WPF 4.0 的日期时间选择器

一篇关于WPF 4.0日期时间选择器的文章，并附带案例代码。

xml

xml

csharp
private void DatePicker_ValueChanged(object sender, RoutedPropertyChangedEventArgs e)
{
    DateTime? selectedDate = datePicker.SelectedDate;
    if (selectedDate.HasValue)
    {
        // 执行你的逻辑代码
    }
}

xml

xml
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="DatePicker Example" Height="250" Width="350">
    
        
    

csharp
using System;
using System.Windows;
namespace DatePickerExample
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            datePicker.SelectedDateChanged += DatePicker_SelectedDateChanged;
        }
        private void DatePicker_SelectedDateChanged(object sender, RoutedEventArgs e)
        {
            DateTime? selectedDate = datePicker.SelectedDate;
            if (selectedDate.HasValue)
            {
                MessageBox.Show("Selected date: " + selectedDate.Value.ToShortDateString());
            }
        }
    }
}