<?xml version="1.0"?>
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" 
           xmlns:xs="http://www.w3.org/2001/XMLSchema">


    <xs:element name="SCWKBRegistration" type="KBRegistrationType"/>

    <!-- -->
    <!-- KB Registration Type -->
    <!-- -->
    <xs:complexType name="KBRegistrationType">
        <xs:sequence>
            <xs:element name="Core" type="KBSetType" 
                        minOccurs="1" maxOccurs="1"/>
            <xs:element name="Custom" type="KBSetType" 
                        minOccurs="0" maxOccurs="1"/>
        </xs:sequence>
        <xs:attribute name="OSMajorVersion" type="xs:integer" use="required"/>
        <xs:attribute name="OSMinorVersion" type="xs:integer" use="required"/>
        <xs:attribute name="ServicePackMajorVersion" type="xs:integer" use="required"/>
        <xs:attribute name="ServicePackMinorVersion" type="xs:integer" use="required"/>
    </xs:complexType>

    <!-- -->
    <!-- KB Set Type -->
    <!-- -->
    <xs:complexType name="KBSetType">
        <xs:sequence>
            <xs:choice minOccurs="0" maxOccurs="unbounded">
                <xs:element name="KB" type="KBType" 
                            minOccurs="0" maxOccurs="unbounded"/>
                <xs:element name="DynamicKB" type="DynamicKBType" 
                            minOccurs="0" maxOccurs="unbounded"/>
            </xs:choice>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="KBType">
        <xs:attribute name="Name" type="xs:string" use="required"/>
    </xs:complexType>

    <xs:complexType name="DynamicKBType">
        <xs:attribute name="Name" type="xs:string" use="required"/>
        <xs:attribute name="DLLPath" type="xs:string" use="required"/>
        <xs:attribute name="FunctionName" type="xs:string" use="required"/>
    </xs:complexType>

</xs:schema>