WP7 Mango：重新模板 PhoneApplicationFrame 创建了“未指定错误”例外
以下内容曾经在 WP 7.0 中工作：
我尝试使用以下 Xaml 在我的 Mango beta 2 刷新 (7712) 项目中重新模板化根 PhoneApplicationFrame：
<Style TargetType="phone:PhoneApplicationFrame" x:Key="FrameStyle">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate>
<Border x:Name="ClientArea" HorizontalAlignment="{TemplateBinding HorizontalAlignment}" VerticalAlignment="{TemplateBinding VerticalAlignment}" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" >
<Grid>
<ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="{TemplateBinding Padding}" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}" />
<toolkit:PerformanceProgressBar IsIndeterminate="True" VerticalAlignment="Top" Margin="0,8,0,0" Visibility="{Binding Path=GlobalProgressVisibility, Source={StaticResource RootFrameViewModel}}" />
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
当应用程序启动时，我收到一个 App.UnhandledException ，其中包含文本“未指定”错误”并且没有堆栈跟踪。有人见过这个吗？
The following used to work in WP 7.0:
I'm attempting to re-template the root PhoneApplicationFrame in my Mango beta 2 refresh (7712) project with the following Xaml:
<Style TargetType="phone:PhoneApplicationFrame" x:Key="FrameStyle">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate>
<Border x:Name="ClientArea" HorizontalAlignment="{TemplateBinding HorizontalAlignment}" VerticalAlignment="{TemplateBinding VerticalAlignment}" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" >
<Grid>
<ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="{TemplateBinding Padding}" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}" />
<toolkit:PerformanceProgressBar IsIndeterminate="True" VerticalAlignment="Top" Margin="0,8,0,0" Visibility="{Binding Path=GlobalProgressVisibility, Source={StaticResource RootFrameViewModel}}" />
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
When the application launches I get an App.UnhandledException with the text "Unspecified error" and no stack trace. Has anyone seen this?
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Blend 有助于指出一些不应在 Mango 中设置的属性。删除 Content 和 ContentTemplate 属性解决了该问题。
Blend was helpful in pointing out some properties that shouldn't be set in Mango. Removing the Content and ContentTemplate properties fixed the issue.
我无法准确重现您的问题，但我在重新模板列表框时遇到了同样的错误。
尝试在 ControlTemplate 上设置 TargetType 属性（对我有用）：
I can't reproduce exactly your problem, but I had the same error retemplating a listbox.
Try setting the TargetType property on the ControlTemplate (worked for me) :