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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

And now everything works fine. :)

Categories : C#

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

Categories : Vb.Net
Strange selection behavior of TreeView nodes
Figured this out. TreeView appears to create a TreeViewItem for each node by itself, so when creating your HierarchicalDataTemplate, you do not need to embed TreeViewItem inside it, else WPF will wrap your TreeViewItem inside its own TreeViewItem, thereby confusing the selection mechanism. Simply put a TextBlock (or maybe StackPanel or some other container if you have complex node structure) in yo

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; }

Categories : Java
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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