c#委托的一个应用

for (int i = 0; i < nodeCount; i++)
{
    if (tunnelList[sphere.SphereSN, i] == 1)
    {
        tubesConnectToNode.Add(tubeList.Find(tube => tube.NodeSN1 == sphere.SphereSN && tube.NodeSN2 == i));
    }
    if (tunnelList[i, sphere.SphereSN] == 1)
    {
        tubesConnectToNode.Add(tubeList.Find(tube => tube.NodeSN1 == i && tube.NodeSN2 == sphere.SphereSN));
    }
}

tubesConnectToNode =tubeList.FindAll(delegate(InteractiveTubeVisual3D tube) { return tube.NodeSN1==sphere.SphereSN||tube.NodeSN2==sphere.SphereSN; });