screen_get_group_property_pv()
Graphics and Screen4.0 (8.x)Screen Graphics Subsystem Developer's GuideAPIProgrammingUtilities
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 is stored. This buffer must be of type
void*
.
Library:
libscreenDescription:
Function Type: Flushing Execution
This function stores the current value of the specified 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).
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