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我正在开发一个 C# MEF/Caliburn.Micro 应用程序，该应用程序有一些用于样式、颜色等的资源字典。我正在尝试为每种样式提供自己的文件，但我遇到了基于样式的问题关于其他资源字典中的样式。所有应用程序范围的资源都存在于Infastructure项目中，它们合并到App.xaml.

这是我的解决方案布局：

Solution

  ->Shell
    App.xaml
    (other shell-related files)

  ->Infastructure
    ->ResourceDictionaries
      ->Brushes
          DefaultColorTheme.xaml
      ->ControlStyles
          ButtonStyle.xaml
          DeleteButtonStyle.xaml
          EditButtonStyle.xaml
      ResourceLibrary.xaml

ResourceLibrary.xaml 是 ResourceDictionaries 文件夹中所有资源字典的合并。

资源库.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<ResourceDictionary.MergedDictionaries>
  <ResourceDictionary Source="Brushes/DefaultColorTheme.xaml"/>
  <ResourceDictionary Source="ControlStyles/ButtonStyle.xaml"/>
  <ResourceDictionary Source="ControlStyles/DeleteButtonStyle.xaml"/>
  <ResourceDictionary Source="ControlStyles/EditButtonStyle.xaml"/>
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>

ResourceLibrary.xaml 被合并到 App.xaml

应用程序.xaml

<Application...
         >
<Application.Resources>
  <ResourceDictionary>
     <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="/Infastructure;component/ResourceDictionaries/ResourceLibrary.xaml"/>
        <ResourceDictionary>
           <local:Bootstrapper x:Key="Bootstrapper"/>
        </ResourceDictionary>
        </ResourceDictionary.MergedDictionaries>
  </ResourceDictionary>
 </Application.Resources>
</Application>

ButtonStyle.xaml 包含我的目标主按钮样式ButtonBase，以及将主按钮样式应用于Button和ToggleButton

按钮样式.xaml

<Style x:Key="ButtonStyle" TargetType="{x:Type ButtonBase}">
  ...
</Style>

<Style BasedOn="{StaticResource ButtonStyle}" TargetType="{x:Type Button}"/>
<Style BasedOn="{StaticResource ButtonStyle}" TargetType="{x:Type ToggleButton}"/>

这工作正常。get 中的所有Buttons 和ToggleButtons 都应用了该样式。

我还有另外两种在应用程序中大量使用的按钮样式，DeleteButtonStyle并且EditButtonStyle需要基于ButtonStyle. 这是来自 DeleteButtonStyle.xaml 的代码片段。EditButtonStyle 类似。

<Style x:Key="DeleteButtonStyle" TargetType="{x:Type ButtonBase}" BasedOn="{StaticResource ButtonStyle}">
 ....
</Style>

一切都在设计时有效。按钮获取ButtonStyle样式，明确标记为的按钮...Style="{DynamicResource DeleteButtonStyle}"...获取DeleteButtonStyle应用到它们的样式。但是，在运行时，我总是遇到以下异常：

System.Windows.Markup.XamlParseException occurred
 HResult=-2146233087
 Message='Provide value on 'System.Windows.Markup.StaticResourceHolder' threw an exception.' Line number '4' and line position '35'.
  Source=PresentationFramework
  LineNumber=4
  LinePosition=35
  StackTrace:
    at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri)
    at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri)
    at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream)
    at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator)
    ...
 InnerException: 
   HResult=-2146233088
   Message=Cannot find resource named 'ButtonStyle'. Resource names are case sensitive.
   Source=PresentationFramework
   StackTrace:
        at System.Windows.StaticResourceExtension.ProvideValueInternal(IServiceProvider serviceProvider, Boolean allowDeferredReference)
        at System.Windows.StaticResourceExtension.ProvideValue(IServiceProvider serviceProvider)
        at MS.Internal.Xaml.Runtime.ClrObjectRuntime.CallProvideValue(MarkupExtension me, IServiceProvider serviceProvider)
   InnerException:

如果我移动DeleteButtonStyle并EditButtonStyle进入ButtonStyle（ButtonStyle.xaml）所在的同一个文件，就像这样

<Style x:Key="ButtonStyle" TargetType="{x:Type ButtonBase}">
  ...
</Style>

<Style BasedOn="{StaticResource ButtonStyle}" TargetType="{x:Type Button}"/>
<Style BasedOn="{StaticResource ButtonStyle}" TargetType="{x:Type ToggleButton}"/>

<Style x:Key="DeleteButtonStyle" TargetType="{x:Type ButtonBase}" BasedOn="{StaticResource ButtonStyle}">
 ....
</Style>
<Style x:Key="EditButtonStyle" TargetType="{x:Type ButtonBase}" BasedOn="{StaticResource ButtonStyle}">
 ....
</Style>

然后一切正常。

如何将依赖于其他样式的样式分离到自己的资源字典中？

4

1 回答 1

1

在你DeleteButtonStyle和EditButtonStyle

  <ResourceDictionary Source="ControlStyles/DeleteButtonStyle.xaml"/>
  <ResourceDictionary Source="ControlStyles/EditButtonStyle.xaml"/>

您必须再次显式合并ResourceDictionary两个文件内部才能加载ButtonStyle.

所以

<ResourceDictionary>
     <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="/Infastructure;component/ResourceDictionaries/ButtonStyle.xaml"/>
     </ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
于 2014-09-23T18:38:06.997 回答