You can use two recursive extension methods. You can either call myTreeView.GetAllNodes()
or myTreeNode.GetAllNodes()
:
public static List<TreeNode> GetAllNodes(this TreeView _self)
{
List<TreeNode> result = new List<TreeNode>();
foreach (TreeNode child in _self.Nodes)
{
result.AddRange(child.GetAllNodes());
}
return result;
}
public static List<TreeNode> GetAllNodes(this TreeNode _self)
{
List<TreeNode> result = new List<TreeNode>();
result.Add(_self);
foreach (TreeNode child in _self.Nodes)
{
result.AddRange(child.GetAllNodes());
}
return result;
}