Change the Background color of TreeView

[Sean]

Hi all,

I have a treeview and because I subclass the treeview and
allow multiple selection to be done on the treeview, I
have a problem changing the background color of the
treeview.

The problem is that after I multi-select the treenodes,
and I try to change the background color of the treeview,
those treenodes that have been multi-selected before still
maintain the previous background color. The rest of the
background change prefectly, only the bounds of those
previously selected nodes do not change.

I know that I can loop through all the nodes and change
the background color of the nodes but I don't understand
why this happens? Since everytime I reset the background
color of the nodes, I use the value treeView.BackCo lor.

Any suggestions will be greatly appreciated!
Thank you in advance.



regards,
Sean

[Tom Dacon]

Re: Change the Background color of TreeView

I haven't tried this myself, so no guarantees, but it might be as simple as
invalidating the rectangle that represents the client area of the treeview.
Worth a try?

HTH,
Tom Dacon
Dacon Software Consulting

"Sean" <anonymous@disc ussions.microso ft.com> wrote in message
news:383b01c471 c6$ab5defe0$a50 1280a@phx.gbl.. .[color=blue]
> Hi all,
>
> I have a treeview and because I subclass the treeview and
> allow multiple selection to be done on the treeview, I
> have a problem changing the background color of the
> treeview.
>
> The problem is that after I multi-select the treenodes,
> and I try to change the background color of the treeview,
> those treenodes that have been multi-selected before still
> maintain the previous background color. The rest of the
> background change prefectly, only the bounds of those
> previously selected nodes do not change.
>
> I know that I can loop through all the nodes and change
> the background color of the nodes but I don't understand
> why this happens? Since everytime I reset the background
> color of the nodes, I use the value treeView.BackCo lor.
>
> Any suggestions will be greatly appreciated!
> Thank you in advance.
>
>
>
> regards,
> Sean[/color]

[Guest]

Re: Change the Background color of TreeView

Hi Tom,

Thank you for your reply.
I have tried Invalidate, Refresh and Update
but none of them worked... :(


regards,
Sean
[color=blue]
>-----Original Message-----
>I haven't tried this myself, so no guarantees, but it[/color]
might be as simple as[color=blue]
>invalidating the rectangle that represents the client[/color]
area of the treeview.[color=blue]
>Worth a try?
>
>HTH,
>Tom Dacon
>Dacon Software Consulting
>
>"Sean" <anonymous@disc ussions.microso ft.com> wrote in[/color]
message[color=blue]
>news:383b01c47 1c6$ab5defe0$a5 01280a@phx.gbl. ..[color=green]
>> Hi all,
>>
>> I have a treeview and because I subclass the treeview[/color][/color]
and[color=blue][color=green]
>> allow multiple selection to be done on the treeview, I
>> have a problem changing the background color of the
>> treeview.
>>
>> The problem is that after I multi-select the treenodes,
>> and I try to change the background color of the[/color][/color]
treeview,[color=blue][color=green]
>> those treenodes that have been multi-selected before[/color][/color]
still[color=blue][color=green]
>> maintain the previous background color. The rest of the
>> background change prefectly, only the bounds of those
>> previously selected nodes do not change.
>>
>> I know that I can loop through all the nodes and change
>> the background color of the nodes but I don't understand
>> why this happens? Since everytime I reset the background
>> color of the nodes, I use the value treeView.BackCo lor.
>>
>> Any suggestions will be greatly appreciated!
>> Thank you in advance.
>>
>>
>>
>> regards,
>> Sean[/color]
>
>
>.
>[/color]