/// <summary>
/// Add a LockPosition for each node whose position you want to keep fixed. LockPosition allows you to,
/// for example, do interactive mouse dragging.
/// We return the LinkedListNode which you can store together with your local Node object so that a RemoveLock operation can be performed in
/// constant time.
/// </summary>
/// <param name="node"></param>
/// <param name="bounds"></param>
/// <param name="weight">stay weight of lock</param>
/// <returns>LinkedListNode which you should hang on to if you want to call RemoveLock later on.</returns>
public LockPosition CreateLock(Node node, Rectangle bounds, double weight)
{
LockPosition lp = new LockPosition(node, bounds, weight);
lp.listNode = locks.AddLast(lp);
return(lp);
}
public void RemoveLock(LockPosition lockPosition)
{
ValidateArg.IsNotNull(lockPosition, "lockPosition");
if (lockPosition.listNode != null)
{
lockPosition.RestoreNodeWeight();
try {
locks.Remove(lockPosition.listNode);
} catch (InvalidOperationException e) {
Console.WriteLine("Problem in FastIncrementalLayoutSettings.RemoveLock " + e.Message);
}
lockPosition.listNode = null;
}
}
