In this situation, I usually do an ancestor lookup in my normal XAML
(i.e views) as Shane says. I typically only do element name referencing
in control templates.
I think it's a matter of personal coding style rather than best
practice.
My two cents,
Carl.
From: [email protected] [mailto:[email protected]]
On Behalf Of Shane Morris (Automatic Studio)
<[email protected]>
Sent: Friday, 28 October 2011 6:09 PM
To: ozWPF <[email protected]>
Cc: ozWPF <[email protected]>
Subject: Re: Child controls as dependency properties
Fair enuf
Shane Morris | Automatic Studio | [email protected] |
+61 438 818 888
On 28/10/2011, at 6:49 PM, "Matt Hamilton" <[email protected]> wrote:
Yeah I think that'll work too. Since the name is (for all
intents and purposes) private to the XAML of the UserControl itself, I
usually do it this way just so the bindings are a bit more readable. I
don't know if there's a perf benefit one way or the other.
From: Shane Morris (Automatic Studio)
<mailto:[email protected]>
Sent: Friday, October 28, 2011 6:42 PM
To: ozWPF <mailto:[email protected]>
Cc: ozWPF <mailto:[email protected]>
Subject: Re: Child controls as dependency properties
You couldn't use an ancestor/relative source binding to find the
parent UC, thus Avoiding having to give the UC a specific name?
Shane
Shane Morris | Automatic Studio |
[email protected] | +61 438 818 888
On 28/10/2011, at 5:35 PM, "Greg Keogh" <[email protected]> wrote:
I generally declare my dependency property as normal,
then bind to it from the UserControl itself. So let's say you had a real
DP called TitleText, I'd do something like:
<UserControl ... x:Name="me">
<TextBlock Text="{Binding TitleText,ElementName=me}"
/>
... so now the owner of the UserControl can set
TitleText and it will be reflected by the child control.
Thanks Matt ... fabulous! I stared at this code for some
time before I realised what was happening. I didn't think of doing it
this way around. You make a typical DP for TitleText then bind the child
control to "its own control". This works, but I have to x:Name the
<UserControl> and bind use that name as the ElementName exactly as you
say.
Cheers, Greg
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