Screen library referenceGroups (screen.h) Parent topic: Groups (screen.h)

screen_get_group_property_pv()

Retrieve the current value of the specified group property of type void*

Synopsis:

#include <screen/screen.h>
int screen_get_group_property_pv(screen_group_t grp,
                                 int pname,
                                 void **param)

Arguments:

grp
The handle of the group whose property is being queried.
pname
The name of the property whose value is being queried. The properties available for query are of type Screen property types.
param
The buffer where the retrieved value(s) is stored. This buffer must be of type void*.

Library:

libscreen

Description:

Function Type: Flushing Execution

This function stores the current value of group property in a user-provided buffer.

The values of the following properties can be retrieved using this function:

Returns:

0 if successful, or -1 if an error occurred (errno is set; refer to errno.h for more details).

Parent topic: Groups (screen.h)