Method

GLibOptionGroupset_error_hook

since: 2.6

Declaration 

void
g_option_group_set_error_hook (
  GOptionGroup* group,
  GOptionErrorFunc error_func
)

Description

Associates a function with group which will be called from g_option_context_parse() when an error occurs.

Note that the user data to be passed to error_func can be specified when constructing the group with g_option_group_new().

Available since: 2.6

This method is not directly available to language bindings.

Parameters

error_func

Type: GOptionErrorFunc

A function to call when an error occurs.