WPF頁面切換及彈窗

結構如圖：

效果如圖：

代碼如下：

xaml

<Window x:Class="PageChange.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="400">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="100"></ColumnDefinition>
            <ColumnDefinition Width="300"></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <StackPanel Orientation="Vertical" Grid.Column="0">
            <Button Content="第一頁" Name="tb1" Click="tb1_Click"></Button>
            <Button Content="第二頁" Name="tb2" Click="tb2_Click"></Button>
            <Button Content="第三頁" Name="tb3" Click="tb3_Click"></Button>
            <Button Content="彈窗" Name="tb4" Click="tb4_Click"></Button>
        </StackPanel>
        <Grid Grid.Column="1" Name="MyGrid" Height="300" Width="300"></Grid>
       
    </Grid>
</Window>

后置代碼

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace PageChange
{
    /// <summary>
    /// MainWindow.xaml 的交互邏輯
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void tb1_Click(object sender, RoutedEventArgs e)
        {
            MyGrid.Children.Add(new Page1());
        }

        private void tb2_Click(object sender, RoutedEventArgs e)
        {
            MyGrid.Children.Add(new Page2());
        }

        private void tb3_Click(object sender, RoutedEventArgs e)
        {
            MyGrid.Children.Add(new Page3());
        }

        private void tb4_Click(object sender, RoutedEventArgs e)
        {
            Window w = new Window();
            NewPage n = new NewPage();
            w.Content = n;
            w.ShowDialog();
        }
    }
}