screen_get_display_property_llv()
Graphics and Screen4.0 (8.x)Screen Graphics Subsystem Developer's GuideAPIProgrammingUtilities
Retrieve the current value of the specified display property of type long
long
integer
Synopsis:
#include <screen/screen.h>
int screen_get_display_property_llv(screen_display_t disp,
int pname,
long long *param)
Arguments:
- disp
- The handle of the device 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
long
long
.
Library:
libscreenDescription:
Function Type: Flushing Execution
This function stores the current value of a display 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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