Quick treeview question

[Kay]

Hi all,

I have a treeview, each node's tag has a value. What I'm trying to do is
when a user click on a child node, I want to get the parent's tag value.
The problem i'm having is I don't know whether the selected node has a
parent or not... could u help?

Thanks~

Kay

[Scott M]

Re: Quick treeview question

You could store a reference to the parent in the tag value. That would mean
you'd have to create a custom class to hold the information that you need
AND the parent.

"Kay" <kk@micxsoft.co m> wrote in message
news:O6CHp8G0FH A.2064@TK2MSFTN GP09.phx.gbl...[color=blue]
> Hi all,
>
> I have a treeview, each node's tag has a value. What I'm trying to do is
> when a user click on a child node, I want to get the parent's tag value.
> The problem i'm having is I don't know whether the selected node has a
> parent or not... could u help?
>
> Thanks~
>
> Kay
>[/color]

[Cor Ligthert [MVP]]

Re: Quick treeview question

Kay,
[color=blue]
> I have a treeview, each node's tag has a value. What I'm trying to do is
> when a user click on a child node, I want to get the parent's tag value.
> The problem i'm having is I don't know whether the selected node has a
> parent or not... could u help?
>[/color]

Sometimes it helps to look at MSDN, it is complete exact as you ask
describted here.

http://msdn.microsoft.com/library/de...arentTopic.asp

I hope this helps,

Cor

[Phill. W]

Re: Quick treeview question

"Kay" <kk@micxsoft.co m> wrote in message
news:O6CHp8G0FH A.2064@TK2MSFTN GP09.phx.gbl...
[color=blue]
> The problem i'm having is I don't know whether the selected node
> has a parent or not...[/color]

Every Node has a Parent property that holds a reference to
its immediate Parent Node, or nothing if it's at the root level,
as in :

If Not( tv.SelectedNode .Parent is Nothing ) then
Zap( tv.SelectedNode .Parent.Tag )
End If

(I /think/ it's SelectedNode - might be SelectedItem; haven't got
'Studio to hand at the moment).

HTH,
Phill W.

[Herfried K. Wagner [MVP]]

Re: Quick treeview question

"Phill. W" <P.A.Ward@o-p-e-n-.-a-c-.-u-k> schrieb:[color=blue]
> If Not( tv.SelectedNode .Parent is Nothing ) then
> Zap( tv.SelectedNode .Parent.Tag )
> End If
>
> (I /think/ it's SelectedNode - might be SelectedItem; haven't got
> 'Studio to hand at the moment).[/color]

It's actually 'SelectedNode' :-).

--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://classicvb.org/petition/>

[Kay]

Re: Quick treeview question

Thanks a lot guys!

Cor thanks for remind me that, I tried the VS help (looked into the parent
property) but I didn't get what I need, now I know the online version is
different from the VS help!


"Kay" <kk@micxsoft.co m> wrote in message
news:O6CHp8G0FH A.2064@TK2MSFTN GP09.phx.gbl...[color=blue]
> Hi all,
>
> I have a treeview, each node's tag has a value. What I'm trying to do is
> when a user click on a child node, I want to get the parent's tag value.
> The problem i'm having is I don't know whether the selected node has a
> parent or not... could u help?
>
> Thanks~
>
> Kay
>[/color]

[Cor Ligthert [MVP]]

Re: Quick treeview question

Kay,

I never use the inbuild help anymore.

Here is the other one, sometimes better, sometimes worse.

http://lab.msdn.microsoft.com/searchbeta/

:-)

Cor