diff --git a/src/AddIns/BackendBindings/Python/PythonBinding/Project/Src/PythonCodeDomSerializer.cs b/src/AddIns/BackendBindings/Python/PythonBinding/Project/Src/PythonCodeDomSerializer.cs
index 09c603914e..4379bb92c2 100644
--- a/src/AddIns/BackendBindings/Python/PythonBinding/Project/Src/PythonCodeDomSerializer.cs
+++ b/src/AddIns/BackendBindings/Python/PythonBinding/Project/Src/PythonCodeDomSerializer.cs
@@ -155,6 +155,8 @@ namespace ICSharpCode.PythonBinding
 				AppendDelegateCreateExpression((CodeDelegateCreateExpression)expression);
 			} else if (expression is CodeCastExpression) {
 				AppendCastExpression((CodeCastExpression)expression);
+			} else if (expression is CodeBinaryOperatorExpression) {
+				AppendBinaryOperatorExpression((CodeBinaryOperatorExpression)expression);
 			} else {
 				Console.WriteLine("AppendExpression: " + expression.GetType().Name);
 			}
@@ -371,6 +373,27 @@ namespace ICSharpCode.PythonBinding
 				return attributes[typeof(InheritanceAttribute)] as InheritanceAttribute;
 			}
 			return null;	
-		}		
+		}
+		
+		/// <summary>
+		/// Appends expressions like "AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top"
+		/// </summary>
+		void AppendBinaryOperatorExpression(CodeBinaryOperatorExpression expression)
+		{
+			AppendExpression(expression.Left);
+			AppendBinaryOperator(expression.Operator);
+			AppendExpression(expression.Right);
+		}
+		
+		void AppendBinaryOperator(CodeBinaryOperatorType operatorType)
+		{
+			codeBuilder.Append(" ");
+			switch (operatorType) {
+				case CodeBinaryOperatorType.BitwiseOr:
+					codeBuilder.Append("|");
+					break;
+			}
+			codeBuilder.Append(" ");
+		}
 	}
 }
diff --git a/src/AddIns/BackendBindings/Python/PythonBinding/Test/Designer/GeneratePanelFormTestFixture.cs b/src/AddIns/BackendBindings/Python/PythonBinding/Test/Designer/GeneratePanelFormTestFixture.cs
index 010a266254..7b870c177a 100644
--- a/src/AddIns/BackendBindings/Python/PythonBinding/Test/Designer/GeneratePanelFormTestFixture.cs
+++ b/src/AddIns/BackendBindings/Python/PythonBinding/Test/Designer/GeneratePanelFormTestFixture.cs
@@ -39,6 +39,7 @@ namespace PythonBinding.Tests.Designer
 				
 				Panel panel = (Panel)host.CreateComponent(typeof(Panel), "panel1");
 				panel.Location = new Point(10, 15);
+				panel.Anchor = AnchorStyles.Bottom | AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
 				panel.TabIndex = 0;
 				panel.Size = new Size(100, 120);
 				TextBox textBox = (TextBox)host.CreateComponent(typeof(TextBox), "textBox1");
@@ -74,6 +75,7 @@ namespace PythonBinding.Tests.Designer
 								"    # \r\n" +
 								"    # panel1\r\n" +
 								"    # \r\n" +
+								"    self._panel1.Anchor = System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left | System.Windows.Forms.AnchorStyles.Right\r\n" +
 								"    self._panel1.Controls.Add(self._textBox1)\r\n" +
 								"    self._panel1.Location = System.Drawing.Point(10, 15)\r\n" +
 								"    self._panel1.Name = \"panel1\"\r\n" +