<xsd:extension> Element (simpleContent)
.NET Framework 4.5
Contains extensions on simpleContent. This extends a simple type or a complex type that has simple content by adding specified attribute(s), attribute group(s), or anyAttribute.
<extension
base = QName
id = ID
{any attributes with non-schema Namespace}...>
Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))
</extension>
Attributes
- base
- The name of a built-in data type, simpleType element, or complexType which has simple content. The base value must be a qualified name (QName). Required.
- id
- The ID of this element. The id value must be of type ID and be unique within the document containing this element. Optional.
Element Information
|
Number of occurrences |
One time |
|
Parent elements |
|
|
Contents |
Example
The following example extends a defined simpleType by adding an enumerated attribute.
<xs:simpleType name="mountainBikeSize"> <xs:restriction base="xs:string"> <xs:enumeration value="small" /> <xs:enumeration value="medium" /> <xs:enumeration value="large" /> </xs:restriction> </xs:simpleType> <xs:complexType name="FamilyMountainBikes"> <xs:simpleContent> <xs:extension base="mountainBikeSize"> <xs:attribute name="familyMember"> <xs:restriction base="xs:string"> <xs:enumeration value="child" /> <xs:enumeration value="male" /> <xs:enumeration value="female" /> </xs:restriction> </xs:attribute> </xs:extension> </xs:simpleContent> </xs:complexType>
Other Resources
For more information see the W3C XML Schema Part 1: Structures Recommendation document on the W3C Web site.
See Also
Build Date:
