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In WPF, how do I refer to a static resource defined in another XAML file?

In WPF, how do I refer to a static resource defined in another XAML file? This is in the same project.

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c # wpf xaml staticresource
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The other XAML file should be a resource dictionary. You merge it into the current file using the MergedDictionaries property of the current ResourceDictionary. See Combined Resource Dictionaries on MSDN. Their example:

<Page.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="myresourcedictionary.xaml"/> <ResourceDictionary Source="myresourcedictionary2.xaml"/> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Page.Resources>

Then, inside this page object, you can refer to static resources defined in myresourcedictionary.xaml or in myresourcedictionary2.xaml .

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“another XAML file” can mean several different things:

  • App.xaml: resources are automatically included in the resource tree of everything that was open, so you do not need to do anything.
  • Window or .xaml page: access to resources can be obtained by any child of an instance of an object, such as UserControl, which is used in a window.
  • ResourceDictionary: must be explicitly merged into a resource tree somewhere above where it is used. It can be App.xaml, Windowxx.xaml or some element of a lower level. Use ResourceDictionary.MergedDictionaries for this.

There are also many alternative ways to indicate the path, but this is the simplest:

 <Window> <Window.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="Resources/MyResourceDict.xaml" /> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Window.Resources>
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