Re: restriction of subelements

Hi,
   Thanks for your help.
 Is there any way of restricting the subelements of an element type. for example in the complexType SLR, I have an element viewFinder of type Viewer.( Viewer is of complexType with  choice of elements "ThroughTheLens" and  "WindowOnTopOfCamera" ).I want the element viewFinder to contain a subelement "ThroughTheLens"only.
 
<xsd:complexType name="SLR">
  <xsd:complexContent>
    <xsd:restriction base="camera:Camera">
      <xsd:sequence>
         <xsd:element name="lens" type="Lens" minOccurs="0" 
maxOccurs="unbounded"/>
         <xsd:element name="viewFinder" type="Viewer" 
fixed="ThroughTheLens" minOccurs="1"             maxOccurs="1"/>
         <xsd:element name="body" type="Body" minOccurs="0" 
maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:restriction>
  </xsd:complexContent>
</xsd:complexType>

I found that assigning a fixed value to viewFinder as above is not a valid way of doing this.
is there any possibility of doing so?.
I need ur help.
 
Thank u,
V.Gayathri.
 


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