VSTO外接程序项目只用1个文件实现Ribbon CustomUI和CustomTaskpane定制【C#版】

VSTO中的自定义功能区和自定义任务窗格需要用到各种命名空间、添加所需文件，才能实现。后来我发现可以把所有代码都写在ThisAddin.cs这个默认文件中。

大家可以在Visual Studio中创建一个外接程序项目，然后把ThisAddin.cs中的代码整体替换为下面我贴的这个代码。然后启动调试，就可以看到自定义功能区和任务窗格了。

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Xml.Linq;
 using Excel = Microsoft.Office.Interop.Excel;
 using Office = Microsoft.Office.Core;
 using Microsoft.Office.Tools.Excel;

 namespace ExcelAddInTemplate_CS
 {
     public partial class ThisAddIn
     {
         private void ThisAddIn_Startup(object sender, System.EventArgs e)
         {
             Module1.CreateCTP();
         }

         private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
         {
             Module1.DisposeCTP();
         }
         protected override Office.IRibbonExtensibility CreateRibbonExtensibilityObject()
         {
             return new Ribbon1();
         }
         #region VSTO generated code

         /// <summary>
         /// Required method for Designer support - do not modify
         /// the contents of this method with the code editor.
         /// </summary>
         private void InternalStartup()
         {
             this.Startup += new System.EventHandler(ThisAddIn_Startup);
             this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
         }

         #endregion
     }
     [System.Runtime.InteropServices.ComVisible(true)]
     public class Ribbon1:Microsoft.Office.Core.IRibbonExtensibility
     {
         public Office.IRibbonUI R;
         string Office.IRibbonExtensibility.GetCustomUI(string RibbonID)
         {
             string xml= @"<customUI xmlns='http://schemas.microsoft.com/office/2009/07/customui' onLoad='OnLoad'>
     <ribbon startFromScratch='false'>
         <tabs>
             <tab id='Tab1' label='RibbonXmlEditor'>
                 <group id='Group1' label='Author:ryueifu'>
                     <button id='Button1' label='CTP' imageMso='C' onAction='Button1_Click'/>
                     <button id='Button2' label='UnLoad' imageMso='U' onAction='Button2_Click'/>
                 </group>
             </tab>
         </tabs>
     </ribbon>
 </customUI>";
             return xml;
         }
         public void OnLoad(Office.IRibbonUI ribbon)
         {
             R = ribbon;
             R.ActivateTab(ControlID: "Tab1");
         }
         public void Button1_Click(Office.IRibbonControl control)
         {
             Module1.ctp.Visible = !Module1.ctp.Visible;
         }
         public void Button2_Click(Office.IRibbonControl control)
         {
             Office.COMAddIn ThisCOM = Globals.ThisAddIn.Application.COMAddIns.Item("ExcelAddInTemplate_CS");
             ThisCOM.Connect = false;
         }

     }
     public static class Module1
     {
         public static System.Windows.Forms.UserControl uc;
         public static Microsoft.Office.Tools.CustomTaskPane ctp;
         public static void CreateCTP()
         {
             uc = new System.Windows.Forms.UserControl();
             ctp = Globals.ThisAddIn.CustomTaskPanes.Add(control: uc, title: "CTP");
             ctp.DockPosition = Office.MsoCTPDockPosition.msoCTPDockPositionRight;
             ctp.Visible = true;
         }
         public static void DisposeCTP()
         {
             ctp.Dispose();
         }
     }
 }