封装了一个选择年月的控件，XAML代码：

后台代码：

using System;using System.Collections.Generic;using System.Linq;using System.Text;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;using System.ComponentModel;namespace SunCreate.CombatPlatform.Client{    /// 
    ///     /// 
    public partial class DateMonthPicker : UserControl, INotifyPropertyChanged    {        private DateTime _selectedMonth;        public static DependencyProperty selectedTimeProperty;        static DateMonthPicker()        {            selectedTimeProperty = DependencyProperty.Register("SelectedMonth", typeof(DateTime), typeof(DateMonthPicker), new PropertyMetadata(DateTime.Now, new PropertyChangedCallback(SelectedMonthChanged)));        }        public DateMonthPicker()        {            InitializeComponent();            int currentYear = DateTime.Now.Year;            int currentMonth = DateTime.Now.Month;            List

效果图：