key
.
@param key the unique key of the component as an Object.
@return Object the component instance.
ComponentChooser
's container.
@param chooser ComponentChooser instance, defining and applying thesearch criteria.
@param index Ordinal component index. Indices start at 0.
@return the index
'th component from among those componentsfor which the chooser's checkComponent(Component)
method returns true
. A null
reference is returned if there are fewer than index-1
components meeting the search criteria exist in the component hierarchy rooted in this ComponentChooser
's container.
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