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

小咪咪 2022-07-16 15:53 212阅读 0赞

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

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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; \} \} \} \}

[0_12899787692Vq8.gif]: /images/20220709/e5b6a2ddfa584eb1a4862b5dd814b657.png