添加项目文件。

Fluent.Ribbon/Fluent.Ribbon.Showcase/ViewModels/GallerySampleDataItemViewModel.cs

@@ -0,0 +1,59 @@
+namespace FluentTest.ViewModels
+{
+    using System.Diagnostics;
+    using System.Windows.Input;
+    using System.Windows.Media;
+    using System.Windows.Media.Imaging;
+    using Fluent.Converters;
+    using FluentTest.Commanding;
+
+    public class GallerySampleDataItemViewModel : ViewModel
+    {
+        /// <summary>
+        /// Creates new item
+        /// </summary>
+        /// <param name="icon">Icon</param>
+        /// <param name="iconLarge">Large Icon</param>
+        /// <param name="text">Text</param>
+        /// <param name="group">Group</param>
+        /// <returns>Item</returns>
+        public static GallerySampleDataItemViewModel Create(string icon, string iconLarge, string text, string group)
+        {
+            var dataItem = new GallerySampleDataItemViewModel(icon, iconLarge, text, group);
+
+            return dataItem;
+        }
+
+        private GallerySampleDataItemViewModel(string icon, string iconLarge, string text, string group)
+        {
+            this.Icon = (ImageSource)StaticConverters.ObjectToImageConverter.Convert(icon, typeof(BitmapImage), null, null);
+            this.IconLarge = (ImageSource)StaticConverters.ObjectToImageConverter.Convert(iconLarge, typeof(BitmapImage), null, null);
+            this.Text = text;
+            this.Group = group;
+
+            this.Command = new RelayCommand(() => Trace.WriteLine("Command executed"));
+        }
+
+        /// <summary>
+        /// Gets or sets icon
+        /// </summary>
+        public ImageSource Icon { get; }
+
+        /// <summary>
+        /// Gets or sets large icon
+        /// </summary>
+        public ImageSource IconLarge { get; }
+
+        /// <summary>
+        /// Gets or sets text
+        /// </summary>
+        public string Text { get; }
+
+        /// <summary>
+        /// Gets or sets group name
+        /// </summary>
+        public string Group { get; }
+
+        public ICommand Command { get; }
+    }
+}