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PICam™ 5.x Programmer’s Manual
Issue 11
7.4.7
Shared Camera/Accessory Advanced Information APIs
This section provides programming information about shared camera and accessory
advanced information APIs.
7.4.7.1
PicamAdvanced_GetUserState()
Description
returns user-state information for the specified
hardware. This is especially useful when using callbacks as this can give access to user-
defined state within the callback.
NOTE:
This API is thread safe.
Syntax
is:
PICAM_API PicamAdvanced_GetUserState(
PicamHandle camera_or_accessory,
void** user_state);
Input Parameters
Input parameters for
Output Parameters
Output parameters for
are:
camera_or_accessory:
Handle for the hardware for which user state information is to be
returned.
Valid values are:
•
device
handle;
•
model
handle.
NOTE:
device
and
model
share the same user state.
user_state:
Pointer to the memory location where user-state information is
stored.
Содержание Princeton Instruments PICam 5.x
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