How do I know my collection was modified?

[Steve Barnett]

I have a user control that includes a StringCollection. I provide my users
with a property that retrieves a reference to the string collection so they
can add and remove items from it, just as you would do if this were, for
example, a listbox.

What I can't see is any way for my user control to detect that the
StringCollection was modified. Is there any way (short of overriding all the
methods) that I can be informed if the collection is modified so I can
redraw my control?

Thanks
Steve

[Claes Bergefall]

Doesn't look like you can. I would inherit a new class from
System.Collections.ObjectModel.Collection<Tinstead . That one has proteced
methods that you can override to handle insert, remove and set.

/claes
"Steve Barnett" <no****@nodomain.comwrote in message
news:eY**************@TK2MSFTNGP06.phx.gbl...

>I have a user control that includes a StringCollection. I provide my users
with a property that retrieves a reference to the string collection so they
can add and remove items from it, just as you would do if this were, for
example, a listbox.

What I can't see is any way for my user control to detect that the
StringCollection was modified. Is there any way (short of overriding all
the methods) that I can be informed if the collection is modified so I can
redraw my control?

Thanks
Steve

[Steve Barnett]

Much appreciated - I thought it was just me being dumb. I'll go with your
suggestion.

Thanks
Steve
"Claes Bergefall" <lo*****@nospam.nospamwrote in message
news:eo****************@TK2MSFTNGP04.phx.gbl...

Doesn't look like you can. I would inherit a new class from
System.Collections.ObjectModel.Collection<Tinstead . That one has
proteced methods that you can override to handle insert, remove and set.

/claes
"Steve Barnett" <no****@nodomain.comwrote in message
news:eY**************@TK2MSFTNGP06.phx.gbl...

>>I have a user control that includes a StringCollection. I provide my users
with a property that retrieves a reference to the string collection so
they can add and remove items from it, just as you would do if this were,
for example, a listbox.

What I can't see is any way for my user control to detect that the
StringCollection was modified. Is there any way (short of overriding all
the methods) that I can be informed if the collection is modified so I
can redraw my control?

Thanks
Steve

[Ben Voigt]

"Steve Barnett" <no****@nodomain.comwrote in message
news:O8**************@TK2MSFTNGP06.phx.gbl...

Much appreciated - I thought it was just me being dumb. I'll go with your
suggestion.

Thanks
Steve
"Claes Bergefall" <lo*****@nospam.nospamwrote in message
news:eo****************@TK2MSFTNGP04.phx.gbl...

>Doesn't look like you can. I would inherit a new class from
System.Collections.ObjectModel.Collection<Tinstea d. That one has
proteced methods that you can override to handle insert, remove and set.

/claes

You may try BindingList<Tinstead, and subscribe to the ListChanged event