添加项目文件。

DotNet.Revit.Ribbon/MainWindow.xaml.cs

@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Interop;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using RS = DotNet.Revit.Ribbon.Properties.Resources;
+
+namespace DotNet.Revit.Ribbon
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        [DllImport("gdi32.dll")]
+        private static extern bool DeleteObject(IntPtr hObject);
+
+        public MainWindow()
+        {
+            InitializeComponent();
+
+            // 设置大图标
+            this.ID_DoNet.LargeImage = this.ConvertTo(RS.Github32);
+            this.ID_Revit.LargeImage = this.ConvertTo(RS.Github32);
+            this.ID_GitHub.LargeImage = this.ConvertTo(RS.Github32);
+            this.ID_GitHubChild.LargeImage = this.ConvertTo(RS.Github32);
+
+            // 绑定命令
+            this.ID_DoNet.CommandHandler = new CmdCommand();
+            this.ID_Revit.CommandHandler = new CmdCommand();
+            this.ID_GitHub.CommandHandler = new CmdCommand();
+            this.ID_GitHubChild.CommandHandler = new CmdCommand();
+        }
+
+        private BitmapSource ConvertTo(Icon icon)
+        {
+            var hIcon = icon.Handle;
+            try
+            {
+                var source = Imaging.CreateBitmapSourceFromHIcon(
+                    hIcon,
+                    Int32Rect.Empty,
+                    BitmapSizeOptions.FromEmptyOptions());
+                return source;
+            }
+            finally
+            {
+                DeleteObject(hIcon);
+            }
+        }
+    }
+
+    public class CmdCommand : ICommand
+    {
+        public bool CanExecute(object parameter)
+        {
+            return true;
+        }
+
+        public event EventHandler CanExecuteChanged;
+
+        public void Execute(object parameter)
+        {
+            var item = parameter as Autodesk.Windows.RibbonItem;
+            MessageBox.Show(string.Format("This is {0} command test !!", item.Text));
+        }
+    }
+}