock
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- Text="{Binding Company}"
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- Grid.Column="1"
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- Grid.Row="1" />
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- <TextBlock
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- Text="Цена"
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- Grid.Column="2" />
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- <TextBlock
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- Text="{Binding Price}"
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- Grid.Column="2"
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- Grid.Row="1" />
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- </Grid>
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-</Window>
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+<StackPanel>
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+ <Button
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+ x:Name="button1"
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+ Padding="50 30 0 40"
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+ HorizontalContentAlignment="Left">
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+ Hello World
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+ </Button>
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+ <Button
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+ x:Name="button2"
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+ Padding="60 20 0 30"
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+ HorizontalContentAlignment="Center">
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+ Hello World
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+ </Button>
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+</StackPanel>
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```
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-![](./img/Снимок%20экрана%202024-04-23%20013928.png)
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-## Интерфейс INotifyPropertyChanged.
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+![](./img/Снимок%20экрана%202024-04-23%20041630.png)
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+## Кнопки
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```
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<Window
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- x:Class="BindingApp.MainWindow"
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+ x:Class="ControlsApp.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:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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- xmlns:local="clr-namespace:BindingApp"
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+ xmlns:local="clr-namespace:ControlsApp"
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mc:Ignorable="d"
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- Title="MainWindow"
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- Height="150"
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+ Title="Элементы управления"
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+ Height="250"
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Width="300"
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>
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- <Window.Resources>
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- <local:Phone
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- x:Key="nexusPhone"
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- Title="Nexus X5"
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- Company="Google"
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- Price="25000" />
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- </Window.Resources>
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- <Grid
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- Background="Black"
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- DataContext="{StaticResource nexusPhone}"
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- TextBlock.Foreground="White">
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- <Grid.ColumnDefinitions>
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- <ColumnDefinition />
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- <ColumnDefinition />
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- <ColumnDefinition />
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- </Grid.ColumnDefinitions>
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- <Grid.RowDefinitions>
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- <RowDefinition />
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- <RowDefinition />
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- <RowDefinition />
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- </Grid.RowDefinitions>
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- <TextBlock
