CGPDFObjectType.null The type for a PDF null. Declarationcase null See AlsoConstantsCGPDFObjectType.booleanCGPDFObjectType.integerCGPDFObjectType.realCGPDFObjectType.nameCGPDFObjectType.stringCGPDFObjectType.arrayCGPDFObjectType.dictionaryCGPDFObjectType.stream