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  • Silverlight DoubleClickHelper 双击事件模拟类 南京酷得软件

    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 SFiresoft.Util
    {
        /// <summary>
        /// 鼠标双击监测辅助类
        /// </summary>
        public class DoubleClickHelper
        {
            private System.Windows.Threading.DispatcherTimer _doubleClickTimer;
    
            public static DoubleClickHelper _DoubleClickHelper = null;
    
            public static DoubleClickHelper getInstance()
            {
                if (_DoubleClickHelper == null)
                {
                    _DoubleClickHelper = new DoubleClickHelper();
                }
    
                return _DoubleClickHelper;
            }
    
            public object TargetObject { get; set; }
    
            private DoubleClickHelper()
            {
                _doubleClickTimer = new System.Windows.Threading.DispatcherTimer();
                _doubleClickTimer.Interval = new TimeSpan(0, 0, 0, 0, 300);
                _doubleClickTimer.Tick += new EventHandler(DoubleClick_Timer); _doubleClickTimer.Stop();
            }
    
            void DoubleClick_Timer(object sender, EventArgs e)
            {
                _doubleClickTimer.Stop();
            }
    
            /// <summary>        
            /// 检测当前是否为双击事件
            /// /// </summary>        
            /// <returns></returns>
            public bool IsDoubleClick(object targetObject)
            {
                if (object.ReferenceEquals(targetObject, this.TargetObject))
                {
                    if (_doubleClickTimer.IsEnabled)
                    {
                        _doubleClickTimer.Stop();
                        return true;
                    }
                    else
                    {
                        _doubleClickTimer.Start();
                        return false;
                    }
                }
                else
                {
                    _doubleClickTimer.Start();
                    this.TargetObject = targetObject;
                    return false;
                }
                
            }
        }
    }

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  • 原文地址:https://www.cnblogs.com/sucsy/p/3099225.html
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