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- Text="Модель" />
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- <TextBlock
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- Text="{Binding Title}"
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- Grid.Row="1" />
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- <TextBlock
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- Text="Производитель"
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- Grid.Column="1"/>
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- <TextBlock
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- Text="{Binding Company}"
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- Grid.Column="1"
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- Grid.Row="1" />
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- <TextBlock
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- Text="Цена"
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- Grid.Column="2" />
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- <TextBlock
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- Text="{Binding Price}"
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- Grid.Column="2"
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- Grid.Row="1" />
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-
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+ <StackPanel>
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<Button
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- Foreground="White"
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- Content="Изменить"
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- Click="Button_Click"
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- Background="Black"
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- BorderBrush="Silver"
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- Grid.Column="2"
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- Grid.Row="2" />
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- </Grid>
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+ x:Name="acceptButton"
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+ Content="ОК"
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+ IsDefault="True"
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+ Click="acceptButton_Click" />
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+ <Button
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+ x:Name="escButton"
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+ Content="Выход"
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+ IsCancel="True"
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+ Click="escButton_Click" />
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+ </StackPanel>
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</Window>
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```
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```
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-using System.ComponentModel;
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-using System.Runtime.CompilerServices;
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+using System.Windows;
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-class Phone : INotifyPropertyChanged
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+namespace ControlsApp
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{
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- private string title;
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- private string company;
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- private int price;
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-
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- public string Title
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+ public partial class MainWindow : Window
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{
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- get { return title; }
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- set
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+ public MainWindow()
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{
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- title = value;
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- OnPropertyChanged("Title");
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+ InitializeComponent();
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}
|
|
|
- }
|
|
|
- public string Company
|
|
|
- {
|
|
|
- get { return company; }
|
|
|
- set
|
|
|
+
|
|
|
+ private void acceptButton_Click(object sender, RoutedEventArgs e)
|
|
|
{
|
|
|
- company = value;
|
|
|
- OnPropertyChanged("Company");
|
|
|
+ MessageBox.Show("Действие выполнено");
|
|
|
}
|
|
|
- }
|
|
|
- public int Price
|
|
|
- {
|
|
|
- get { return price; }
|
|
|
- set
|
|
|
+
|
|
|
+ private void escButton_Click(object sender, RoutedEventArgs e)
|
|
|
{
|
|
|
