SysSharedMemoryReadByte (FUN)

FUNCTION SysSharedMemoryReadByte : __UXINT

This function can be used to read “byte-wise” a defined number of bytes, starting at a certain offset. RETURN: Number of bytes read from the shared memory

InOut:

Scope	Name	Type	Comment
Return	SysSharedMemoryReadByte	__UXINT
Input	hShm	RTS_IEC_HANDLE	Handle to the shared memory
	ulOffset	__UXINT	Offset in the shared memory, where reading should start
	pbyData	POINTER TO BYTE	Pointer to buffer to read in data
	ulSize	__UXINT	Number of bytes to read
	pResult	POINTER TO RTS_IEC_RESULT	Pointer to runtime system error code (see CmpErrors.library)