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I have form showing treeview that treeview preview some folders, subfolders and files from the hard drive like the following example :

TreeView

how to change the names of the nodes in the treeview without changing the source folder name

I mean that I need to change the node name just in the form for example, a node named "debug" show to the user like "XXX" but the folder still named debug

Gareth
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Mohamed Magdy Elsayed
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    Find the node you want to change, and then do `node.Text = "XXX"`. – Neil Apr 17 '19 at 09:54
  • at first i to thank you for your fast response @Neil but i am an beginner can you tell me how to find an specific node programmatecly – Mohamed Magdy Elsayed Apr 17 '19 at 10:10
  • I usually create my own custom TreeNode (MyTreeNode) class which inheirts the standard TreeNode. Then add a property for Pathname so the Node has both the Display Name and the Path Name. – jdweng Apr 17 '19 at 10:29
  • @jdweng ok if i want to preview c:/ partion folders and files in at treeview with changing some folder names in treeview only without change the folder name in c:/ can you share with me code example – Mohamed Magdy Elsayed Apr 17 '19 at 10:33
  • Did you create a MyTreeNode? Store Pathname as property Name. Next put for Custom Property Display Name what you want to display in GUI. then change you code to disply GUI to use Display Name instead of Name. – jdweng Apr 17 '19 at 10:44

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First of all, I can't tell if you are using Windows Forms or WPF, so I'm going to explain it for Windows Forms.

Make a ContextMenuStrip, then make a DropdownItem with the text being Rename

Next, double-click the item; this will open the Form.cs of the Form containing the TreeView

Now, make a new form, by clicking the Project button, which is located in the top-bar of Visual Studio, (Which I assume you are using) and click Add Windows Form - This will open a window asking what name the Form should be.

Next, after adding the new form, create a TextBox on the new Form, and a Button, with the text being Rename

Okay, now that we've covered that part, go back to the Form.cs and navigate to the rename_Click() event. (I'm sure that the event name isn't actually rename_Click(), it's just an example)

Now, put this code in between the curly brackets(Code Block):

renameForm rf = new renameForm();
rf.ShowDialog();

OKAY! Now, we need to head back to the other Form we created earlier. Open the Form.cs of the earlier created Form, and scroll to the top. Before the public Form() event, type:

public static string newName = "";

So! When the parent Form that contains our ContextMenuStrip and TreeView opens our second Form

But, now, we will need to send data back, right?

Go back to the rename_Click() in the parent Form, the one that contains our TreeView and ContextMenuStrip, and before the rf.ShowDialog();, add:

rf.FormClosed += rename_Closed;

you may need to press TAB to create the event if it does not already exist

In the second Form, containing our TextBox and Button, double-click the Button, and open the Form.cs

Inside of the curly brackets(Code Block) of the button_Click(), add:

 newName = textBox1.Text;

Then, inside of the curly brackets(Code Block) of rename_Closed(), add:

treeView1.SelectedNode.Text = renameForm.newName;

This should create a simple, but effective rename system.

Hope it helps you :)

Momoro
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