Message in Arabic (العربية)
VisualTree of ItemsPanelTemplate must contain a Panel. '<var>X</var>' is not a Panel.
Unlocalized message
VisualTree of ItemsPanelTemplate must contain a Panel. '<var>X</var>' is not a Panel.
Search by GoogleVisualTree of ItemsPanelTemplate must contain a Panel. '<var>X</var>' is not a Panel.
VisualTree of ItemsPanelTemplate must contain a Panel. '<var>X</var>' is not a Panel.
Search by Google