- price = value;
|
|
|
- OnPropertyChanged("Price");
|
|
|
+ this.Close(); // закрытие окна
|
|
|
}
|
|
|
}
|
|
|
+}
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20041942.png)
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20042016.png)
|
|
|
+### CheckBox
|
|
|
+```
|
|
|
+<StackPanel x:Name="stackPanel">
|
|
|
+ <CheckBox
|
|
|
+ x:Name="checkBox1"
|
|
|
+ IsThreeState="True"
|
|
|
+ IsChecked="False"
|
|
|
+ Height="20"
|
|
|
+ Content="Неотмечено" />
|
|
|
+ <CheckBox
|
|
|
+ x:Name="checkBox2"
|
|
|
+ IsThreeState="True"
|
|
|
+ IsChecked="True"
|
|
|
+ Height="20"
|
|
|
+ Content="Отмечено" />
|
|
|
+ <CheckBox
|
|
|
+ x:Name="checkBox3"
|
|
|
+ IsThreeState="True"
|
|
|
+ IsChecked="{x:Null}"
|
|
|
+ Height="20"
|
|
|
+ Content="Неопределено"/>
|
|
|
+</StackPanel>
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20042337.png)
|
|
|
+```
|
|
|
+<CheckBox
|
|
|
+ x:Name="checkBox"
|
|
|
+ IsChecked="False"
|
|
|
+ Height="20"
|
|
|
+ Content="Флажок"
|
|
|
+ IsThreeState="True"
|
|
|
+ Unchecked="checkBox_Unchecked"
|
|
|
+ Indeterminate="checkBox_Indeterminate"
|
|
|
+ Checked="checkBox_Checked" />
|
|
|
+```
|
|
|
+```
|
|
|
+private void checkBox_Checked(object sender, RoutedEventArgs e)
|
|
|
+{
|
|
|
+ MessageBox.Show(checkBox.Content.ToString() + " отмечен");
|
|
|
+}
|
|
|
|
|
|
- public event PropertyChangedEventHandler PropertyChanged;
|
|
|
- public void OnPropertyChanged([CallerMemberName]string prop = "")
|
|
|
- {
|
|
|
- if (PropertyChanged != null)
|
|
|
- PropertyChanged(this, new PropertyChangedEventArgs(prop));
|
|
|
- }
|
|
|
+private void checkBox_Unchecked(object sender, RoutedEventArgs e)
|
|
|
+{
|
|
|
+ MessageBox.Show(checkBox.Content.ToString() + " не отмечен");
|
|
|
}
|
|
|
+
|
|
|
+private void checkBox_Indeterminate(object sender, RoutedEventArgs e)
|
|
|
+{
|
|
|
+ MessageBox.Show(checkBox.Content.ToString() + " в неопределенном состоянии");
|
|
|
+}
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20042559.png)
|
|
|
+### RadioButton
|
|
|
```
|
|
|
-![](./img/Снимок%20экрана%202024-04-23%20032736.png)
|
|
|
-## Форматирование значений привязки и конвертеры значений
|
|
|
+<StackPanel x:Name="stackPanel">
|
|
|
+ <RadioButton
|
|
|
+ GroupName="Languages"
|
|
|
+ Content="C#"
|
|
|
+ IsChecked="True" />
|
|
|
+ <RadioButton
|
|
|
+ GroupName="Languages"
|
|
|
+ Content="VB.NET" />
|
|
|
+ <RadioButton
|
|
|
+ GroupName="Languages"
|
|
|
+ Content="C++" />
|
|
|
+ <RadioButton
|
|
|
+ GroupName="Technologies"
|
|
|
+ Content="WPF"
|
|
|
+ IsChecked="True" />
|
|
|
+ <RadioButton
|
|
|
+ GroupName="Technologies"
|
|
|
+ Content="WinForms" />
|
|
|
+ <RadioButton
|
|
|
+ GroupName="Technologies"
|
|
|
+ Content="ASP.NET" />
|
|
|
+</StackPanel>
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20042846.png)
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20042956.png)
|
|
|
+## Текстовые элементы управления
|
|
|
+### TextBox
|
|
|
+```
|
|
|
+<TextBox
|
|
|
+ MaxLength="250"
|
|
|
+ TextChanged="TextBox_TextChanged">
|
|
|
+ Начальный текст
|
|
|
+</TextBox>
|
|
|
```
|
|
|
-class Phone
|
|
|
+```
|
|
|
+private void TextBox_TextChanged(object sender, TextChangedEventArgs e)
|
|
|
{
|
|
|
- public string Title { get; set; }
|
|
|
- public string Company { get; set; }
|
|
|
- public int Price { get; set; }
|
|
|
+ TextBox textBox = (TextBox)sender;
|
|
|
+ MessageBox.Show(textBox.Text);
|
|
|
+}
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20043731.png)
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20043810.png)
|
|
|
+```
|
|
|
+<TextBox
|
|
|
+ AcceptsReturn="True"
|
|
|
+ Height="100"
|
|
|
+ VerticalScrollBarVisibility="Auto"
|
|
|
+ HorizontalScrollBarVisibility="Auto">
|
|
|
+ Начальный текст
|
|
|
+</TextBox>
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20044027.png)
|
|
|
+```
|
|
|
+<StackPanel>
|
|
|
+ <TextBox
|
|
|
+ x:Name="textBox1"
|
|
|
+ Height="100" SelectionBrush="Blue" />
|
|
|
+ <Button
|
|
|
+ Content="Выделить текст"
|
|
|
+ Height="30"
|
|
|
+ Width="100"
|
|
|
+ Click="Button_Click"
|
|
|
+ Margin="10" />
|
|
|
+</StackPanel>
|
|
|
+```
|
|
|
+```
|
|
|
+private void Button_Click(object sender, RoutedEventArgs e)
|
|
|
+{
|
|
|
+ textBox1.SelectionStart = 5;
|
|
|
+ textBox1.SelectionLength = 10;
|
|
|
+ textBox1.Focus();
|
|
|
+ // данное выражение эквивалентно
|
|
|
+ //textBox1.Select(5, 10);
|
|
|
}
|
|
|
```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20044757.png)
|
|
|
+### Проверка орфографии
|
|
|
+```
|
|
|
+<DockPanel>
|
|
|
+ <TextBox
|
|
|
+ SpellCheck.IsEnabled="True"
|
|
|
+ Language="ru-ru">
|
|
|
+ Привет, как дила?
|
|
|
+ </TextBox>
|
|
|
+</DockPanel>
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20055505.png)
|
|
|
+### PasswordBox
|
|
|
+```
|
|
|
+<StackPanel>
|
|
|
+ <PasswordBox
|
|
|
+ PasswordChar="*"
|
|
|
+ MinHeight="30" />
|
|
|
+ <PasswordBox
|
|
|
+ MinHeight="30" />
|
|
|
+</StackPanel>
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20045358.png)
