WPF-Base/WPF基础-1/MainWindow.xaml

<Window x:Class="WPF基础_1.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"
        Icon="public/images/1.png" Title="我的xxx" Height="450" Width="800"> <!-- 设置图标 Icon 设置标题 Title -->
    <Grid Name="Grid">
        <!-- 设置整个背景色 -->
        <Grid.Background>
            <LinearGradientBrush>
                <!-- 启用线性渐变 -->
                <LinearGradientBrush.GradientStops>
                    <!-- Offset 偏移量每个颜色分布位置 -->
                    <GradientStop Offset="0.00" Color="Red" />
                    <GradientStop Offset="0.50" Color="Indigo" />
                    <GradientStop Offset="1.00" Color="Violet" />
                </LinearGradientBrush.GradientStops>
            </LinearGradientBrush>
        </Grid.Background>

        <!-- 定义行数，也有 Grid.ColumnDefinitions -->
        <Grid.RowDefinitions>
            <RowDefinition Height="*" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>

        <TextBox VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Margin="10,10,13,10" TextWrapping="Wrap"
                 Grid.Row="0" Name="TextQuestion" FontFamily="Verdana" FontSize="24" Foreground="Green">
            有什么问题吗
        </TextBox>

        <Button VerticalAlignment="Top" Name="CmdAnswer" HorizontalAlignment="Left" Margin="10,0" Width="127"
                Height="23" Grid.Row="1">
            <Button.Foreground>
                <x:Static Member="SystemColors.GradientActiveCaptionBrush" />
            </Button.Foreground>
            <!-- <Rectangle Fill="Blue" Height="10" Width="100" /> -->
            &lt; &quot; 你想问什么 &quot; &gt;
        </Button>

        <TextBox Grid.Row="2" Name="TextAnswer" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"
                 Margin="10,10,13,10" FontSize="24" Foreground="Green">
            回答就在这，关于xaml受到一些影响，[&lt;] [&gt;]  " "
        </TextBox>
    </Grid>
</Window>