update to v1.4.0

HandyControlDemo/ViewModel/NoUserContentViewModel.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Windows.Media.Imaging;
+using GalaSoft.MvvmLight;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class NoUserContentViewModel : ViewModelBase
+    {
+        public NoUserContentViewModel()
+        {
+            NugetDownloadCount = 11111;
+        }
+
+        private int _nugetDownloadCount;
+
+        public int NugetDownloadCount
+        {
+            get => _nugetDownloadCount;
+            set => Set(ref _nugetDownloadCount, value);
+        }
+    }
+}