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176
PICam™ 5.x Programmer’s Manual
Issue 11
5.4.5.3
Picam_GetParameterCollectionConstraint()
Description
Picam_GetParameterCollectionConstraint()
returns constraint information for
a specified constraint category and parameter combination.
Syntax
Picam_GetParameterCollectionConstraint()
is:
PICAM_API Picam_GetParameterCollectionConstraint(
PicamHandle camera_or_accessory,
PicamParameter parameter,
PicamConstraintCategory category,
const PicamCollectionConstraint** constraint);
Input Parameters
Input parameters for
Picam_GetParameterCollectionConstraint()
Output Parameters
Output parameters for
Picam_GetParameterCollectionConstraint()
are:
Advanced API Usage
When used in conjunction with Advanced APIs, if
camera_or_accessory
is a camera
handle, it may be a handle to either the:
•
device
, or
•
model
.
Related APIs
For additional information, refer to the following related APIs:
•
Picam_DestroyCollectionConstraints()
.
Related Structures
For additional information, refer to the following parameter structures:
•
;
•
.
camera_or_accessory:
Handle for the hardware for which constraint information is being
returned.
parameter:
Specifies the parameter for which constraint information is being
requested.
category:
Specifies the constraint category for which the list of constraints
is being requested.
constraint:
Pointer to the allocated array in which the list of constraints
available for the specified constraint category and parameter
combination is stored.
NOTE:
This memory is allocated by PICam and must be released
by calling
Picam_DestroyCollectionConstraints()
.
Содержание Princeton Instruments PICam 5.x
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