|
|
|
+## Элементы управления списками
|
|
|
```
|
|
|
<Window
|
|
|
- x:Class="ValueConventerApp.MainWindow"
|
|
|
+ x:Class="ControlsApp.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"
|
|
|
+ xmlns:local="clr-namespace:ControlsApp"
|
|
|
+ xmlns:sys="clr-namespace:System;assembly=mscorlib"
|
|
|
mc:Ignorable="d"
|
|
|
- Title="MainWindow"
|
|
|
- Height="150"
|
|
|
+ Title="ListBox"
|
|
|
+ Height="200"
|
|
|
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}" />
|
|
|
+ <ListBox Name="list">
|
|
|
+ <sys:String>Lumia 950</sys:String>
|
|
|
+ <sys:String>iPhone 6S Plus</sys:String>
|
|
|
+ <sys:String>Xiaomi Mi5</sys:String>
|
|
|
+ <sys:String>Nexus 5X</sys:String>
|
|
|
+ </ListBox>
|
|
|
</Grid>
|
|
|
</Window>
|
|
|
```
|
|
|
-![](./img/Снимок%20экрана%202024-04-23%20033322.png)
|
|
|
-## Конвертеры значений
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20045645.png)
|
|
|
+### ComboBox
|
|
|
+```
|
|
|
+<ComboBox
|
|
|
+ Name="phonesList"
|
|
|
+ Height="30"
|
|
|
+ VerticalAlignment="Top">
|
|
|
+ <TextBlock>LG Nexus 5X</TextBlock>
|
|
|
+ <TextBlock>Huawai Nexus 6P</TextBlock>
|
|
|
+ <TextBlock>iPhone 6S</TextBlock>
|
|
|
+ <TextBlock>iPhone 6S Plus</TextBlock>
|
|
|
+ <TextBlock>Microsoft Lumia 950</TextBlock>
|
|
|
+</ComboBox>
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20050332.png)
|
|
|
+### ComboBoxItem
|
|
|
+```
|
|
|
+<ComboBox
|
|
|
+ Height="50"
|
|
|
+ Width="150"
|
|
|
+ VerticalAlignment="Top"
|
|
|
+>
|
|
|
+ <ComboBoxItem IsSelected="True">
|
|
|
+ <StackPanel Orientation="Horizontal">
|
|
|
+ <Image
|
|
|
+ Source="cats.jpg"
|
|
|
+ Width="60" />
|
|
|
+ <TextBlock>cats.jpg</TextBlock>
|
|
|
+ </StackPanel>
|
|
|
+ </ComboBoxItem>
|
|
|
+ <StackPanel Orientation="Horizontal">
|
|
|
+ <Image
|
|
|
+ Source="bear.jpg"
|
|
|
+ Width="60" />
|
|
|
+ <TextBlock>bear.jpg</TextBlock>
|
|
|
+ </StackPanel>
|
|
|
+ <StackPanel Orientation="Horizontal">
|
|
|
+ <Image
|
|
|
+ Source="panda.jpg"
|
|
|
+ Width="60" />
|
|
|
+ <TextBlock>panda.jpg</TextBlock>
|
|
|
+ </StackPanel>
|
|
|
+</ComboBox>
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20061047.png)
|
|
|
+## DataGrid
|
|
|
```
|
|
|
-public class DateTimeToDateConverter : IValueConverter
|
|
|
+public class Phone
|
|
|
{
|
|
|
- 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;
|
|
|
- }
|
|
|
+ public string Title { get; set; }
|
|
|
+ public string Company { get; set; }
|
|
|
+ public int Price { get; set; }
|
|
|
}
|
|
|
```
|
|
|
```
|
|
|
-<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>
|
|
|
+<DataGrid
|
|
|
+ x:Name="phonesGrid"
|
|
|
+ AutoGenerateColumns="False"
|
|
|
+ HorizontalGridLinesBrush="DarkGray"
|
|
|
+ RowBackground="LightGray"
|
|
|
+ AlternatingRowBackground="White">
|
|
|
+
|
|
|
+ <DataGrid.Items>
|
|
|
+ <local:Phone
|
|
|
+ Title="iPhone 6S"
|
|
|
+ Company="Apple"
|
|
|
+ Price="54990" />
|
|
|
+ <local:Phone
|
|
|
+ Title="Lumia 950"
|
|
|
+ Company="Microsoft"
|
|
|
+ Price="39990" />
|
|
|
+ <local:Phone
|
|
|
+ Title="Nexus 5X"
|
|
|
+ Company="Google"
|
|
|
+ Price="29990" />
|
|
|
+ </DataGrid.Items>
|
|
|
+ <DataGrid.Columns>
|
|
|
+ <DataGridTextColumn
|
|
|
+ Header="Модель"
|
|
|
+ Binding="{Binding Path=Title}"
|
|
|
+ Width="90" />
|
|
|
+ <DataGridHyperlinkColumn
|
|
|
+ Header="Компания"
|
|
|
+ Binding="{Binding Path=Company}"
|
|
|
+ Width="80" />
|
|
|
+ <DataGridTextColumn
|
|
|
+ Header="Цена"
|
|
|
+ Binding="{Binding Path=Price}"
|
|
|
+ Width="50" />
|
|
|
+ </DataGrid.Columns>
|
|
|
+
|
|
|
+ <DataGrid.RowDetailsTemplate>
|
|
|
+ <DataTemplate>
|
|
|
+ <StackPanel Orientation="Horizontal">
|
|
|
+ <TextBlock
|
|
|
+ Text="{Binding Path=Price}" />
|
|
|
+ <TextBlock
|
|
|
+ Text=" рублей по скидке" />
|
|
|
+ </StackPanel>
|
|
|
+ </DataTemplate>
|
|
|
+ </DataGrid.RowDetailsTemplate>
|
|
|
+
|
|
|
+</DataGrid>
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20053857.png)
|
|
|
+## Работа с изображениями. Image и InkCanvas
|
|
|
+### Элемент Image
|
|
|
+```
|
|
|
+ <Grid Background="Black">
|
|
|
+ <Grid.ColumnDefinitions>
|
|
|
+ <ColumnDefinition Width="2.5*" />
|
|
|
+ <ColumnDefinition Width="*" />
|
|
|
+ </Grid.ColumnDefinitions>
|
|
|
+ <Image Grid.Column="0" x:Name="mainImage">
|
|
|
+ <Image.Source>
|
|
|
+ <FormatConvertedBitmap Source="panda.jpg"
|
|
|
+ DestinationFormat="Gray32Float" />
|
|
|
+ </Image.Source>
|
|
|
+ </Image>
|
|
|
+ <StackPanel Grid.Column="1">
|
|
|
+ <Image Source="bear.jpg" />
|
|
|
+ <Image Source="panda.jpg" />
|
|
|
+ </StackPanel>
|
|
|
+ </Grid>
|
|
|
+```
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20070636.png)
|
|
|
+### InkCanvas
|
|
|
+```
|
|
|
+<InkCanvas>
|
|
|
+ <Image
|
|
|
+ Source="panda.jpg"
|
|
|
+ Width="300"
|
|
|
+ Height="250" />
|
|
|
+</InkCanvas>
|
|
|
```
|
|
|
-![](./img/Снимок%20экрана%202024-04-23%20031122.png)
|
|
|
+![](./img/Снимок%20экрана%202024-04-23%20061816.png)
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|