lookup_child
Description:
Looks up a child property of the element.
prop_name
can either be in the format "prop-name" or "TypeName:GESTimelineElement:prop-name
", where "prop-name" is
the name of the property to look up (as used in @get), and "TypeName" is the
type name of the child (as returned by G_OBJECT_TYPE_NAME
). The latter format is useful when two children of different types share
the same property name.
The first child found with the given "prop-name" property that was registered with
add_child_property (and of the type
"TypeName", if it was given) will be passed to child
, and the registered specification of this property will be passed to
pspec
.
Parameters:
this | |
prop_name |
The name of a child property |
child |
The return location for the found child |
pspec |
The return location for the specification of the child property |
Returns:
true if a child corresponding to the property was found, in which case |