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copied!<p>The DeviceConfig property is not needed at the top level. What you <strong>do</strong> need to do is add a property for your <code>ConfigurationElementCollection</code> devices. I would also rename your <code>Devices</code> class something a little less ambiguous, say, <code>DeviceElementCollection</code>. Try this:</p> <pre><code>Public Class DeviceConfig Inherits ConfigurationSection <ConfigurationProperty("Devices")> _ Public ReadOnly Property Devices() As DeviceElementCollection Get Return CType(Me("Devices"), DeviceElementCollection) End Get End Property End Class </code></pre> <p>Then, in your definition for <code>DeviceElementCollection</code>, you may have problems if you don't add the following:</p> <pre><code>Public Overrides ReadOnly Property CollectionType() As System.Configuration.ConfigurationElementCollectionType Get Return ConfigurationElementCollectionType.BasicMap End Get End Property Protected Overrides ReadOnly Property ElementName() As String Get Return "Device" End Get End Property </code></pre> <p>I wrote up a pretty long answer to a similar question (sorry, in C#) <a href="https://stackoverflow.com/questions/1651325/custom-web-config-section-handler/1651677#1651677">here</a>.</p> <p><strong>Update - how to use in code</strong> </p> <pre><code>Dim deviceConfiguration as DeviceConfig = ConfigurationManager.GetSection("deviceconfigs") For Each device As Device in deviceConfiguration.Devices '...whatever you need to do Next </code></pre>

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