Mastering PowerBuilder

This service makes a lot of file related Windows SDK calls transparent to you. PFC has a service "pfc_n_cst_filesrv" in "pfcapsrv.pbl" directory. This service has two descendants, one for 16-bit Windows "pfc_n_cst_filesrv16" another for 32-bit Windows "pfc_n_cst_filesrv32". Some of the file services include, creating a directory, deleting a directory recursively, directory listing, file read/write/renaming, finding the current directory, current drive letter, disk space, listing/changing file attributes such as file creation date-time, etc. To use this service, first find out the operating system using the of_GetEnvironment() function and instantiate appropriate descendent depending on the operating system.