Message in Czech (Čeština)![](/img/flags/cs.png)
Typ <var>X</var> musí být odvozen od prvku FrameworkElement, FrameworkContentElement nebo Visual3D.
Unlocalized message![](/img/flags/en.png)
'<var>X</var>' type must derive from FrameworkElement, FrameworkContentElement, or Visual3D.
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