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7.4.9.7
PicamAdvanced_RegisterForExtrinsicFloatingPointValueChanged()
Description
PicamAdvanced_RegisterForExtrinsicFloatingPointValueChanged()
registers a function to call when the floating point value for specified hardware
parameter has changed due to external influences (e.g., representing the status of
hardware).
Registered callbacks are called asynchronously on another thread.
Syntax
The syntax for
PicamAdvanced_RegisterForExtrinsicFloatingPointValueChanged()
Input Parameters
Input parameters for
PicamAdvanced_RegisterForExtrinsicFloatingPointValueChanged()
device_or_accessory: Handle for the hardware for which the callback is being
Output Parameters
There are no output parameters associated with
PicamAdvanced_RegisterForExtrinsicFloatingPointValueChanged().
Related APIs
For additional information, refer to the following related APIs:
•
PICam™ 5.x Programmer's Manual
NOTE:
Multiple functions may be registered. When this is the case,
the functions are called in the order in which they have
been registered.
NOTE:
PicamAdvanced_UnregisterForExtrinsicFloatingPo
intValueChanged()
callback once it is no longer required.
PICAM_API PicamAdvanced_RegisterForExtrinsicFloatingPointValueChanged(
PicamFloatingPointValueChangedCallback changed);
parameter: The parameter for which the callback is being registered.
changed: The name assigned to the callback function being registered.
PicamAdvanced_UnregisterForExtrinsicFloatingPointValueChanged().
must be called to unregister each
PicamHandle device_or_accessory,
PicamParameter parameter,
registered.
Issue 11
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