This method is specific to version 3, or higher, of the OS/2 operating system.
This instance method is called to verify the update access of the current file system.
#define INCL_WINWORKPLACE #include <os2.h> WPFileSystem *somSelf; /* Pointer to the object on which the method is being invoked. */ ULONG rc; /* DosOpen error return code. */ rc = _wpVerifyUpdateAccess(somSelf);