Silverlight DateTimePicker 自定义的日期及时间选择控件

来源：互联网发布：崩坏3初始号淘宝编辑：程序博客网时间：2024/05/16 13:55

控件制作比较简单，就是将DatePicker和TimePicker再次进行了一次封装，先上图

界面代码：

cs代码：

using System;using System.Collections.Generic;using System.Linq;using System.Net;using System.Windows;using System.Windows.Controls;using System.Windows.Documents;using System.Windows.Input;using System.Windows.Media;using System.Windows.Media.Animation;using System.Windows.Shapes;/***************************** * 创建人：刘跃飞 * 创建时间：2010-11-17 * 功能描述：实现日期和时间的选择控件 * 使用方法：<my3:DateTimePicker DisplayData="{Binding Mode=TwoWay, Path=StartDate, NotifyOnValidationError=True}" Width="230" /> * ******************************/namespace ChuanyeOA.CustomControls{ public partial class DateTimePicker : UserControl { public DateTimePicker() { InitializeComponent(); } public static readonly DependencyProperty DisplayDataProperty = DependencyProperty.Register("DisplayData", typeof(DateTime), typeof(DateTimePicker), new PropertyMetadata(new PropertyChangedCallback(DisplayDataPropertyCallBack))); /// <summary> /// 显示的日期及时间 /// </summary> public DateTime DisplayData { get { return (DateTime)this.GetValue(DisplayDataProperty); } set { SetValue(DisplayDataProperty, value); } } public static void DisplayDataPropertyCallBack(object sender, DependencyPropertyChangedEventArgs args) { //属性设置的回调事件用于设置显示的值 DateTimePicker sel = sender as DateTimePicker; if (sel != null) { if (args.NewValue != null) { DateTime dt; if (DateTime.TryParse(args.NewValue.ToString(), out dt)) { //--设置显示的日期及时间 sel.SetDataTime(dt); } } } } /// <summary> /// 是否正在加载数据 /// </summary> bool isLoaded = false; private void SetDataTime(DateTime datatime) { isLoaded = false; dpMain.Text = datatime.ToString(); tpMain.Value = datatime; dpMain.SelectedDateChanged -= new EventHandler<SelectionChangedEventArgs>(dpMain_SelectedDateChanged); dpMain.SelectedDateChanged += new EventHandler<SelectionChangedEventArgs>(dpMain_SelectedDateChanged); tpMain.ValueChanged -= new RoutedPropertyChangedEventHandler<DateTime?>(tpMain_ValueChanged); tpMain.ValueChanged += new RoutedPropertyChangedEventHandler<DateTime?>(tpMain_ValueChanged); isLoaded = true; } /// <summary> /// 日期的更改事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void dpMain_SelectedDateChanged(object sender, SelectionChangedEventArgs e) { if (isLoaded == false) return; //--修改当前的日期 int hour = DisplayData.Hour; int minute = DisplayData.Minute; int second = DisplayData.Second; if (dpMain.SelectedDate != null) { //--如果时间部分为0则需要设置时间部分 if (dpMain.SelectedDate.Value.Hour == 0 && dpMain.SelectedDate.Value.Minute == 0) { DateTime datetime = dpMain.SelectedDate.Value.AddHours(hour).AddMinutes(minute).AddSeconds(second); DisplayData = datetime; } else DisplayData = dpMain.SelectedDate.Value; } } /// <summary> /// 时间的更改事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> void tpMain_ValueChanged(object sender, RoutedPropertyChangedEventArgs<DateTime?> e) { if (isLoaded == false) return; int year = DisplayData.Year; int month = DisplayData.Month; int day = DisplayData.Day; if (tpMain.Value != null) { string dt = year.ToString() + "/" + month.ToString() + "/" + day.ToString() + " " + tpMain.Value.Value.Hour.ToString() + ":" + tpMain.Value.Value.Minute.ToString() + ":" + tpMain.Value.Value.Second.ToString(); DateTime d = Convert.ToDateTime(dt); DisplayData = d; } } }}