What is the correct expression to use when filtering only PDF files?
A、UseFile.Extensionthatdoesnotequal(stringcomparison)PDF
B、UseFile.NamecontainsPDF
C、UseFile.Extensioncontains(general)PDF
D、UseFile.Extensionequals(stringcomparison)PDF
发布时间:2025-05-20 20:51:22