diff --git a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/0b256a33-25ce-4029-b691-d66045bdb68c.vsidx b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/0b256a33-25ce-4029-b691-d66045bdb68c.vsidx
new file mode 100644
index 00000000..1c380bf6
Binary files /dev/null and b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/0b256a33-25ce-4029-b691-d66045bdb68c.vsidx differ
diff --git a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/0dbe9423-5648-42a6-868a-07e192177a55.vsidx b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/0dbe9423-5648-42a6-868a-07e192177a55.vsidx
deleted file mode 100644
index 4292bc29..00000000
Binary files a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/0dbe9423-5648-42a6-868a-07e192177a55.vsidx and /dev/null differ
diff --git a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/4c276a07-0724-4921-b766-7d650bddb03e.vsidx b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/4c276a07-0724-4921-b766-7d650bddb03e.vsidx
new file mode 100644
index 00000000..3de28ffb
Binary files /dev/null and b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/4c276a07-0724-4921-b766-7d650bddb03e.vsidx differ
diff --git a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/86d75f81-ae0b-4632-b9bc-9d63c9d85de4.vsidx b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/86d75f81-ae0b-4632-b9bc-9d63c9d85de4.vsidx
deleted file mode 100644
index d001e6f6..00000000
Binary files a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/86d75f81-ae0b-4632-b9bc-9d63c9d85de4.vsidx and /dev/null differ
diff --git a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/af87ee9c-1876-4504-9800-da0923d6094d.vsidx b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/af87ee9c-1876-4504-9800-da0923d6094d.vsidx
new file mode 100644
index 00000000..0657d2a5
Binary files /dev/null and b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/af87ee9c-1876-4504-9800-da0923d6094d.vsidx differ
diff --git a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/f970f112-8fb6-4845-8c71-2167b1ad0e31.vsidx b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/f970f112-8fb6-4845-8c71-2167b1ad0e31.vsidx
deleted file mode 100644
index 24756d33..00000000
Binary files a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/FileContentIndex/f970f112-8fb6-4845-8c71-2167b1ad0e31.vsidx and /dev/null differ
diff --git a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/v17/.suo b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/v17/.suo
index 6d4d010c..6ebf8298 100644
Binary files a/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/v17/.suo and b/源代码/.Net Framework/Stg_Sharp/.vs/Stg_Sharp/v17/.suo differ
diff --git a/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/Control/Get.cs b/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/Control/Get.cs
new file mode 100644
index 00000000..30a719c1
--- /dev/null
+++ b/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/Control/Get.cs	
@@ -0,0 +1,53 @@
+using StgSharp.Entities;
+using StgSharp.Geometries;
+using StgSharp.UI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Control
+{
+    internal class Get
+    {
+        static bool isNotSelected;
+        static Point pointCache;
+
+        static Circle circleCache;
+
+
+        public static Point Point(SelectOperation<Point> selectPointOperation )
+        {
+            isNotSelected = true;
+            pointCache = Pool.pointContainer.Heading;
+            for (; pointCache.Next != null; )
+            {
+                if (selectPointOperation.Invoke(pointCache))
+                {
+                    isNotSelected = false;
+                    return pointCache;
+                    break;
+                }
+                pointCache++;
+            }
+            if (isNotSelected)
+            {
+                return null;
+            }
+        }
+
+        public static Bullet Bullet(SelectOperation<Bullet> operation)
+        {
+            
+        }
+
+        public static Circle Circle(SelectOperation<Circle> operation)
+        {
+            circleCache = Pool.geometryContainer.Heading;
+
+        }
+
+
+    }
+}
diff --git a/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/Control/SelectOperation.cs b/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/Control/SelectOperation.cs
new file mode 100644
index 00000000..6326f66f
--- /dev/null
+++ b/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/Control/SelectOperation.cs	
@@ -0,0 +1,12 @@
+using StgSharp.Geometries;
+using StgSharp.Logic;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Control
+{
+    public delegate bool SelectOperation<T>(T p)where T : LinkedObject ;
+}
diff --git a/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/Control/ComplexOperationHandler.cs b/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/Geometries/ComplexOperationHandler.cs
similarity index 100%
rename from 源代码/.Net Framework/Stg_Sharp/Stg_Sharp/Control/ComplexOperationHandler.cs
rename to 源代码/.Net Framework/Stg_Sharp/Stg_Sharp/Geometries/ComplexOperationHandler.cs
diff --git a/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/StgSharp.csproj b/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/StgSharp.csproj
index b06c2d3d..c309802b 100644
--- a/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/StgSharp.csproj	
+++ b/源代码/.Net Framework/Stg_Sharp/Stg_Sharp/StgSharp.csproj	
@@ -45,6 +45,8 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Control\SelectOperation.cs" />
+    <Compile Include="Control\Get.cs" />
     <Compile Include="Control\Set.cs" />
     <Compile Include="Control\Pool.cs" />
     <Compile Include="Control\Create.cs" />
@@ -53,7 +55,7 @@
     <Compile Include="Entities\Reward.cs" />
     <Compile Include="Entities\Enemy.cs" />
     <Compile Include="Game\CoreInfo.cs" />
-    <Compile Include="Control\ComplexOperationHandler.cs" />
+    <Compile Include="Geometries\ComplexOperationHandler.cs" />
     <Compile Include="Geometries\Geometry.cs" />
     <Compile Include="Geometries\FreeCurve.cs" />
     <Compile Include="Geometries\Point.cs" />