complete project with 4x4 table function

Chaser/ChaserLibrary/IPaintable.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ChaserLibrary
+{
+    public interface IPaintable
+    {
+        public void PaintCircle(double X, double Y, int radius);
+
+        public void PaintCross(double X, double Y);
+
+    }
+}