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Maybe this is a dumb question, but I can’t find the answer: in the following xaml what does CommandParameter binding to? Or in general, what does "{Binding}" mean?
<Button Command="{Binding DataContext.DeleteCommand, ElementName=List}"
CommandParameter="{Binding}"/>
{Binding ...}is a MarkupExtension.In its usual form it takes a Path like
{Binding Path=someProperty, ...}(or its short form{Binding someProperty, ...}).So the path in
{Binding}is empty which means the Binding is bound to whatever Source there is for the Binding. This might be a little easier to understand if you know, that{Binding}is actually the same as{Binding DataContext,RelativeSource={RelativeSource Self}}.So in your case CommandParameter gets the value of the current DataContext of the Button.