如何仅使用 XAML 将资源从树视图绑定到 flowdocumentreader?
这次我正在开发一个帮助窗口迷你应用程序(包括在另一个项目中,即图像编辑应用程序)。
我有一个带有两列的网格,中间有一个网格分割器。左侧有一个包含多个节点的树视图(在 XAML 中设置),右侧有一个 flowdocumentreader。
我有大约 10 个资源词典,我在其中保存文档,每个节点一个,我想在我的 flowdocumentreader 中显示它们。我实际上不知道如何绑定它!有人知道我该怎么做吗?到目前为止我的代码(只添加了一个资源字典)
<Window.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary x:Name="About" Source="About.xaml"/>
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Window.Resources>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="auto"/>
<ColumnDefinition Width="auto"/>
<ColumnDefinition Width="500"/>
</Grid.ColumnDefinitions>
<GridSplitter HorizontalAlignment="Right"
VerticalAlignment="Stretch"
Grid.Column="1" ResizeBehavior="PreviousAndNext" ResizeDirection="Columns"
Width="5" Background="#FFBCBCBC"/>
<TreeView Width="250" Grid.Column="0" FontFamily="Segoe UI" FontSize="16">
<TreeViewItem Header="Help">
<TreeViewItem Header="About the application"></TreeViewItem>
<TreeViewItem Header="Getting started"></TreeViewItem>
<TreeViewItem Header="Images from Flickr"></TreeViewItem>
<TreeViewItem Header="Images from the computer"></TreeViewItem>
<TreeViewItem Header="Images from the browser"></TreeViewItem>
<TreeViewItem Header="Editing">
<TreeViewItem Header="Open and Save"></TreeViewItem>
<TreeViewItem Header="Uploading"></TreeViewItem>
<TreeViewItem Header="Crop"></TreeViewItem>
<TreeViewItem Header="Resize"></TreeViewItem>
<TreeViewItem Header="Filters"></TreeViewItem>
<TreeViewItem Header="Adding text"></TreeViewItem>
<TreeViewItem Header="Remove red eyes"></TreeViewItem>
</TreeViewItem>
</TreeViewItem>
</TreeView>
<FlowDocumentReader Grid.Column="2" >
</FlowDocumentReader>
</Grid>
This time I am working on a help-window mini-application (to include in the other project, the imageediting application).
I have a grid with two columns and a gridsplitter inbetween. On the left I have a treeview with several nodes (set in XAML) and on the right a flowdocumentreader.
I have about 10 resourcedictionaries where I keep my documents, one for each node, that I want to display in my flowdocumentreader. I actually have no idea how to bind this! Anybody have an idea how I can do this? My code so far (only one resourcedictionary added)
<Window.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary x:Name="About" Source="About.xaml"/>
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Window.Resources>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="auto"/>
<ColumnDefinition Width="auto"/>
<ColumnDefinition Width="500"/>
</Grid.ColumnDefinitions>
<GridSplitter HorizontalAlignment="Right"
VerticalAlignment="Stretch"
Grid.Column="1" ResizeBehavior="PreviousAndNext" ResizeDirection="Columns"
Width="5" Background="#FFBCBCBC"/>
<TreeView Width="250" Grid.Column="0" FontFamily="Segoe UI" FontSize="16">
<TreeViewItem Header="Help">
<TreeViewItem Header="About the application"></TreeViewItem>
<TreeViewItem Header="Getting started"></TreeViewItem>
<TreeViewItem Header="Images from Flickr"></TreeViewItem>
<TreeViewItem Header="Images from the computer"></TreeViewItem>
<TreeViewItem Header="Images from the browser"></TreeViewItem>
<TreeViewItem Header="Editing">
<TreeViewItem Header="Open and Save"></TreeViewItem>
<TreeViewItem Header="Uploading"></TreeViewItem>
<TreeViewItem Header="Crop"></TreeViewItem>
<TreeViewItem Header="Resize"></TreeViewItem>
<TreeViewItem Header="Filters"></TreeViewItem>
<TreeViewItem Header="Adding text"></TreeViewItem>
<TreeViewItem Header="Remove red eyes"></TreeViewItem>
</TreeViewItem>
</TreeViewItem>
</TreeView>
<FlowDocumentReader Grid.Column="2" >
</FlowDocumentReader>
</Grid>
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您可以使用节点的 Tag 属性来定义要加载的字符串值。
然后对所选节点的标签进行绑定。
如果您随后使用转换器,您可以从 file/res.Dict 或其他内容加载文档内容:
...
You could use the Tag property of the nodes to define a string value to be loaded.
Then do a binding on the selected Node's Tag.
If you then use a converter you can load your document content from file/res.Dict or whatever:
....