I have some nodes in a TreeView...I populate them.
After they're all populated I add another node, "Offline." I need to move every item under the other Nodes into my final Offline node. Any suggestions?

Iterate over them, remove them from their parents, and set their new parents to the offline node?

Really shouldn't be terribly difficult....

Parent is a read only property

It's ok, I did the iteration Remove and Insert loop.

[quote author=Noodlez link=topic=17155.msg174678#msg174678 date=1194469222]
Parent is a read only property
[/quote]
Assuming:
Root
- Buddies
--MyndFyre
--Noodlez
-Co-workers
--Justin
--Ryan
--Jeff
--Steve
-Offline
[code]
int currentIndex = 0;
TreeNode offlineNode = whatever; // you need to have a reference to the offline node for the following code to work
// this code also assumes that you have one root node.  You'll have to adapt it for multiple.
while (currentIndex < rootNode.ChildNodes.Count)
{
 TreeNode currentNode = rootNode.ChildNodes[currentIndex];
 if (currentNode != offlineNode)
 {
   rootNode.ChildNodes.Remove(currentNode);
   offlineNode.ChildNodes.Add(currentNode);
 }
 else
 {
   currentIndex++;
 }
}
[/code]

You can't use a foreach because you're going to change the collection you're iterating over while you're looping, so you have to use a for, while, or do-while.  A for loop is inappropriate because you don't necessarily want to increment each time.