Screen library referenceDevices (screen.h) Parent topic: Devices (screen.h)

screen_set_device_property_pv()

Updated: October 28, 2024

Set the value of the specified device property of type void*

Synopsis:

#include <screen/screen.h>
int screen_set_device_property_pv(screen_device_t dev,
                                  int pname,
                                  void **param)

Arguments:

dev
The handle of the device whose property is to be set.
pname
The name of the property whose value is being set. The properties that you can set are of type Screen property types.
param
A pointer to a buffer containing the new value(s). This buffer must be of type void*.

Library:

libscreen

Description:

Function Type: Delayed Execution

This function sets the value of a device property from a user-provided buffer.

You can use this function to set the value of the following properties:

Returns:

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

Parent topic: Devices (screen.h)