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.
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'<var>X</var>' type must derive from FrameworkElement or FrameworkContentElement.

'<var>X</var>' type must derive from FrameworkElement or FrameworkContentElement.
Search by Google