Message in Portuguese (Brazil) (Português (Brasil))
MC3073: o atributo '<var>Attribute</var>' não existe no namespace XML 'http://schemas.microsoft.com/winfx/2006/xaml'.
Unlocalized message
MC3073: The attribute '<var>Attribute</var>' does not exist in XML namespace 'http://schemas.microsoft.com/winfx/2006/xaml'.
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