InstrumentSelector

private InstrumentSelector instrumentSelector;
private DependencyObject LoadXAML()
{
    // Note: pageContent (not demonstrated in this example) is the page content of the XAML
    // Find the Instrument selector
    instrumentSelector = LogicalTreeHelper.FindLogicalNode(pageContent, "instrumentSelector") as InstrumentSelector;
    if (instrumentSelector != null)
        instrumentSelector.InstrumentChanged += OnInstrumentChanged;
}
// This method is fired when our instrument selector changes instruments
private void OnInstrumentChanged(object sender, EventArgs e)
{
    Instrument = sender as Cbi.Instrument;
}
// IInstrumentProvider member. Required if you want to use the instrument link mechanism in this Add On window
public Cbi.Instrument Instrument
{
    get { return instrument; }
    set
    {
        instrument = value;
        if (instrumentSelector != null)
            instrumentSelector.Instrument = value;
        // Send instrument to other windows linked to the same color
        PropagateInstrumentChange(value);
    }
}
// NOTE: Don't forget to clean up resources and unsubscribe to events
// Called by TabControl when tab is being removed or window is closed
public override void Cleanup()
{
    // Clean up our resources
    if (instrumentSelector != null)
    {
        instrumentSelector.InstrumentChanged -= OnInstrumentChanged;
    }
    base.Cleanup();