PDF4Java Reference Documentation
com.o2sol.pdf4java.graphics.optionalcontent Package / PDFOptionalContentProperties Class / getOnOcgs Method
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    getOnOcgs Method
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    Gets the list of visible optional content groups.
    Syntax
    public PDFOptionalContentGroupList getOnOcgs()

    Return Value

    The collection of optional content groups that are invisible when the document is displayed.
    See Also