TipWindow.xaml_1118

最新推荐文章于 2024-08-28 02:40:51 发布

hhucxyb

最新推荐文章于 2024-08-28 02:40:51 发布

阅读量425

点赞数

CC 4.0 BY-SA版权

文章标签： null object class 浏览器

本文链接：https://blog.youkuaiyun.com/hhucxyb/article/details/6989231

本文介绍了一种自定义ToolTip控件的实现方法，该控件能够跟随鼠标移动并显示提示信息，同时根据浏览器分辨率调整位置，确保始终可见。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

前台

后台

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;
using System.Threading;
using System.Windows.Media.Imaging;
using System.Windows.Browser;

namespace ComputerDropDragControl
{
    /// <summary>
    /// 提示框
    /// 创建人：吴兆娟
    /// 创建时间：2011-11-4
    /// </summary>
    public partial class TipWindow : UserControl
    {
        #region <<页面加载>>

        /// <summary>
        /// 页面加载
        /// </summary>
        public TipWindow()
        {
            InitializeComponent();

//定时器
//this.stortBoardOne.Duration = new TimeSpan(0, 0, 0, 2, 0);

mainContent.Foreground = new SolidColorBrush(Colors.Black);
mainContent.Text = "这种ToolTip是是是到nsk电脑上开始看神道贺就" + DateTime.Now.Millisecond;

}

#endregion

#region <<控件事件>>

        ///// <summary>
        ///// “定时器完成时”发生的事件
        ///// </summary>
        ///// <param name="sender"></param>
        ///// <param name="e"></param>
        //private void stortBoardOne_Completed(object sender, EventArgs e)
        //{

//}

#endregion

#region <<辅助方法>>

        public void BindControl(UIElement uc, NodeFrameView entity)
        {
            uc.MouseLeave += new MouseEventHandler(ti_MouseLeave);
            uc.MouseMove += new MouseEventHandler(ti_MouseMove);
        }

        public void CancelBindControl(UIElement uc)
        {
            this.tip.IsOpen = false;
            uc.MouseLeave -= new MouseEventHandler(ti_MouseLeave);
            uc.MouseMove -= new MouseEventHandler(ti_MouseMove);
        }

        /// <summary>
        /// 鼠标离开自定义控件时，隐藏提示框
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ti_MouseLeave(object sender, MouseEventArgs e)
        {
            this.tip.IsOpen = false;
        }

        /// <summary>
        /// 鼠标在自定义控件上移动式时，提示框也跟随移动
        /// </summary>
        ///<param name="sender"></param>
        /// <param name="e"></param>
        private void ti_MouseMove(object sender, MouseEventArgs e)
        {
            this.tip.IsOpen = true;

            //获取浏览器分辨率信息
            ScriptObject screen = (ScriptObject)HtmlPage.Window.GetProperty("screen");
            double width = (double)screen.GetProperty("width");
            double height = (double)screen.GetProperty("height");
            double mouseX = e.GetPosition(null).X;
            double mouseY = e.GetPosition(null).Y;

double screenRight = width - mouseX - toolTip.Width - 20;
double screenTop = mouseY - toolTip.Height;

            if (screenTop < 0 && screenRight > 0)
            {
                this.imageBrushOne.ImageSource = new BitmapImage(new Uri("Img/tipWindowTwo.png", UriKind.Relative));
                this.tip.HorizontalOffset = e.GetPosition(null).X - 20;
                this.tip.VerticalOffset = e.GetPosition(null).Y;

                mainContent.Margin = new Thickness(10, 50, 10, 0);
            }
            else if (screenRight < 0 && screenTop > 0)
            {
                this.imageBrushOne.ImageSource = new BitmapImage(new Uri("Img/tipWindowFour.png", UriKind.Relative));
                this.tip.HorizontalOffset = e.GetPosition(null).X - 275;
                this.tip.VerticalOffset = e.GetPosition(null).Y - 220;

                mainContent.Margin = new Thickness(10, 10, 10, 0);
            }
            else if (screenRight < 0 && screenTop < 0)
            {
                this.imageBrushOne.ImageSource = new BitmapImage(new Uri("Img/tipWindowThree.png", UriKind.Relative));
                this.tip.HorizontalOffset = e.GetPosition(null).X - 275;
                this.tip.VerticalOffset = e.GetPosition(null).Y;

                mainContent.Margin = new Thickness(10, 50, 10, 0);
            }
            else
            {
                this.imageBrushOne.ImageSource = new BitmapImage(new Uri("Img/tipWindowOne.png", UriKind.Relative));
                this.tip.HorizontalOffset = e.GetPosition(null).X - 200;
                this.tip.VerticalOffset = e.GetPosition(null).Y - 220;

mainContent.Margin = new Thickness(10, 10, 10, 0);
}

}

#endregion

        private void tip_MouseMove(object sender, MouseEventArgs e)
        {
            this.tip.IsOpen = true;
        }

}
}