BACnetStack_RegisterCallbackSetPropertyNull
void BACnetStack_RegisterCallbackSetPropertyNull( bool (*CallbackSetPropertyNull)(const uint32_t deviceInstance, const uint16_t objectType, const uint32_t objectInstance, const uint32_t propertyIdentifier, const bool useArrayIndex, const uint32_t propertyArrayIndex, const uint8_t priority, uint32_t *errorCode));Registers a callback the stack calls to write a Null value to a property in the host application, in response to a WriteProperty(Multiple) request (e.g. relinquishing a commandable priority slot).
See also: CASBACnetStack::FPCallbackSetPropertyNull
Parameters
Section titled “Parameters”| Parameter | Direction | Description |
|---|---|---|
CallbackSetPropertyNull |
in | The function pointer for the CallbackSetPropertyNull function. See CASBACnetStack::FPCallbackSetPropertyNull for more info. |
Callback type
Section titled “Callback type”Topic: Property value callbacks. Declared in CASBACnetStackDLL.h.