⚰️ 虚拟化环绕panel

Util/WrpaPanel/SpacingMode.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GeekDesk.Util.WrpaPanel
+{
+    public enum SpacingMode
+    {
+        /// <summary>
+        /// Spacing is disabled and all items will be arranged as closely as possible.
+        /// </summary>
+        None,
+        /// <summary>
+        /// The remaining space is evenly distributed between the items on a layout row, as well as the start and end of each row.
+        /// </summary>
+        Uniform,
+        /// <summary>
+        /// The remaining space is evenly distributed between the items on a layout row, excluding the start and end of each row.
+        /// </summary>
+        BetweenItemsOnly,
+        /// <summary>
+		/// The remaining space is evenly distributed between start and end of each row.
+		/// </summary>
+        StartAndEndOnly
+    }
+}