![]() In this example, the ContentPage object consumes the implicit style defined in the application level resource dictionary. The following XAML example shows how to consume resources, and also define an additional resource in a StackLayout: For more information about markup extensions, see XAML markup extensions. This enables runtime resource changes to be made in an app. ![]() Therefore, if the dictionary entry associated with the key is replaced, the change is applied to the visual element. However, while the StaticResource markup extension performs a single dictionary lookup, the DynamicResource markup extension maintains a link to the dictionary key. The StaticResource markup extension is similar to the DynamicResource markup extension in that both use a dictionary key to reference a value from a resource dictionary. The key is used to reference a resource from the ResourceDictionary with the StaticResource or DynamicResource XAML markup extension. Consume resourcesĮach resource has a key that is specified using the x:Key attribute, which becomes its dictionary key in the ResourceDictionary. However, it's also valid to place all resources between optional ResourceDictionary tags. Inserting resources directly between the Resources property-element tags automatically creates a ResourceDictionary object. In this example, the resource dictionary defines a Thickness resource, multiple Color resources, and two implicit Style resources. The following XAML shows resources defined in an application level ResourceDictionary in the App.xaml file: With the exception of implicit styles, each resource in resource dictionary must have a unique string key that's defined with the x:Key attribute. Resources in a ResourceDictionary defined at the application level can be applied throughout the app.Resources in a ResourceDictionary defined at the page level can be applied to the page and to all its children.Resources in a ResourceDictionary attached to a layout, such as StackLayout or Grid, can be applied to the layout and all the children of that layout.Resources in a ResourceDictionary that is attached to a view, such as Button or Label, can only be applied to that particular object.Choosing where to put a particular ResourceDictionary impacts where the resources can be used: Any of these objects can have its Resources property set to a ResourceDictionary containing resources. NET MAUI app can contain only a single class that derives from Application, but often makes use of many classes that derive from VisualElement, including pages, layouts, and views. Similarly, an Application derived object has a Resources property, which is a ResourceDictionary that can contain resources.Ī. Create resourcesĮvery VisualElement derived object has a Resources property, which is a ResourceDictionary that can contain resources. NET MAUI ResourceDictionary (XAML) item template. In Visual Studio, a XAML-based ResourceDictionary file that's backed by a code-behind file can be added to your project by the.
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