C#windows编程：XAML

XAML是可扩展应用程序标记语言（Extensible Application Markup Language）,是一门使用XML语法的语言，允许一层次化的声明方式将控件添加到用户界面。创建一个WPF应用程序，可以直接编写XAML文件，也可以在Design直接拖控件到窗口上。

示例代码如下：

XAML试图：

<Window x:Class="NameWindow.MainWindow" //x:Class C#代码隐藏文件 Window元素是XAML文件的根元素
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" //WPF的默认名称空间声明可用到的控件
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" //声明XAML语言本身
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:NameWindow" //本地明明空间
mc:Ignorable="d"
//（窗口属性可以直接编写XAML文件，也可以在属性窗口中设置）
// 窗口标题高度宽度按键事件
Title="MainWindow" Height="350" Width="525" KeyDown="Window_KeyDown" PreviewKeyDown="Window_PreviewKeyDown">
//（Grid属性） Grid控件，按键事件
<Grid KeyDown="Grid_KeyDown" PreviewKeyDown="Grid_PreviewKeyDown">
<Grid.RowDefinitions> //划分Grid为2行
<RowDefinition Height="109*"/>
<RowDefinition Height="210*"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions> //划分Grid为2列
<ColumnDefinition Width="191*"/>
<ColumnDefinition Width="326*"/>
</Grid.ColumnDefinitions>
//（Button属性）Button 按钮控件 button名字在窗口中显示的内容布局方式 button的大小
<Button x:Name="button" Content="Button" HorizontalAlignment="Left" Margin="27,4,0,0" VerticalAlignment="Top" Width="75" Grid.Column="0" Grid.Row="0"/>
<Button x:Name="rotatedButton" Content="2nd Button" Width="75" Height="22" FontWeight="Bold"
//Button的事件方法
RenderTransformOrigin="0.5,0.5" KeyDown="rotatedButton_KeyDown" PreviewKeyDown="rotatedButton_PreviewKeyDown" Grid.Column="1" Grid.Row="1" >
<Button.RenderTransform> //Button的旋转角度，缩放
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform Angle="-23.896"/>
<TranslateTransform/>
</TransformGroup>
</Button.RenderTransform>
</Button>
//窗口中的分割线
<GridSplitter Grid.RowSpan="2" Width="3" BorderThickness="2" BorderBrush="Black" />
</Grid>
</Window>

代码隐藏文件

namespace NameWindow
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent(); //初始化窗口
}
//Grid的按键事件方法
private void Grid_KeyDown(object sender, KeyEventArgs e)
{
MessageBox.Show("Grid handler, bubbling up");
}
private void Grid_PreviewKeyDown(object sender, KeyEventArgs e)
{
MessageBox.Show("Grid handler, tunneling down");
e.Handled = true;
}
//Button的按钮事件
private void rotatedButton_KeyDown(object sender, KeyEventArgs e)
{
MessageBox.Show("rotatedButton handler, bubbling up");
}
private void rotatedButton_PreviewKeyDown(object sender, KeyEventArgs e)
{
MessageBox.Show("rotatedButton handler, tunneling down");
}
//窗口按键事件
private void Window_KeyDown(object sender, KeyEventArgs e)
{
MessageBox.Show("Window handler, bubbling up");
}
private void Window_PreviewKeyDown(object sender, KeyEventArgs e)
{
MessageBox.Show("Window handler, tunneling down");
}
}
}

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