Queries the state of the specified protected file handle.
#define INCL_DOSFILEMGR #include <os2.h> HFILE hFile; /* Handle of the file to be queried. */ PULONG pMode; /* Pointer to the ULONG in which the content of the fsOpenMode field defined in a previous DosOpen is returned. */ FHLOCK fhFileHandleLockID; /* The lock id of the protected file handle. */ APIRET ulrc; /* Return Code. */ ulrc = DosProtectQueryFHState(hFile, pMode, fhFileHandleLockID);