c# - UWP - 复选框或按钮不可见

Question

使用

Jetbrains骑士

通用Windows平台_ _ _

问题

窗口可见，但按钮不可见。

问题

我该如何解决这个问题？

源代码

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

// The Blank Page item template is documented at https://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409

namespace UWP_TEST1
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>

    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
            
            StackPanel stackPanel1 = new StackPanel();
            CheckBox checkBox1 = new CheckBox();
            checkBox1.Content = "I agree to the terms of service.";
            
            stackPanel1.Children.Add(checkBox1);
            
        }
    }
}

Answer 1

您忘记将 StackPanel 添加stackPanel1到页面。将页面内容设置为stackPanel1将显示按钮。您可以通过添加Content=stackPanel构造函数来做到这一点。