點擊下載演示工程

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Threading; using HtmlDom; namespace HTMLElementSelect {public partial class Form1 : Form{public Form1(){InitializeComponent();}AboutForm afrm=new AboutForm();private void Form1_Load(object sender, EventArgs e){webBrowser1.Navigate("http://www.cnblogs.com/JiangHuakey/"); webBrowser1.ContextMenuStrip = contextMenuStrip1; //! 設置我們自己的彈出菜單webBrowser1.IsWebBrowserContextMenuEnabled = false; //! 禁用IE默認的彈出菜單}private void contextMenuStrip1_Opening(object sender, CancelEventArgs e){//! 屏幕坐標Point ScreenCoord = new Point(MousePosition.X, MousePosition.Y);//! 瀏覽器坐標Point BrowserCoord = webBrowser1.PointToClient(ScreenCoord);HtmlElement elem = webBrowser1.Document.GetElementFromPoint(BrowserCoord);//! 隱藏所有菜單項for (int i = 0; i < contextMenuStrip1.Items.Count; i++){contextMenuStrip1.Items[i].Visible = false;}//! 顯示對應的菜單switch (elem.TagName){case "A"://! 如果是一個超鏈接，則顯示相關超鏈接的菜單項openToolStripMenuItem.Visible = true;openInNewTabToolStripMenuItem.Visible = true;openInNewWindowToolStripMenuItem.Visible = true;break;case "IMG"://! 如果是圖片，則顯示相關圖片的菜單項saveImageToolStripMenuItem.Visible = true;setAsDesktopWallpaperToolStripMenuItem.Visible = true;break;default://! 其它refreshToolStripMenuItem.Visible = true;viewSourceToolStripMenuItem.Visible = true;break;}}void SaveImageToolStripMenuItemClick(object sender, EventArgs e){afrm.Show();}void SetAsDesktopWallpaperToolStripMenuItemClick(object sender, EventArgs e){afrm.Show();}void OpenToolStripMenuItemClick(object sender, EventArgs e){afrm.Show();}void OpenInNewTabToolStripMenuItemClick(object sender, EventArgs e){afrm.Show();}void OpenInNewWindowToolStripMenuItemClick(object sender, EventArgs e){afrm.Show();}void RefreshToolStripMenuItemClick(object sender, EventArgs e){afrm.Show();}void ViewSourceToolStripMenuItemClick(object sender, EventArgs e){afrm.Show();}} }

轉載于:https://www.cnblogs.com/JiangHuakey/archive/2010/11/25/1888176.html

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