Sorry I'm late to this conversation; I had an early Friday and a long
weekend.
Here's some useful debugging tips for XAML newbies:
. Use the filter ComboBox in the top left corner of Snoop to
"Show only visuals with binding errors". This is sometimes easier than
inspecting the Output window.
. Use a debug converter to debug XAML. This effectively does
nothing but let you set a breakpoint in a binding so that you can see if
its been triggered and inspect the value (and it's type)
public class DebugConverter : IValueConverter
{
#region IValueConverter Members
public object Convert(object value, Type targetType, object
parameter, System.Globalization.CultureInfo culture)
{
return value;
}
public object ConvertBack(object value, Type targetType, object
parameter, System.Globalization.CultureInfo culture)
{
return value;
}
#endregion
}
. Check out Bea Stilnitz's article on other debugging tips
(http://bea.stollnitz.com/blog/?p=52).
o This includes the debug converter, but it's so useful I thought I'd
mention it twice.
Carl.
Carl Scarlett
Senior .NET/WPF Developer, UX Designer | Genesis
IT & Change Management | Bankwest
A: Level 5, 199 Hay Street | Perth | Western Australia | 6004
P: (08) 9449 8451
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E: [email protected]
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From: [email protected] [mailto:[email protected]]
On Behalf Of Matt Evans <[email protected]>
Sent: Monday, 7 March 2011 7:02 AM
To: [email protected]
Subject: RE: Adding ListBoxItems to a listbox programmatically
Peter
I recommend using Snoop, you can use it to examine the visual tree, you
can drill down and see what the data contexts are set to, and it also
shows binding errors.
It's an invaluable tool for wpf development.
http://snoopwpf.codeplex.com/
Matt
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