WPF: A TextBox that has an event that fires when the Enter Key is pressed

Question

Instead of attaching a PreviewKeyUp event with each TextBox in my app and checking if the pressed key was an Enter key and then do an action, I decided

Answer 1

Since this question was asked, there is now an InputBindings property on TextBoxes and other controls. With this, a purely XAML solution can be used, rather than using custom controls. Assigning KeyBindings for Return and Enter to point to a command can do this.

Example:

Some have mentioned that Enter does not always work, and Return may be used on some systems.