chore: use file-scoped namespace

src/Shared/HandyControl_Shared/Controls/Base/RegularItemsControl.cs

@@ -1,41 +1,40 @@
 using System.Windows;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+/// <summary>
+///     规则ItemsControl
+/// </summary>
+/// <remarks>
+///     该类的每一项都具有相同的大小和外边距
+/// </remarks>
+public class RegularItemsControl : SimpleItemsControl
 {
-    /// <summary>
-    ///     规则ItemsControl
-    /// </summary>
-    /// <remarks>
-    ///     该类的每一项都具有相同的大小和外边距
-    /// </remarks>
-    public class RegularItemsControl : SimpleItemsControl
+    public static readonly DependencyProperty ItemWidthProperty = DependencyProperty.Register(
+        "ItemWidth", typeof(double), typeof(RegularItemsControl), new PropertyMetadata(ValueBoxes.Double200Box));
+
+    public double ItemWidth
     {
-        public static readonly DependencyProperty ItemWidthProperty = DependencyProperty.Register(
-            "ItemWidth", typeof(double), typeof(RegularItemsControl), new PropertyMetadata(ValueBoxes.Double200Box));
-
-        public double ItemWidth
-        {
-            get => (double) GetValue(ItemWidthProperty);
-            set => SetValue(ItemWidthProperty, value);
-        }
-
-        public static readonly DependencyProperty ItemHeightProperty = DependencyProperty.Register(
-            "ItemHeight", typeof(double), typeof(RegularItemsControl), new PropertyMetadata(ValueBoxes.Double200Box));
-
-        public double ItemHeight
-        {
-            get => (double) GetValue(ItemHeightProperty);
-            set => SetValue(ItemHeightProperty, value);
-        }
-
-        public static readonly DependencyProperty ItemMarginProperty = DependencyProperty.Register(
-            "ItemMargin", typeof(Thickness), typeof(RegularItemsControl), new PropertyMetadata(default(Thickness)));
-
-        public Thickness ItemMargin
-        {
-            get => (Thickness) GetValue(ItemMarginProperty);
-            set => SetValue(ItemMarginProperty, value);
-        }
+        get => (double) GetValue(ItemWidthProperty);
+        set => SetValue(ItemWidthProperty, value);
     }
-}
+
+    public static readonly DependencyProperty ItemHeightProperty = DependencyProperty.Register(
+        "ItemHeight", typeof(double), typeof(RegularItemsControl), new PropertyMetadata(ValueBoxes.Double200Box));
+
+    public double ItemHeight
+    {
+        get => (double) GetValue(ItemHeightProperty);
+        set => SetValue(ItemHeightProperty, value);
+    }
+
+    public static readonly DependencyProperty ItemMarginProperty = DependencyProperty.Register(
+        "ItemMargin", typeof(Thickness), typeof(RegularItemsControl), new PropertyMetadata(default(Thickness)));
+
+    public Thickness ItemMargin
+    {
+        get => (Thickness) GetValue(ItemMarginProperty);
+        set => SetValue(ItemMarginProperty, value);
+    }
+}