add HoneycombPanel

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/CardDemoViewModel.cs

@@ -1,13 +1,34 @@
-using HandyControlDemo.Data;
+using System;
+#if netle40
+using GalaSoft.MvvmLight.Command;
+#else
+using GalaSoft.MvvmLight.CommandWpf;
+#endif
+using HandyControlDemo.Data;
 using HandyControlDemo.Service;
 
 namespace HandyControlDemo.ViewModel
 {
     public class CardDemoViewModel : DemoViewModelBase<CardModel>
     {
+        private readonly DataService _dataService;
+
         public CardDemoViewModel(DataService dataService)
         {
+            _dataService = dataService;
             DataList = dataService.GetCardDataList();
         }
+
+        public RelayCommand AddItemCmd => new Lazy<RelayCommand>(() =>
+            new RelayCommand(() => DataList.Insert(0, _dataService.GetCardData()))).Value;
+
+        public RelayCommand RemoveItemCmd => new Lazy<RelayCommand>(() =>
+            new RelayCommand(() =>
+            {
+                if (DataList.Count > 0)
+                {
+                    DataList.RemoveAt(0);
+                }
+            })).Value;
     }
 }