x:Classattribute is used to associate the markup with the code-behind class.
InitializeComponentis called from the code-behind class's constructor to merge the UI that is defined in markup with the code-behind class. You could notice
MainWindowclass is declared as
partialand there is no
InitializeComponentimplementation visible. That's because
InitializeComponentbody was auto-generated at the partial class counterpart by the Avalonia.NameGenerator package which is included with Avalonia templates by default.
InitializeComponentensure that your implementation is correctly initialised whenever it is created. The code-behind class also implements an event handler for the button's
Clickevent. When the button is clicked, the event handler changes the text of the button by setting a property on the