- kPDFLPrintProg_PopLastProgress = 0
—- kPDFLPrintProg_PushCompilingDocumentResources = 1
—- kPDFLPrintProg_PushCompilingPageResources = 2
—- kPDFLPrintProg_PushStreamingDocumentFont = 3
—- kPDFLPrintProg_PushStreamingDocumentResource = 4
—- kPDFLPrintProg_PushStreamingPageFont = 5
—- kPDFLPrintProg_PushStreamingPageResource = 6
—- kPDFLPrintProg_PushStreamingPageContent = 7
—- kPDFLPrintProg_PushStreamingPageEpilogue = 8
—- kPDFLPrintProg_PushStreamingDocumentEpilogue = 9
—- kPDFLPrintProg_PushStreamingDocumentProcset = 10
—- kPDFLPrintProg_PushStreamingPageSeparation = 11
—- kPDFLPrintProg_PushStreamingPageImage = 12
—- kPDFLPrintProg_PushStreamingPageImageOPI = 13
—- kPDFLPrintProg_PushStreamingPageCSA = 14
—- kPDFLPrintProg_PushStreamingPageCRD = 15
—- kPDFLPrintProg_PushStreamingPageGradient = 16
—- kPDFLPrintProg_PushOnHostTrapBeginPage = 17
—- kPDFLPrintProg_SetOnHostTrapProgressPercent = 18
—- kPDFLPrintProg_StreamingPageImageProgressPercent = 19
—- kPDFLPrintProg_PushBeginStreamingTraps = 20
—- kPDFLPrintProg_SetStreamingTrapPercent = 21
—