diff a/CoreUnit/Scanner/UserControl/Canvas/CanvasCtrl/Canvas.Designer.cs b/CoreUnit/Scanner/UserControl/Canvas/CanvasCtrl/Canvas.Designer.cs	(rejected hunks)
@@ -36,6 +36,7 @@
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.Name = "CanvasCtrl";
             this.Size = new System.Drawing.Size(433, 202);
+            this.Paint += new System.Windows.Forms.PaintEventHandler(this.CanvasCtrl_Paint);
             this.ResumeLayout(false);
 
 		}