添加项目文件。

DotNet.Revit.ShortKey/ShortKeyHelper.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using UIFramework;
+using UIFrameworkServices;
+
+namespace DotNet.Revit.ShortKey
+{
+    public static class ShortKeyHelper
+    {
+        /// <summary>
+        /// 基于Revit封装的RibbonButton设置其快捷键.
+        /// </summary>
+        /// <param name="btn">RibbonButton.</param>
+        /// <param name="key">快捷键字符串.</param>
+        /// <returns></returns>
+        public static bool SetShortCut(this Autodesk.Revit.UI.RibbonButton btn, string key)
+        {
+            if (btn == null)
+                return false;
+
+            var item = btn.GetType().InvokeMember("getRibbonItem",
+                BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.InvokeMethod,
+                Type.DefaultBinder, btn, null);
+
+            if (item == null)
+                return false;
+
+            return (item as Autodesk.Windows.RibbonItem).SetShortCut(key);
+        }
+
+        /// <summary>
+        /// 基于通用库封装的RibbonCommandItem设置其快捷键.
+        /// </summary>
+        /// <param name="commandItem">RibbonCommandItem.</param>
+        /// <param name="key">快捷键字符串.</param>
+        /// <returns></returns>
+        public static bool SetShortCut(this Autodesk.Windows.RibbonItem commandItem, string key)
+        {
+            if (commandItem == null || string.IsNullOrEmpty(key))
+                return false;
+
+            var parentTab = default(Autodesk.Windows.RibbonTab);
+            var parentPanel = default(Autodesk.Windows.RibbonPanel);
+
+            Autodesk.Windows.ComponentManager.Ribbon.FindItem(commandItem.Id, false, out parentPanel, out parentTab, true);
+
+            if (parentTab == null || parentPanel == null)
+                return false;
+
+            var path = string.Format("{0}>{1}", parentTab.Id, parentPanel.Source.Id);
+            var cmdId = ControlHelper.GetCommandId(commandItem);
+
+            if (string.IsNullOrEmpty(cmdId))
+            {
+                cmdId = Guid.NewGuid().ToString();
+                ControlHelper.SetCommandId(commandItem, cmdId);
+            }
+
+            var shortcutItem = new ShortcutItem(commandItem.Text, cmdId, key, path);
+            shortcutItem.ShortcutType = StType.RevitAPI;
+            KeyboardShortcutService.applyShortcutChanges(new Dictionary<string, ShortcutItem>()
+                { 
+                   {
+                     cmdId,shortcutItem
+                   }
+                });
+            return true;
+        }
+    }
+}