Fixed bug where lines would draw incorrectly

Advanced Software Engineering/Advanced Software Engineering/Commander.cs

@@ -46,6 +46,7 @@ namespace Advanced_Software_Engineering
         {
             //ignore case
             rawCommands = rawCommands.ToLower();
+
             //isolate commands
             string[] commands = rawCommands.Split(Environment.NewLine.ToCharArray());
 
@@ -54,7 +55,17 @@ namespace Advanced_Software_Engineering
                 //handle errors later
                 AddCommand(VerbFactory.MakeVerb(drawer, rawCommand));
             }
+        }
 
+        public void ProcessCommandsAndExecute(string rawCommands)
+        {
+            int start = commands.Count;
+            ProcessCommands(rawCommands);
+
+            for(; start < commands.Count; start++)
+            {
+                commands[start].ExecuteVerb();
+            }
         }
 
     }

Advanced Software Engineering/Advanced Software Engineering/DrawPreview.cs

@@ -33,6 +33,7 @@ namespace Advanced_Software_Engineering
         private void DrawPreview_FormClosed(object sender, FormClosedEventArgs e)
         {
             SettingsAndHelperFunctions.WindowClosed();
+            this.Dispose();
         }
 
         private void DrawPreviewPane_Paint(object sender, PaintEventArgs e)
@@ -42,11 +43,8 @@ namespace Advanced_Software_Engineering
 
         private void SubmitCommand(object sender, EventArgs e)
         {
-            commander.ProcessCommands(textBox1.Text);
+            commander.ProcessCommandsAndExecute(textBox1.Text);
             textBox1.Text = "";
-
-            //Makes sure that the panel updates
-            panel1.Invalidate();
         }
     }
 }