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How to bind textblock visibility to dependencyproperty?
I’ve some simple code below that uses a ToggleButton.IsChecked property to set the Visibility of a TextBlock. It works fine. Since this doesn’t quite fit in with my program’s structure, I’m trying to bind the visibility of another TextBlock to a DependencyProperty of “this”. It compiles fine, but it produces no effect.
How to use visibility binding in C #?
Give your Window a name and set the ElementName to that name, instead of using “this”. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.
Where is the visibility property located in C #?
Now you can set Visible or Hidden to your Visibility property as follows: The Visibility enum is located in System.Windows namespace, so your ViewModel has to include using System.Windows;. You can’t bind field. You can only bind public properties or dependency properties.
How to bind a variable to a public property?
Using public property (you have to implement INotifyPropertyChanged interface to have property->binding):
How is a dependency property referenced in XAML?
A dependency property can reference a value through data binding. Data binding works through a specific markup extension syntax in XAML, or the Binding object in code. With data binding, the final property value determination is deferred until run time, at which time the value is obtained from a data source.
How to change behavior of a dependency property?
You can change certain behaviors of a dependency property by overriding the metadata for that property when you derive from the class that originally registers the dependency property. Overriding metadata relies on the DependencyProperty identifier. Overriding metadata does not require reimplementing the property.
Where do I find the dependency property information?
The Dependency Property Information section includes a link to the DependencyProperty identifier field for that dependency property, and also includes a list of the metadata options that are set for that property, per-class override information, and other details.
How to override the dependency property defaultstylekey?
The following example overrides metadata for a dependency property DefaultStyleKey. Overriding this particular dependency property metadata is part of an implementation pattern that creates controls that can use default styles from themes. For more information about overriding or obtaining property metadata, see Dependency Property Metadata.