Adds an object to the PDF document. This operation and only this operation makes the object an indirect object owned by this document.

Creates the indirect object of the specified type, adds it to the document, and returns the object.

Determines whether the specified Object is equal to the current Object.

Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.

Gets the generation number of the specified object.

Gets all indirect objects ordered by their object identifier.

Returns an array containing the specified object as first element follows by its transitive closure. The closure of an object are all objects that can be reached by indirect references. The transitive closure is the result of applying the calculation of the closure to a closure as long as no new objects came along. This is e.g. useful for getting all objects belonging to the resources of a page.

Returns an array containing the specified object as first element follows by its transitive closure limited by the specified number of iterations.

Serves as a hash function for a particular type.

Returns the object with the specified Identifier, or null, if no such object exists.

Gets the object identifier of the specified object.

Gets the object number of the specified object.

Returns the PdfReference of the specified object, or null, if the object is not in the document's object table.

Gets the Type of the current instance.

Maps the specified external object to the substitute object in this document. Returns null if no such object exists.

Creates a shallow copy of the current Object.

Removes an object from the PDF document.

Returns a String that represents the current Object.

Writes a PdfItem into the specified stream.