+
+ // Use the same tool tip as the given one (which can be NULL to indicate
+ // that no tooltip should be used) for this window. This is currently only
+ // used by wxCompositeWindow::DoSetToolTip() implementation and is not part
+ // of the public wx API.
+ //
+ // Returns true if tip was valid and we copied it or false if it was NULL
+ // and we reset our own tooltip too.
+ bool CopyToolTip(wxToolTip *tip);