Re: Popup Menus in Listbox Cells

[Karen <keatk@verizon.net>]

On Jun 29, 2009, at 9:45 AM, Robert Steely wrote:

> I suppose, I could put text in the cell telling the user to <click  
> here to
> add item> and then bring up a separate dialog allowing the user to  
> select a
> valid entry from a listbox, but that doesn't seem very elegant or  
> efficient
> to me.
>
> How have others solved this problem?
This is easy to do.

Draw a disclosure widget (Filled triangle) say at the left side of  
the cell (or in a column next to it with just the widget). On  
MouseDown check if the user clicked in it. If they did, show a  
contextual(popup) menu at that spot. In the language reference see  
MenuItem and MenuItem.Popup. You can even make popup menu hierarchical.
Doing it yourself will help you learn RB and the listbox better.

- Karen




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