try
   {
    for(int i=1;i<schemas.Count;i++)
    {
     vr.Schemas.Add( null, new XmlTextReader( (Stream)schemas[i] ) );
    }

    vr.ValidationEventHandler += new System.Xml.Schema.ValidationEventHandler(ValidationEventHandler);
   
    while( vr.Read() );
    return isValid;
   }
                        finally
   {
    vr.Close();
   }
  }

  /// <summary>
  /// Contains the validation errors encountered in the last validation operation.
  /// </summary>
  public ValidationEventArgs[] Errors
  {
   get
   {
    return (ValidationEventArgs[])errors.ToArray(typeof(ValidationEventArgs) );
   }
  }

  /// <summary>
  /// Helper method to capture the event handlers.
  /// </summary>
  /// <param name="sender">The sender of the event.</param>
  /// <param name="e">The information about the event.</param>
  private void ValidationEventHandler(object sender, System.Xml.Schema.ValidationEventArgs e)
  {
   errors.Add( e );
   if ( e.Severity == XmlSeverityType.Warning )
   {
    return;
   }
   isValid = false;
  }

  #endregion
 }
}

使用：

  /// <summary>
  /// Download and validates the manifest using the Uri location.
  /// </summary>
  /// <param name="type">The type that represents the manifest class.</param>
  /// <param name="location">The location of the manifest.</param>
  /// <param name="schemaResource">The resource where the embedded XSD resides in the assembly.</param>
  /// <returns>The Manifest instance.</returns>
  [SecurityPermission(SecurityAction.Demand, SerializationFormatter=true)]
  private object ValidateAndDeserialize( Type type, Uri location, string schemaResource )
  {
   object result = null;
   try
   {
    string doc = DownloadFile( location );
    using ( Stream schema = Assembly.GetExecutingAssembly().GetManifestResourceStream( schemaResource ) )
    {
     SchemaValidator validator = new SchemaValidator( doc, schema );
     if ( !validator.Validate() )
     {
      Logger.LogAndThrowException( new ApplicationUpdaterException( Resource.ResourceManager[ Resource.MessageKey.ManifestSchemaError, location, schemaResource ] ) );
     }