rd.&nbsp; This method can be useful when multiple entities (such as a combination of application and library methods) contribute data for a single copy command.&nbsp; It should only be invoked after a&nbsp; <b>declareTypes:num:owner: </b>message has been sent for the same data.&nbsp; The owner for the new types may be different from the owner(s) of the previously declared data.</font>

<p><font face="Times">Returns the pasteboard's change count, or 0 in case of an error.</font>

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