Teledyne Princeton Instruments PICam 5.x Programmer's Manual page 250

250
7.4.9.5 PicamAdvanced_RegisterForFloatingPointValueChanged()
Description
PicamAdvanced_RegisterForFloatingPointValueChanged()
to call when the floating point value for specified hardware parameter has been set,
even if it is changed as a result of a different parameter's value being changed.
Registered callbacks are called synchronously from within the thread in which
associated parameter values are being set (i.e., called prior to returning from the set
operation.)
Call
PicamAdvanced_UnregisterForFloatingPointValueChanged()
unregister each callback once it is not longer required.
Syntax
The syntax for
Input Parameters
Input parameters for
PicamAdvanced_RegisterForFloatingPointValueChanged()
camera_or_accessory: Handle for the hardware for which the callback is being
Output Parameters
There are no output parameters associated with
PicamAdvanced_RegisterForFloatingPointValueChanged().
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:
Parameters whose values have change due to external
influences (e.g., representing the status of hardware,) do not
result in a callback's being called.
PicamAdvanced_RegisterForFloatingPointValueChanged()
PICAM_API PicamAdvanced_RegisterForFloatingPointValueChanged(
PicamFloatingPointValueChangedCallback changed);
parameter: The parameter for which the callback is being registered.
changed: The name assigned to the callback function being registered.
Picam_SetParameterFloatingPointValue().
PicamAdvanced_UnregisterForFloatingPointValueChanged().
PicamHandle camera_or_accessory,
PicamParameter parameter,
registered.
Issue 11
registers a function
to
is:
are: