CLASSPREFIX_ATTR_INTERCHANGE_CHECK
To form the CLASSPREFIX_ of the attribute name, use the prefix of the class driver with which you are working. For example, if you are working with the IviDmm class driver, use the prefix IVIDMM_ to create the correct attribute name, IVIDMM_ATTR_INTERCHANGE_CHECK.
Inherent Attribute
| Data Type | Access | Applies to | Coercion | High Level Functions |
|---|---|---|---|---|
| ViBoolean | R/W | N/A | None | None |
Description
Specifies whether the driver performs interchangeability checking. When this attribute is enabled, the class driver keeps a list of the interchangeability warnings it encounters. You view the interchangeability warnings with NI Spy. Alternatively, you can call ClassPrefix_GetNextInterchangeWarning to extract and delete the oldest record from the list.
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Note If CLASSPREFIX_INTERCHANGE_CHECK is set to VI_TRUE and you are not using NI Spy, the interchange check queue is cleared by calling ClassPrefix_GetNextInterchangeWarning. If you do not clear the queue, the resulting list build-up appears as a memory leak. |
The default value is VI_FALSE. You can override this value by specifying a value in MAX or by initializing the IVI session with the ClassPrefix_InitWithOptions function.