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Expand all parent nodes of a specific node in C# treeview


So as @Vlad suggested, I changed my foreach to this:

foreach (var node in
nodes.OfType<RadTreeNode>().ToArray())

And now everything works fine. :)


Categories : C#

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How to get index of all the nodes in a TreeView?
The following method allows you to traverse through a tree: public static IEnumerable<T> Traverse<T>( this IEnumerable<T> source , Func<T, IEnumerable<T>> childrenSelector) { var stack = new Stack<T>(source); while (stack.Any()) { var next = stack.Pop(); yield return next; foreach (var child in childrenSelector(next))

Categories : C#
VB.NET treeview error add second child nodes
hmm, You seem to get duplicate Keys. Try this: If mROC("parentCode").Value = "" Then srcTv.Nodes.Add(mROC("code").Value & "A", tmpStr) Else Dim TNode() As TreeNode = srcTv.Nodes.Find(mROC("parentCode").Value & "A", True) Dim sKey As String = mROC("code").Value If srcTv.Nodes.Find(sKey & "A", True) Is Nothing Then

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Strange selection behavior of TreeView nodes
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Categories : C#
How to automatically expand all nodes of a PreferenceManager
If you create a subclass of PreferenceDialog you can override the createTreeViewer method and set the auto expand level: @Override protected TreeViewer createTreeViewer(final Composite parent) { TreeViewer viewer = super.createTreeViewer(parent); viewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS); return viewer; }

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Finding Paths with Neo4j Cypher Below a Given Length, but Excluding Those with an Nodes with a Specific Property set to a Specific Value
I think this does what I want: MATCH path=(topic: attribute)-[rel:describedBy|influences]-(node: attribute) WHERE id(topic) IN [128204] RETURN DISTINCT extract(r IN rels(path) | r) UNION MATCH path=(topic: attribute)-[rel1: describedBy|influences]-(intermediate: attribute)-[rel2: describedBy|influences]-(node: attribute) WHERE id(topic) IN [128204] AND NOT intermediate.key in ['enrichment', 'clas

Categories : Neo4j
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