Message in Hebrew (עברית)
'<var>X</var>' type must derive from FrameworkElement or FrameworkContentElement.
Unlocalized message
'<var>X</var>' type must derive from FrameworkElement or FrameworkContentElement.
Search by Google'<var>X</var>' type must derive from FrameworkElement or FrameworkContentElement.
'<var>X</var>' type must derive from FrameworkElement or FrameworkContentElement.
Search by Google