type
as extension for the extension point with name
extension.point.name
. gIoExtensionPointImplement(extension.point.name, type, extension.name, priority)
extension.point.name
type
GType
to register as extensionextension.name
priority
GIOExtension
] a GIOExtension
object for GType
type
has already been registered as an extension for this
extension point, the existing GIOExtension
object is returned.