평행사변형을 만드는 클래스 생성

+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace flowchart
+{
+    class FigParallelogram : FigBase
+    {
+        // 생성자도 상속해서 사용.
+        public FigParallelogram(Point location, Size size) : base(location, size)
+        {
+
+        }
+
+        public override void Draw(Graphics g)
+        {
+            //평행사변형을 그리는 함수
+            using (Pen pen = new Pen(Color.Red, 1))
+            {
+                int x1, x2, x3, x4, y1, y2;
+                x1 = Location.X + 30;
+                x2 = Location.X + Size.Width;
+                x3 = Location.X ;
+                x4 = Location.X + 70;
+                y1 = Location.Y;
+                y2 = Location.Y + Size.Height;
+              
+
+                g.DrawLine(pen, x1, y1, x3, y2);
+                g.DrawLine(pen, x3, y2, x4, y2);
+                g.DrawLine(pen, x4, y2, x2, y1);
+                g.DrawLine(pen, x2, y1, x1, y1);
+            }
+
+            base.Draw(g);
+        }
+    }
+}