diff --git a/AIStudio.Wpf.DiagramDesigner/Helpers/DrawingHelper.cs b/AIStudio.Wpf.DiagramDesigner/Helpers/DrawingHelper.cs
index b468584..442090e 100644
--- a/AIStudio.Wpf.DiagramDesigner/Helpers/DrawingHelper.cs
+++ b/AIStudio.Wpf.DiagramDesigner/Helpers/DrawingHelper.cs
@@ -65,5 +65,19 @@ namespace AIStudio.Wpf.DiagramDesigner
             return GetEndPointByTrigonometric(startPoint, direction - 90, distance);
         }
 
+        public static double GetAngle(Point startPoint, Point endPoint)
+        {
+            var radian = (endPoint.Y - startPoint.Y) / (endPoint.X - startPoint.X);
+            var angle = radian * 180 / Math.PI;
+            return angle;
+        }
+
+        public static double GetDirection(Point startPoint, Point endPoint)
+        {
+            var radian = (endPoint.Y - startPoint.Y) / (endPoint.X - startPoint.X);
+            var angle = radian * 180 / Math.PI;
+            return angle + 90;
+        }
+
     }
 }