Teledyne Princeton Instruments PICam 5.x, Programmer'S Manual

Page: 259 / 357

Chapter 7 Advanced Function APIs 259
7.4.10.4 PicamAdvanced_UnregisterForValueAccessChanged()
Description
PicamAdvanced_UnregisterForValueAccessChanged()
removes the callback
function so that it is no longer called when the value access for a parameter has been
changed.
Syntax
The syntax for
PicamAdvanced_UnregisterForValueAccessChanged()
is:
PICAM_API PicamAdvanced_UnregisterForValueAccessChanged(
PicamHandle camera_or_accessory,
PicamParameter parameter,
PicamValueAccessChangedCallback changed);
Input Parameters
Input parameters for
PicamAdvanced_UnregisterForValueAccessChanged()
are:
Output Parameters
There are no output parameters associated with
PicamAdvanced_UnregisterForValueAccessChanged()
.
Related APIs
For additional information, refer to the following related APIs:
•
PicamAdvanced_RegisterForValueAccessChanged()
.
7.4.10.5 PicamAdvanced_GetParameterDynamics()
Description
PicamAdvanced_GetParameterDynamics()
returns the dynamics for a specified
parameter.
Syntax
The syntax for
PicamAdvanced_GetParameterDynamics()
is:
PICAM_API PicamAdvanced_GetParameterDynamics(
PicamHandle camera_or_accessory,
PicamParameter parameter,
PicamDynamicsMask* dynamics);
Input Parameters
Input parameters for
PicamAdvanced_GetParameterDynamics()
are:
Output Parameters
Output parameters for
PicamAdvanced_GetParameterDynamics()
are:
camera_or_accessory:
Handle for the hardware for which the callback is being
unregistered.
parameter:
The parameter for which the callback is being unregistered.
changed: The name assigned to the callback function being unregistered.
camera_or_accessory: Handle for the hardware for which the dynamics information is
to be returned.
parameter: The parameter for which dynamics information is to be returned.
dynamics:
Pointer to the memory location in which the dynamics
information is stored.