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Chapter 7
7.4.12.2
PicamAdvanced_RegisterForDependentCollectionConstraintChanged()
Description
PicamAdvanced_RegisterForDependentCollectionConstraintChanged()
registers a function to call when any dependent collection constraint has been changed
due to the setting of a DIFFERENT parameter's value.
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_UnregisterForDependentCollectionConstraintChanged()
unregister each callback once it is not longer required.
Syntax
The syntax for
PicamAdvanced_RegisterForDependentCollectionConstraintChanged()
PicamDependentCollectionConstraintChangedCallback changed);
Input Parameters
Input parameters for
PicamAdvanced_RegisterForDependentCollectionConstraintChanged()
camera_or_accessory: Handle for the hardware for which the callback is being
Output Parameters
There are no output parameters associated with
PicamAdvanced_RegisterForDependentCollectionConstraintChanged().
Related APIs
For additional information, refer to the following related APIs:
•
Advanced Function APIs
NOTE:
Multiple functions may be registered. When this is the case,
the functions are called in the order in which they have
been registered.
PICAM_API PicamAdvanced_RegisterForDependentCollection
ConstraintChanged(
parameter: The parameter for which the callback is being registered.
changed: The name assigned to the callback function being registered.
PicamAdvanced_UnregisterForDependentCollectionConstraintChanged().
PicamHandle camera_or_accessory,
PicamParameter parameter,
registered.
271
to
is:
are:
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