chore: use file-scoped namespace

src/Shared/HandyControlDemo_Shared/ViewModel/DemoViewModelBase`1.cs

@@ -1,26 +1,25 @@
 using System.Collections.Generic;
 using GalaSoft.MvvmLight;
 
-namespace HandyControlDemo.ViewModel
-{
-    public class DemoViewModelBase<T> : ViewModelBase
-    {
-        /// <summary>
-        ///     数据列表
-        /// </summary>
-        private IList<T> _dataList;
+namespace HandyControlDemo.ViewModel;
 
-        /// <summary>
-        ///     数据列表
-        /// </summary>
-        public IList<T> DataList
-        {
-            get => _dataList;
+public class DemoViewModelBase<T> : ViewModelBase
+{
+    /// <summary>
+    ///     数据列表
+    /// </summary>
+    private IList<T> _dataList;
+
+    /// <summary>
+    ///     数据列表
+    /// </summary>
+    public IList<T> DataList
+    {
+        get => _dataList;
 #if NET40
-            set => Set(nameof(DataList), ref _dataList, value);
+        set => Set(nameof(DataList), ref _dataList, value);
 #else
             set => Set(ref _dataList, value);
 #endif       
-        }
     }
-}
+}