Re: generic List<>

Ahhh, simple enough.  Thanks, Efran.


> -----Original Message-----
> From: Discussion relating to the specifics of the C# and
> Managed C++ languages [mailto:[email protected]]
> On Behalf Of Efran Cobisi
> Sent: Wednesday, August 30, 2006 10:07 AM
> To: [email protected]
> Subject: Re: [DOTNET-CX] generic List<>
>
> Nope. By design you are not allowed to make any changes to
> the collection you are iterating.
> The workaround for this depends on the situation. For most
> scenarios, you could just copy the references of the objects
> you wish to be deleted in another collection and then, while
> iterating the latter, delete these objects from the former.
>
> List<myObject> myTemp = new List<myObject>();
>
> foreach (MyObject mo in myObjects)
> {
>     if (mo.CanBeRemoved==true)
>         myTemp.Add(mo);
> }
>
> foreach (MyObject mo in myTemp)
>         myObjects.Remove(mo);
>
>
> HTH
>
> Efran Cobisi, cobisi.com
>
> Peter Osucha wrote:
> > I have a generic List<myObject> collection 'myObjects'.  MyObject
> > instances have a bool property 'CanBeRemoved'.
> >
> > But apparently, it is invalid to
> >
> > foreach (MyObject mo in myObjects)
> > {
> >     if (mo.CanBeRemoved==true) myObjects.Remove(mo); }
> >
> > Is there a way to remove items from such collection while looping
> > through the collection?
> >
> > Peter

===================================
This list is hosted by DevelopMentor®  http://www.develop.com

View archives and manage your subscription(s) at http://discuss.develop.com