silverlight中添加给TextBox批量添加右键菜单

概述基于此人写的代码，修改优化后支持批量给所有TextBox添加右键菜单，而菜单共用一个，节省资源。 public static class CreatMenuForTextBox { // 菜单 static ContextMenu menu; //TextBox static TextBox textbox;

基于此人写的代码，修改优化后支持批量给所有TextBox添加右键菜单，而菜单共用一个，节省资源。

    public static class CreatMenuForTextBox    {        // 菜单          static ContextMenu menu;        //TextBox          static TextBox textBox;        /// <summary>          /// 为任意元素的内部TextBox添加右键菜单        /// </summary>        public static voID creatMenu(DependencyObject obj)        {            menu = new ContextMenu();            menu.Items.Add(getItem("剪切","../Images/1.jpg"));            menu.Items.Add(getItem("复制",null));            menu.Items.Add(getItem("粘贴",null));            menu.Items.Add(new Separator());            menu.Items.Add(getItem("选择全部",null));            menu.Opened += menu_Opened;            SetMenu(obj);        }        static voID SetMenu(DependencyObject obj)        {            var count = VisualTreeHelper.GetChildrenCount(obj);            for (int i = 0; i < count; i++)            {                var child = VisualTreeHelper.GetChild(obj,i);                if (child is TextBox)                {                    ((TextBox)child).MouseRightbuttonDown += TextBox_MouseRightbuttonDown;                }                else                {                    SetMenu(child);                }            }        }        static voID TextBox_MouseRightbuttonDown(object sender,MousebuttonEventArgs e)        {            e.Handled = true;            textBox = sender as TextBox;            textBox.Focus();            menu.IsOpen = true;        }        static voID menu_Opened(object sender,RoutedEventArgs e)        {            textBox.Focus();        }        static MenuItem getItem(string header,string imagePath)        {            MenuItem item = new MenuItem();            item.header = header;            if (imagePath != null)            {                Image im = new Image();                im.source = new ImageSourceConverter().ConvertFromString(imagePath) as ImageSource;                 item.Icon = im;            }            item.Click += new RoutedEventHandler(item_Click);            return item;        }        static voID item_Click(object sender,RoutedEventArgs e)        {            MenuItem menuItem = (MenuItem)sender;            try            {                execute(menuItem.header.ToString());            }            catch (Exception)            {            }            textBox.Focus();        }        static voID execute(string selected)        {            switch (selected)            {                case "剪切":                    Clipboard.SetText(textBox.SelectedText);                    textBox.SelectedText = "";                    textBox.GetBindingExpression(TextBox.TextProperty).UpdateSource();                    break;                case "复制":                    Clipboard.SetText(textBox.SelectedText);                    break;                case "粘贴":                    textBox.SelectedText = Clipboard.GetText();                    textBox.GetBindingExpression(TextBox.TextProperty).UpdateSource();                    break;                case "选择全部":                    textBox.SelectAll();                    break;                default:                    break;            }        }    }

2013-11-20修改：添加了剪切和粘贴动作对绑定数据源的更新。 总结

以上是内存溢出为你收集整理的silverlight中添加给TextBox批量添加右键菜单全部内容，希望文章能够帮你解决silverlight中添加给TextBox批量添加右键菜单所遇到的程序开发问题。

如果觉得内存溢出网站内容还不错，欢迎将内存溢出网站推荐给程序员好友。