C# selected node is null

When the parent node or any ancestor node of the selected node is collapsed either programmatically or through user action, the collapsed node becomes the selected node. Skip to main content. This browser is no longer supported.

Download Microsoft Edge More info. Contents Exit focus mode. Tree View. Selected Node Property Reference Is this page helpful? Please rate your experience Yes No. Accept Solution Reject Solution. So the question is - where are you trying to read it, when are you trying, and exactly how are you doing it? Because C. Posted 8-Dec am OriginalGriff. Member 8-Dec am. Thank you very much!

I used a wrong EventHandler. OriginalGriff 8-Dec am. Add your solution here. OK Paste as. Treat my content as plain text, not as HTML. Existing Members Sign in to your account.

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Is there any way to tell when the selected node can be set? I dont mean testing for null, but what conditions prevent the selectednode from being set? However, I am trying to set the selected node right after my code has finished populating the treeview. Would this be the problem? Is there an event that fires after the treeview has finished populating itself and ready to accept a selectednode?

Here is a pared down version of what I'm trying to do. Form has a single treeeview and a button. Code Snippet Public Class Form1. Object, ByVal e As System. EventArgs Handles Me. End Sub. EventArgs Handles Button1. Find FineMe, True. If TVNodeArr. Exit For. End If. MsgBox "nothing found, cant select". Dim Nodd As TreeNode. Add "F1" , "Fonz 1".

Add "F2" , "Fonz 2". Add "F3" , "Fonzette 3". Add "F4" , "Fonz 4". Add "C1" , "Ralph 1". Add "C2" , "Joanie 2". MsgBox "Treeview. If I remove the TreeView1. Clear line, the code will select the correct node in the 'old' node. But in my real program I have to dynamically re populate the treeview as the user interacts with the other parts of the program. So looking at this, seems that the Node that results from my 'Find' is connected to the 'old' node.

And even if i re-load the treeview with the exact same information, the re-loaded node is somehow different than the old one.