This enumeration lists the options for DesignerSerializationVisibilityAttribute . public enum DesignerSerializationVisibility { Hidden = 0 , Visible = 1 , Content = 2 } HierarchySystem.Object System.ValueType System.Enum(System.IComparabl, System.IFormattable , System.IConvertible) DesignerSerializationVisibility Returned ByDesignerSerializationVisibilityAttribute.Visibility , PropertyDescriptor.SerializationVisibility Passed ToDesignerSerializationVisibilityAttribute.DesignerSerializationVisibilityAttribute( ) |