[WPF] ExceptionValidationRule doesn't react to exceptions...
Posted
by Darmak
on Stack Overflow
See other posts from Stack Overflow
or by Darmak
Published on 2010-04-30T21:54:42Z
Indexed on
2010/04/30
21:57 UTC
Read the original article
Hit count: 216
Hi, I have an ExceptionValidationRule
on my TextBox:
<Window.Resources>
<Style x:Key="textStyleTextBox" TargetType="TextBox">
<Style.Triggers>
<Trigger Property="Validation.HasError" Value="true">
<Setter Property="ToolTip" Value="{Binding RelativeSource={RelativeSource Self}, Path=(Validation.Errors)[0].ErrorContent}" />
</Trigger>
</Style.Triggers>
</Style>
</Window.Resources>
<TextBox x:Name="myTextBox"
{Binding Path=MyProperty, ValidatesOnExceptions=True}"
Style="{StaticResource ResourceKey=textStyleTextBox}" />
and MyProperty
looks like that:
private int myProperty;
public int MyProperty
{
get { return myProperty; }
set
{
if(value > 10)
throw new ArgumentException("LOL that's an error");
myProperty = value;
}
}
In DEBUG
mode, application crashes with unhandled exception "LOL that's an error"
(WPF Binding Engine doesn't catch this and I think it should...).
In RELEASE
mode, everything works fine.
Can someone tell me, why the hell is this happening? And how can I fix this?
© Stack Overflow or respective owner