Added SpriteMapModifications for use in Form1

SpriteMapEditor/SpriteMapModifications/RemoveSprite.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using QURO;
+using System.ComponentModel;
+
+namespace SpriteMapEditor.SpriteMapModifications
+{
+    class RemoveSprite : ISpriteMapModification
+    {
+        private readonly BindingList<SpriteMapRegion> allSprites;
+
+        private readonly int index;
+
+        private readonly SpriteMapRegion removedSprite;
+
+        public RemoveSprite(BindingList<SpriteMapRegion> spriteList, int indexToRemove)
+        {
+            allSprites = spriteList;
+            index = indexToRemove;
+            removedSprite = allSprites[index];
+        }
+
+        public void Do()
+        {
+            allSprites.RemoveAt(index);
+        }
+
+        public void Undo()
+        {
+            allSprites.Insert(index, removedSprite);
+        }
+    }
+}