Silverlight 双击事件例子

后台代码

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;namespace MouseDbClick{    public partial class MainPage : UserControl,IMouseDbClick    {        MouseDbClickHander hander = null;        public MainPage()        {            InitializeComponent();            hander = new MouseDbClickHander(this);            lbTest.MouseLeftButtonDown += new MouseButtonEventHandler(lbTest_MouseLeftButtonDown);            lbTest.MouseLeftButtonUp += new MouseButtonEventHandler(lbTest_MouseLeftButtonUp);            string[] str = {
    "a","b","c","d" };            lbTest.ItemsSource = str;        }        void lbTest_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)        {            hander.OnMouseLeftButtonUp(sender, e);        }        void lbTest_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)        {            hander.OnMouseLeftButtonDown(sender, e);          }        #region IMouseDbClick 成员        public void onMouseDbClick(object sender, MouseButtonEventArgs e)        {            string msg = lbTest.SelectedItem as string;            MessageBox.Show(msg);        }        #endregion    }}

实现双击的接口代码

using System;using System.Net;using System.Windows;using System.Windows.Controls;using System.Windows.Documents;using System.Windows.Ink;using System.Windows.Input;using System.Windows.Media;using System.Windows.Media.Animation;using System.Windows.Shapes;namespace MouseDbClick{    public interface IMouseDbClick    {        void onMouseDbClick(object sender, MouseButtonEventArgs e);    }}

实现双击的代码

using System;using System.Net;using System.Windows;using System.Windows.Controls;using System.Windows.Documents;using System.Windows.Ink;using System.Windows.Input;using System.Windows.Media;using System.Windows.Media.Animation;using System.Windows.Shapes;namespace MouseDbClick{    public class MouseDbClickHander    {        public DateTime lastClick = DateTime.Now;        private bool firstClick = false;        private IMouseDbClick _mouseDbClick;        // Methods        public MouseDbClickHander(IMouseDbClick mouseDbclick)        {            this._mouseDbClick = mouseDbclick;        }        public void OnMouseLeftButtonDown(object sender, MouseButtonEventArgs e)        {                    }        public void OnMouseLeftButtonUp(object sender, MouseButtonEventArgs e)        {            //UIElement ui = sender as UIElement;            TimeSpan span = DateTime.Now - lastClick;            if (span.TotalMilliseconds < 40 || firstClick == false)            {                firstClick = true;                lastClick = DateTime.Now;            }            else            {                this._mouseDbClick.onMouseDbClick(sender, e);                firstClick = false;            }        }    }}

 

到了Silverlight5.0后鼠标事件中有一个ClickCount属性，可以判断是否是双击。