Fix BindingNotification handling in MultiBinding #16102
Merged
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What does the pull request do?
As described in #16070, the recent binding refactor (#13970) broke support for
IMultiValueConverter
returningBindingNotification
; this was documented but there were no unit tests.This PR updates
UntypedObservableBindingExpression
which is used byMultiBinding
to add support forBindingNotification
s and adds the missing unit test.Fixed issues
Fixes #16070