CGPDFDocumentRetain
Increments the retain count of a Core Graphics PDF document.
Declaration
extern CGPDFDocumentRef CGPDFDocumentRetain(CGPDFDocumentRef document);Parameters
- document:
The PDF document to retain.
Return Value
The same document you passed in as the document parameter.
Discussion
This function is equivalent to CFRetain, except that it does not cause an error if the document parameter is NULL.