补充我有被合并到我的主题下面的ResourceDictionary/Generic.xaml文件WPF ResourceDictionary的项目已经使用ComponentResourceKey
<DataTemplate DataType="{x:Type model:RequirementResourceRelation}" x:Key="{x:Static local:Resources.RequirementResourceRelationListTemplateKey}">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<TextBlock MinWidth="35" HorizontalAlignment="Left" Padding="3,0" Text="{Binding Resource.Name, TargetNullValue=Loading...}" />
<TextBlock Grid.Column="1" Text="-" />
<TextBlock Grid.Column="2" MinWidth="35" HorizontalAlignment="Left" Padding="3,0" Text="{Binding Path=RelationType, TargetNullValue=Loading...}" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" />
</Grid>
</DataTemplate>
<DataTemplate DataType="{x:Type model:RequirementResourceRelation}" x:Key="{x:Static local:Resources.RequirementResourceRelationListTemplate2Key}">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<TextBlock MinWidth="35" HorizontalAlignment="Left" Padding="3,0" Text="{Binding Requirement.Name, TargetNullValue=Loading...}" />
<TextBlock Grid.Column="1" Text="-" />
<TextBlock Grid.Column="2" MinWidth="35" HorizontalAlignment="Left" Padding="3,0" Text="{Binding Path=RelationType, TargetNullValue=Loading...}" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" />
</Grid>
</DataTemplate>
我试图为相同的数据类型与创建两个不同的数据模板不同的ComponentResourceKey。正如你可以看到其中一个键附加了一个2。
在我的本地:资源类我有以下是我正在使用的ComponentResourceKey。
public static ComponentResourceKey RequirementResourceRelationListTemplateKey {
get {
return new ComponentResourceKey(typeof(Resources), "RequirementResourceRelationListTemplate");
}
}
public static ComponentResourceKey RequirementResourceRelationListTemplate2Key {
get {
return new ComponentResourceKey(typeof(Resources), "RequirementResourceRelationListTemplate2");
}
}
这个作品,如果我只在那里的DataTemplates之一,但一旦我添加了第二个,我得到的是说,一个例外:
Item has already been added. Key in dictionary: 'DataTemplateKey(HR.TrackingTool.Model.RequirementResourceRelation)' Key being added: 'DataTemplateKey(HR.TrackingTool.Model.RequirementResourceRelation)'
at System.Collections.Hashtable.Insert(Object key, Object nvalue, Boolean add)
at System.Collections.Hashtable.Add(Object key, Object value)
at System.Windows.ResourceDictionary.SetKeys(IList`1 keyCollection, IServiceProvider serviceProvider)
at System.Windows.ResourceDictionary.SetDeferrableContent(DeferrableContent deferrableContent)
at System.Windows.Baml2006.WpfSharedBamlSchemaContext.<Create_BamlProperty_ResourceDictionary_DeferrableContent>b__168(Object target, Object value)
at System.Windows.Baml2006.WpfKnownMemberInvoker.SetValue(Object instance, Object value)
at MS.Internal.Xaml.Runtime.ClrObjectRuntime.SetValue(XamlMember member, Object obj, Object value)
at MS.Internal.Xaml.Runtime.ClrObjectRuntime.SetValue(Object inst, XamlMember property, Object value)
看来,资源字典忽略的关键时添加一个DataTemplate。 ResourceDictionary在使用ComponentRelationKey时是否忽略关键属性?
任何解决此异常的方法?
谢谢,劳尔
令人敬畏的工作。我已经将此作为bug提交给Microsoft。 https://connect.microsoft.com/VisualStudio/feedback/details/581761/resource-dictionary-ignores-componentresourcekey-when-adding-a-datatemplate?wa=wsignin1.0 – HaxElit 2010-08-02 14:18:27
此错误仍然有效。难以置信!!我将TextBlock的两种样式添加到应用程序资源字典中。陷入这个错误。完全令人沮丧。我想用我的键盘粉碎我的屏幕。微软吹。期。 – 2013-11-19 10:13:53
这就是说,[这](http://stackoverflow.com/questions/2040804/xaml-mergeddictionaries-throwing-xmlparseexception-item-has-already-been-adde)为我解决了它。我失去了太多的头发。 – 2013-11-19 10:19:32