MS Word加载项：RIght点击处理程序

我正在为MS Word 2010开发一个加载项，我想在右键菜单中添加几个菜单项（仅当选择了一些文本时）。 我看过几个例子来添加项目，但无法找到如何有条件地添加项目。 总之，我想覆盖像OnRightClick处理程序之类的东西。 提前致谢。

Answer 1

这很简单，您需要处理WindowBeforeRightClick事件。 在事件内部找到所需的命令栏和specfic控件，并处理Visible或Enabled属性。

在下面的示例中，我根据选择切换在Text命令栏上创建的自定义按钮的Visible属性（如果选择包含“C＃”，则隐藏按钮，否则显示它）

  //using Word = Microsoft.Office.Interop.Word; //using Office = Microsoft.Office.Core; Word.Application application; private void ThisAddIn_Startup(object sender, System.EventArgs e) { application = this.Application; application.WindowBeforeRightClick += new Word.ApplicationEvents4_WindowBeforeRightClickEventHandler(application_WindowBeforeRightClick); application.CustomizationContext = application.ActiveDocument; Office.CommandBar commandBar = application.CommandBars["Text"]; Office.CommandBarButton button = (Office.CommandBarButton)commandBar.Controls.Add( Office.MsoControlType.msoControlButton); button.accName = "My Custom Button"; button.Caption = "My Custom Button"; } public void application_WindowBeforeRightClick(Word.Selection selection, ref bool Cancel) { if (selection != null && !String.IsNullOrEmpty(selection.Text)) { string selectionText = selection.Text; if (selectionText.Contains("C#")) SetCommandVisibility("My Custom Button", false); else SetCommandVisibility("My Custom Button", true); } } private void SetCommandVisibility(string name, bool visible) { application.CustomizationContext = application.ActiveDocument; Office.CommandBar commandBar = application.CommandBars["Text"]; commandBar.Controls[name].Visible = visible; }