private void HardwareRemoved(IHardware hardware)
{
List<HardwareNode> nodesToRemove = new List<HardwareNode>();
foreach (Node node in root.Nodes) {
HardwareNode hardwareNode = node as HardwareNode;
if (hardwareNode != null && hardwareNode.Hardware == hardware)
nodesToRemove.Add(hardwareNode);
}
foreach (HardwareNode hardwareNode in nodesToRemove) {
root.Nodes.Remove(hardwareNode);
hardwareNode.PlotSelectionChanged -= PlotSelectionChanged;
}
PlotSelectionChanged(this, null);
}