daily uodate on 20231208 by nitload youmu, preparation for multi thread rendering

源代码/StgSharp/Logic/Control.cs

@@ -0,0 +1,26 @@
+using StgSharp.Entities;
+using StgSharp.Geometries;
+using StgSharp.Math;
+
+namespace StgSharp
+{
+    public partial class Control
+    {
+        internal Line leftBoader;
+        internal Line rightBoader;
+        internal Line topBoader;
+        internal Line bottomBoader;
+
+        public Line LeftBoarder => leftBoader;
+        public Line RightBoarder => rightBoader;
+        public Line TopBoarder => topBoader;
+        public Line BottomBoarder => bottomBoader;
+
+
+        private void initContainers()
+        {
+        }
+
+    }
+
+}