Function

GObjectsignal_handler_is_connected

Declaration 

gboolean
g_signal_handler_is_connected (
  GObject* instance,
  gulong handler_id
)

Description

Returns whether handler_id is the ID of a handler connected to instance.

Parameters

instance

Type: GObject

The instance where a signal handler is sought.

The data is owned by the caller of the function.
handler_id

Type: gulong

The handler ID.

Return value

Type: gboolean

Whether handler_id identifies a handler connected to instance.