DatasourcesMgr.BeginDataConfiguration (METH)¶

METHOD BeginDataConfiguration : SysTypes.RTS_IEC_RESULT

This method locks the concurrent task for monitoring items and allows subsequent accesses to the configuration of the active. To unlock again afterwards, call EndDataConfiguration .. important:: Before calling methods like UseData or ReleaseData it is necessary to do this syncronisation to prevent undefined behaviour.

InOut:

Scope	Name	Type	Comment
Return	BeginDataConfiguration	SysTypes.RTS_IEC_RESULT	Returns a runtime system error code (see CmpErrors.library) or one of |Errors|
Input	xBlocking	BOOL	This variable signals the way to do the synchronization. TRUE: the call will be blocking FALSE: the call will be nonblocking and might faile with the error code [Errors.ERR_DS_MULTITASKING_LOCKED|