OMget_obj_att and OMset_obj_att
Synopsis
int OMget_obj_att (
OMobj_id object_id,
OMobj_name attribute,
int *state );
int OMset_obj_att (
OMobj_id object_id,
OMobj_name attribute,
int state );
Description
These routines get and set an object's attribute.
Arguments
object_id
The id of an object.
attribute
The name of an attribute. You can specify any of the following variables, which are defined in <avs/om_att.h>:
|
Attribute
|
Meaning
|
|
OM_att_nosave |
Do not save the object. Do not write it in a $print command. |
|
OM_att_req |
Make the object required. The object's associated function object will execute only if the object has a valid value. |
|
OM_att_virtual |
Make the object virtual. |
|
OM_att_read |
Method reads this parameter. |
|
OM_att_noread |
Method does not read this parameter. |
|
OM_att_write |
Method writes this parameter. |
|
OM_att_nowrite |
Method does not write this parameter. |
|
OM_att_notify |
Method notifies this parameter. |
|
OM_att_nonotify |
Method does not notify this parameter. |
state
In OMget_obj_att, an output argument containing the attribute's state.
In OMset_obj_att, an input argument specifying the new state.
The state is one of the following:
|
State
|
Meaning
|
|
1 |
The attribute is set. |
|
0 |
The attribute is not set. |
Returned value
The status code (see Return Status ).
Example
/* Flip object grp1_id's notify state. */
#include <avs/OM_att.h>
OMobj_id grp1_id;
int state;
int status;
...
status = OMget_obj_att(grp1_id, OM_att_notify, &state);
state = !state;
status = OMset_obj_att(grp1_id, OM_att_notify, state);