protected override void OnBeforeContextMenu(CefBrowser browser, CefFrame frame, CefContextMenuParams state, CefMenuModel model) { if (model.Count > 0) { model.Clear(); } //bool removed = model.Remove(CefMenuCommand.ViewSource); // Remove "View Source" option if (state.LinkUrl != null || IsUrl(state.SelectionText)) { model.AddItem(133, "新窗口中打开链接"); model.AddItem(134, "复制链接"); model.AddSeparator(); } model.AddItem(135, "搜索此内容"); if (state.MediaType == CefContextMenuMediaType.Image) { SearStr = state.SelectionText; model.AddItem(136, "图片另存为"); } model.AddSeparator(); model.AddItem(100, "复制"); model.AddItem(114, "粘贴"); model.AddSeparator(); model.AddItem(200, "返回"); model.AddItem(300, "前进"); model.AddItem(350, "刷新"); model.AddItem(113, "停止"); model.AddSeparator(); if (_core.Browser.GetHost() != null) { // model.AddSeparator(); model.AddItem(402, "打印此页"); model.AddItem(401, "页面另存为PDF"); model.AddSeparator(); } if (!_core.DevToolsOpen) { model.AddItem(400, "打开调试工具"); } else { model.AddItem(400, "关闭调试工具"); } if (state.SelectionText != null) { model.SetEnabled(100, true); } else { model.SetEnabled(100, false); } if (Clipboard.GetText() == "") { model.SetEnabled(114, false); } else { model.SetEnabled(114, true); } if (state.SelectionText != "" && state.SelectionText != null) { SearStr = state.SelectionText; model.SetEnabled(135, true); } else { model.SetEnabled(135, false); } if (browser.IsLoading) { model.SetEnabled(113, true); } else { model.SetEnabled(113, false); } if (browser.CanGoBack) { model.SetEnabled(200, true); } else { model.SetEnabled(200, false); } if (browser.CanGoForward) { model.SetEnabled(300, true); } else { model.SetEnabled(300, false); } }