在WPF中单击按钮时显示用户控件(WPF)视图页

<!-- 主界面 -->
<Window x:Class="MyApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:MyApp"
        Title="My App" Height="450" Width="800">
    <Grid>
        <Button Content="显示用户控件" Click="Button_Click"/>
        <ContentControl x:Name="contentContainer"/>
    </Grid>
</Window>

// 主界面代码-behind
using System.Windows;

namespace MyApp
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            // 创建用户控件实例
            MyUserControl userControl = new MyUserControl();

            // 将用户控件添加到内容容器中
            contentContainer.Content = userControl;
        }
    }
}