首次提交：本地项目同步到Gitea

LibShapes/Core/Command/CommandDelete.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Io.Github.Kerwinxu.LibShapes.Core.Command
+{
+    public class CommandDelete : ShapeCommand
+    {
+        /// <summary>
+        /// 从哪一项删除的。
+        /// </summary>
+        public int index { get; set; }
+
+        public override void Redo()
+        {
+            // 重新删除
+            this.index = this.canvas.shapes.lstShapes.IndexOf(this.NewShape);
+            this.canvas.shapes.lstShapes.Remove(this.NewShape);
+            //throw new NotImplementedException();
+        }
+
+        public override void Undo()
+        {
+            // 从这个位置重新插入。
+            this.canvas.shapes.lstShapes.Insert(this.index, this.NewShape);
+            //throw new NotImplementedException();
+        }
+    }
+}