Datasource.TargetByteOrder (PROP) ¶ PROPERTY TargetByteOrder : IDatasources.ByteOrder Returns the byteorder used by the system managed by the related |IDatasource| . Note It is not expected that this value changes at runtime.

Datasource.CustomRequestHandling (PROP) ¶ PROPERTY CustomRequestHandling : IDatasources.ICustomRequestHandling

Datasource.EnqueueCustomRequest (METH) ¶ METHOD EnqueueCustomRequest : IDatasources.SysTypes.RTS_IEC_RESULT InOut: Scope Name Type Return EnqueueCustomRequest IDatasources.SysTypes.RTS_IEC_RESULT Input request IDatasources.ICustomRequest finishedCallback IDatasources.ICustomRequestCallback

Datasource.SetCredentialsProvider (METH) ¶ METHOD SetCredentialsProvider : IDatasources.SysTypes.RTS_IEC_RESULT Assigns the given credentials provider object to a specific datasource. InOut: Scope Name Type Comment Return SetCredentialsProvider IDatasources.SysTypes.RTS_IEC_RESULT An error code representing the result of the operation Input provider IDatasources.ICredentialsProvider The object to assign

Datasource.Error (PROP) ¶ PROPERTY Error : UDINT Gets the last error of communication

Datasource.State (PROP) ¶ PROPERTY State : IDatasources.MonitoringState Gets the state of communication

Datasource.SetUpdateRateReduction (METH) ¶ METHOD SetUpdateRateReduction Sets the parameters for update rate reduction InOut: Scope Name Type Comment Input uiFactor UINT Reduction factor tMaxValue TIME The maximum level allowed

Datasource.UpdateRate (PROP) ¶ PROPERTY UpdateRate : TIME Gets the update rate actually set

Datasource.CreateTraceAddressInfoWriter (METH) ¶ METHOD CreateTraceAddressInfoWriter : IDatasources.ITraceAddressInfoWriter Creates an instance of ITraceAddressInfoWriter, that is able to write the address info for a given variable. .. note:: The returned ITraceAddressInfoWriter must be released by calling ReleaseTraceAddressInfoWriter InOut: Scope Name Type Comment Return CreateTraceAddressInfoWriter IDatasources.ITraceAddressInfoWriter An ITraceAddressInfoWriter instance containing the address of the passed symbol. If the underlying IDriver does not support this feature 0 is returned. Input psSymbol POINTER TO STRING The symbol for which the address has to be determined. Output udiResult UDINT Returns an error code ERR_OK: In case of success ERR_NOTINITIALIZED: Method was called, before the datasource was initialized ERR_PARAMETER: psSymbol is invalid ERR_NOTIMPLEMENTED: Required interface is not implemented by the driver ERR_NO_OBJECT: If the data item was not found

Datasource.GetPointerSizeInBytes (METH) ¶ METHOD GetPointerSizeInBytes : BYTE InOut: Scope Name Type Comment Return GetPointerSizeInBytes BYTE The number of bytes a pointer on the remote plc consists of Output udiResult UDINT Returns an error code ERR_OK: In case of success ERR_NOTIMPLEMENTED: Required interface is not implemented by the driver