Re: [Fxruby-users] Listview control

[Carl Y. <ca...@yo...>]

That is exactly what I was looking for.  Thanks for your prompt reply.  
I'm sure I could scour all over the web but I happen to be in a real big 
hurry, so I appreciate your answering the question in a little bit more 
detail.

Hmm, setItemData... Working with this API reminds me a little bit of my 
MFC days...

Carl

Lyle Johnson wrote:

>
> On Dec 14, 2003, at 8:42 PM, Carl Youngblood wrote:
>
>> Never mind.  I guess I need to call appendItem to add to the end of  
>> the list.  But I'm still a little confused by setItemData.  It takes  
>> two parameters, index and data.  What does data contain and how do I  
>> set the values of multiply columns?
>
>
> You can associate with each icon list item a reference to some other  
> Ruby object. Say for example that every row in the icon list 
> represents  a customer, which is represented elsewhere in your 
> application by a  Customer object. Then you can make this association 
> while you're  creating its icon item, e.g.
>
>     theCustomer = customerDatabase.getCustomer(...)
>     iconList.appendItem(theCustomer.name, bigIcon, miniIcon, theCustomer)
>
> You can change this association later using setItemData(), e.g.
>
>     iconList.setItemData(itemIndex, someOtherCustomer)
>
> I'm not sure I understand the second part of your question ("... how 
> do  I set the values of multiple columns?"). Each icon item (i.e. each 
> row  in the list) can be displayed with multiple fields when the list 
> is  configured in details mode. Those fields are specified as the 
> "text" of  the icon item, and each field is separated by tabs. So for 
> example, if  you wanted three columns (with the name, address and 
> phone number of  the customer) you might do something like:
>
>      
> iconList.appendItem("#{theCustomer.name}\t#{theCustomer.address}\t#{theC 
> ustomer.phone}", ...)
>
> If this isn't what you were asking about, please let me know.
>
> Hope this helps,
>
> Lyle
>
>
>