Cicode Programming Reference > Cicode Function Categories > Statistical Process Control Functions Introduction > SPCSubgroupSizeGet


Gets the subgroup size for the specified SPC tag. The value that is returned is the value that is currently being used by the SPC (trend) server, not necessarily the value specified in the SPC Tag definition.

This function is a blocking function. It will block the calling Cicode task until the operation is complete.

This function can only be called while the SPC tag is being displayed on an SPC page.


SPCSubgroupSizeGet(sSPCTag, SizeVariable [, ClusterName] )


The SPC Tag name as defined in SPC Tags.


The Cicode variable that stores the subgroup size. This variable needs to be defined as a global of type INT. A constant is not allowed.


Specifies the name of the cluster of the SPC tag.

Return Value

0 (zero) if successful, otherwise an error number is returned. The subgroup size is written to SizeVariable.

Related Functions

SPCClientInfo, SPCSubgroupSizeSet


See SPCSubgroupSizeSet.

See Also

SPC Functions