c++ - How to get the extension of a file in windows -

is there way can extension of given file.

if suppose there file "abc.txt" after renaming file name "abc.exe" extension .exe there way can original extension of file in created.

i looked getfileinformationbyhandle not of help

is there way can original extension of file in created

no, not without operating system add-ons or simple backup of file .