Solved

adding a node to the selected node of a treeview

Posted on 2010-11-10
5
908 Views
Last Modified: 2013-12-17
Hi,

I have this:

But i get the errors at line 7:
->The best overloaded method match for 'System.Windows.Forms.TreeNodeCollection.Add(string, string)' has some invalid arguments
->Argument 1: cannot convert from 'System.Windows.Forms.TreeNode' to 'string'      

Who can help me?

P      
string NewText = "";
            if (InputBox.Show("New Folder", "Folder Name", ref NewText, validation) == DialogResult.OK)
            {
                TreeNode n = new TreeNode();
               // MessageBox.Show(NewText);
                TreeNode n2 = tvNotes.SelectedNode;
                n.Nodes.Add(n2, NewText);
            }

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0
Comment
Question by:peterkiers
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5 Comments
 
LVL 7

Expert Comment

by:mkobrin
ID: 34099996
Try
n.Nodes.Add(n2.ToString(), NewText);
or
n.Nodes.Add(Convert.ToString(n2), NewText);
or
n.Nodes.Add(n2.Text, NewText);
0
 
LVL 7

Assisted Solution

by:mkobrin
mkobrin earned 200 total points
ID: 34100007
Or if you want to add the node itself then
n.Nodes.Add(n2);
0
 
LVL 1

Author Comment

by:peterkiers
ID: 34100030
I have this now, its error free but it does not work:


            string NewText = "";
            if (InputBox.Show("New Folder", "Folder Name", ref NewText, validation) == DialogResult.OK)
            {
                TreeNode n = new TreeNode();
                TreeNode n2 = tvNotes.SelectedNode;
                n.Nodes.Add(n2.Text, NewText);
            }

Do you know perhaps why?

p.
0
 
LVL 52

Accepted Solution

by:
Carl Tawn earned 300 total points
ID: 34100047
You want to add a new node to the selected node. At the moment you're creating a new node (that isn't part of the tree) and adding to it.

You want to be doing something like:
TreeNode n2 = tvNotes.SelectedNode;
n2.Nodes.Add(NewText);

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0
 
LVL 1

Author Comment

by:peterkiers
ID: 34100063
Oke thanx.
0

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