A Simple Solution to Some Problems with Asynchrony in Silverlight

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  <xs:complexType name="ArrayOfCityZipCode">
    <xs:sequence>
      <xs:element minOccurs="0" maxOccurs="unbounded" name="CityZipCode" nillable="true" type="tns:CityZipCode" />
    </xs:sequence>
  </xs:complexType>
  <xs:element name="ArrayOfCityZipCode" nillable="true" type="tns:ArrayOfCityZipCode" />
  <xs:complexType name="CityZipCode">
    <xs:sequence>
      <xs:element minOccurs="0" name="City" nillable="true" type="xs:string" />
      <xs:element minOccurs="0" name="ZipCode" nillable="true" type="xs:string" />
    </xs:sequence>
  </xs:complexType>
  <xs:element name="CityZipCode" nillable="true" type="tns:CityZipCode" />
</xs:schema>