screen_set_event_property_pv()

Updated: April 19, 2023

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

Synopsis:

#include <screen/screen.h>
int screen_set_event_property_pv(screen_event_t ev,
                                 int pname,
                                 void **param)

Arguments:

ev
The handle of the event whose property is being set. Ensure that you've set the SCREEN_PROPERTY_TYPE to one of the valid Screen property types prior to calling this function.
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: Immediate Execution

This function sets the value of an event property from a user-provided array. The list of properties that can be set per event type are listed as follows:

Event Type: Any

Returns:

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