SysDirRead (FUN)

FUNCTION SysDirRead : RTS_IEC_RESULT

Read next directory entry. Writes the entry in pszDirEntry.

InOut:

Scope	Name	Type	Comment
Return	SysDirRead	RTS_IEC_RESULT	Returns the runtime system error code (see CmpErrors.library) ERR_OK: Entry could be read ERR_END_OF_OBJECT: If end of directory list was reached ERR_PARAMETER: If one of the parameters is invalid ERR_BUFFERSIZE: If iMaxDirEntry is too short to get the complete directory entry string Note Typically after error ERR_BUFFERSIZE, the dir-handle is set to the next entry, so this entry will be missed!
Input	hDir	RTS_IEC_HANDLE	Handle to directory opened with SysDirOpen
	szDirEntry	REFERENCE TO STRING	OUT_PARAMETER: Directory entry as string
	diMaxDirEntry	DINT	OUT_PARAMETER: Max number of bytes to write in pszDirEntry
	pDirInfo	POINTER TO DirInfo	OUT_PARAMETER: Directory information NOTE: Can be 0 (so only directory name is provided in pszDirEntry)