.NET Framework 4.6 and 4.5
The DesignerSerializationVisibilityAttribute type exposes the following members.
|Content||Specifies that a serializer should serialize the contents of the property, rather than the property itself. This field is read-only.|
|Default||Specifies the default value, which is Visible, that is, a visual designer uses default rules to generate the value of a property. This static field is read-only.|
|Hidden||Specifies that a serializer should not serialize the value of the property. This static field is read-only.|
|Visible||Specifies that a serializer should be allowed to serialize the value of the property. This static field is read-only.|