Screen library referenceContexts (screen.h)

Parent topic: Contexts (screen.h)

screen_get_context_property_pv()

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

Synopsis:

#include <screen/screen.h>

int screen_get_context_property_pv(screen_context_t ctx,
                                   int pname,
                                   void **param)

Arguments:

ctx: The handle of the context 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 a context property in a user-provided buffer.

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

Note [1]: When retrieving this property, the function type is Immediate Execution.

Returns:

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

Parent topic: Contexts (screen.h)