[AccessD] Tina's Treeview example

...I use treeview menus in all my desktop apps ...the users love them for 
the same reason you point out.
William

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From: "Gustav Brock" <Gustav at cactus.dk>
Sent: Saturday, February 28, 2009 4:59 PM
To: <accessd at databaseadvisors.com>
Subject: Re: [AccessD] Tina's Treeview example

> Hi Drew
>
> Quite impressive!
>
> I've noticed that quite a few apps now use treeview style menus. Thus - 
> and because I really had no clue how the users would navigate - I used a 
> treeview for my latest app (WinForms) ... somewhat unsure what the users' 
> reaction would be. But they adopted it from day one, and it must have been 
> well thought out because no change has been requested to it. The app has 
> been in use for three months now.
>
> One method I used to "sell" the structure was, that it is very easy to 
> modify and expand. For example, you can walk the tree from different 
> entries with a final destination of nearly the same information - from 
> customer or supplier via orders/supplies to products - while you have a 
> visual indication so you don't loose track of "where you are". This, I've 
> found, is a situation users fear in larger apps - to get lost.
>
> /gustav
>
>
>>>> DWUTKA at marlow.com 28-02-2009 21:51 >>>
> Glad you like it Tina.  I will warn you that the demo I posted for you
> is just the tip of the iceberg when it comes to what you can do with a
> treeview.
>
> A great example is 'HitTest'.  It's a method of the Treeview control,
> where you give it x,y coordinates, and it returns the node at the
> coordinates.  This allows you to create custom behaviors for left and
> right clicks (Mouse Up event gives you the x,y coordinates).  Where you
> could use that in your system, you could actually start the root nodes
> as the Volunteers.  And then have the child nodes be the skills and
> levels.  The normal left click could have you 'check' if the skill nodes
> are built (and if not, build them, so you don't building thousands of
> nodes from the get go...), and the right click could display a popup
> menu such as 'edit volunteer information' or 'create a new skill', etc.
>
> Here's a visual example of one of the most highly used treeviews I have
> built:
>
> http://www.marlow.com/PhoneList.jpg
>
> That screen shot (I blurred the phone numbers...) shows what you can do
> with the image capabilities of a treeview.  I've right clicked my name,
> showing the custom popup menu that displays (based on the node that was
> clicked).  One of the expanded nodes is Currently logged on computers,
> if I expand one of those nodes, it gives me Remote Administrator
> (clicking on that node opens a remote admin session to that machine),
> computer management (clicking on that node opens a computer management
> session to that computer), local drives (expanding that node gives me a
> list of the local drives on that machine, which I can click to open a
> Windows Explorer session to that drive).
>
> All from one treeview!
>
> Good luck with your project (feel free to holler if you have any
> questions about what I did...)!  Next to classes and collections, I've
> found Treeviews to be one of the most powerful tools in a developer's
> arsenal!
>
> Drew
>
>
>
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