createAppInfo
fun createAppInfo(appName: String? = null): <Error class: unknown class><<Error class: unknown class>?>
Creates a GAppInfo for the specified GtkRecentInfo
In case of error, @error will be set either with a %GTK_RECENT_MANAGER_ERROR or a %G_IO_ERROR
Return
the newly created GAppInfo
Parameters
appName
the name of the application that should be mapped to a GAppInfo; if null is used then the default application for the MIME type is used