VI_ATTR_USER_DATA/VI_ATTR_USER_DATA_32/VI_ATTR_USER_DATA_64

Resource Classes

All I/O session types

Attribute Information

Access Privilege	Data Type	Range	Default
Read/Write Local	VI_ATTR_USER_DATA: ViAddr VI_ATTR_USER_DATA_32: ViUInt32 VI_ATTR_USER_DATA_64: ViUInt64	VI_ATTR_USER_DATA: Not specified VI_ATTR_USER_DATA_32: 0h to FFFFFFFFh VI_ATTR_USER_DATA_64: 0h to FFFFFFFFFFFFFFFFh	N/A

Description

VI_ATTR_USER_DATA, VI_ATTR_USER_DATA_32, and VI_ATTR_USER_DATA_64 store data to be used privately by the application for a particular session. VISA does not use this data for any purpose. It is provided to the application for its own use.

VI_ATTR_USER_DATA_64 is not supported with 32-bit applications.

Related Topics

VISA Resource Template