The window now correctly repaints

Advanced Software Engineering/Advanced Software Engineering/Commander.cs

@@ -12,7 +12,11 @@ namespace Advanced_Software_Engineering {
         List<Verb> commands = new List<Verb>();
         Drawer drawer;
 
-        public void DrawAllCommands() {
+        public void DrawAllCommands(Graphics updateGraphicsElement) {
+            graphics = updateGraphicsElement;
+            drawer.ResetDrawer();
+            drawer.SetGraphics(updateGraphicsElement);
+
             foreach (Verb verb in this.commands) {
                 verb.ExecuteVerb();
             }
@@ -110,6 +114,8 @@ namespace Advanced_Software_Engineering {
             brush = new SolidBrush(defaultColor);
         }
 
+        public void SetGraphics(Graphics graphics) => this.graphics = graphics;
+
         public void MovePen(Point point) => penPosition = point;
         public Point GetPenPosition() => new Point(penPosition.X, penPosition.Y);
 

Advanced Software Engineering/Advanced Software Engineering/DrawPreview.Designer.cs

@@ -58,11 +58,13 @@
             // 
             // panel1
             // 
+            this.panel1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
             this.panel1.BackColor = System.Drawing.Color.White;
-            this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;
             this.panel1.Location = new System.Drawing.Point(0, 0);
             this.panel1.Name = "panel1";
-            this.panel1.Size = new System.Drawing.Size(537, 501);
+            this.panel1.Size = new System.Drawing.Size(537, 474);
             this.panel1.TabIndex = 2;
             this.panel1.Paint += new System.Windows.Forms.PaintEventHandler(this.DrawPreviewPane_Paint);
             // 

Advanced Software Engineering/Advanced Software Engineering/DrawPreview.cs

@@ -16,6 +16,8 @@ namespace Advanced_Software_Engineering
         Graphics graphics;
         Commander commander;
 
+        int repaintCount = 0;
+
         /// <summary>
         /// The draw preview window.
         /// </summary>
@@ -27,6 +29,7 @@ namespace Advanced_Software_Engineering
             InitializeComponent();
             SettingsAndHelperFunctions.NumberOfWindows++;
             graphics = panel1.CreateGraphics();
+            graphics.ResetClip();
             commander = new Commander(graphics);
         }
 
@@ -34,6 +37,7 @@ namespace Advanced_Software_Engineering
             InitializeComponent();
             SettingsAndHelperFunctions.NumberOfWindows++;
             graphics = panel1.CreateGraphics();
+            graphics.ResetClip();
             commander = new Commander(graphics, commands);
 
             //disable components
@@ -47,9 +51,15 @@ namespace Advanced_Software_Engineering
             Dispose();
         }
 
+        private void DrawPreviewPane_Paint(object sender, EventArgs e) {
+            DrawPreviewPane_Paint(sender, null);
+        }
+
         private void DrawPreviewPane_Paint(object sender, PaintEventArgs e)
         {
-            commander.DrawAllCommands();
+            graphics = panel1.CreateGraphics();
+            commander.DrawAllCommands(graphics);
+            Console.WriteLine("Graphics repainted " + ++repaintCount + "times");
         }
 
         private void SubmitCommand(object sender, EventArgs e)
@@ -65,5 +75,6 @@ namespace Advanced_Software_Engineering
         public void RemoveAllCommands() {
             commander.RemoveAllCommands();
         }
+
     }
 }